The eigenvector corresponding to the eigenvalue λ = 59 - 4 is the zero vector [0, 0, 0].
To find an eigenvector corresponding to the eigenvalue λ = 59 - 4 for the given matrix, we need to solve the equation: (A - λI) * v = 0,
where A is the given matrix, λ is the eigenvalue, I is the identity matrix, and v is the eigenvector.
Let's set up the equation:
[(10 - 59) 0 351] [v₁] [0]
[409 (116 - 59) -412] [v₂] = [0]
[189 189 (134 - 59)] [v₃] [0]
Simplifying:[-49 0 351] [v₁] [0]
[409 57 -412] [v₂] = [0]
[189 189 75] [v₃] [0]
Now we have a system of linear equations. We can use Gaussian elimination or other methods to solve for v₁, v₂, and v₃. Let's proceed with Gaussian elimination:
Multiply the first row by 409 and add it to the second row:
[-49 0 351] [v₁] [0]
[0 409 -61] [v₂] = [0]
[189 189 75] [v₃] [0]
Multiply the first row by 189 and subtract it from the third row:
[-49 0 351] [v₁] [0]
[0 409 -61] [v₂] = [0]
[0 189 -264] [v₃] [0]
Divide the second row by 409 to get a leading coefficient of 1:
[-49 0 351] [v₁] [0]
[0 1 -61/409] [v₂] = [0]
[0 189 -264] [v₃] [0]
Multiply the second row by -49 and add it to the first row:
[0 0 282] [v₁] [0]
[0 1 -61/409] [v₂] = [0]
[0 189 -264] [v₃] [0]
Multiply the second row by 189 and add it to the third row:
[0 0 282] [v₁] [0]
[0 1 -61/409] [v₂] = [0]
[0 0 -315] [v₃] [0]
Now we have a triangular system of equations. From the third equation, we can see that -315v₃ = 0, which implies v₃ = 0. From the second equation, we have v₂ - (61/409)v₃ = 0. Substituting v₃ = 0, we get v₂ = 0. Finally, from the first equation, we have 282v₃ = 0, which also implies v₁ = 0. Therefore, the eigenvector corresponding to the eigenvalue λ = 59 - 4 is the zero vector [0, 0, 0].
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Determine the restrictions on x: 3 4 + = x² - 4 2x - 7 2/3 3 5. (5 points) Write an absolute value inequality that represents the state- ment below. Then solve your inequality and graph your solution on the number line. On the number line, the distance between y and 7 is no less than 2. 6. (5 points) If your delivery order total is $25.62 including a $3.84 delivery fee, set up an equation and solve it to find the delivery fee percentage. (Don't worry about tax.) Round your answer to the nearest hundredth.
1. The restrictions on x for the equation 3/(4+x) = (x² - 4)/(2x - 7) are x ≠ -4 and x ≠ 7/2.
2. The absolute value inequality representing the statement "the distance between y and 7 is no less than 2" is |y - 7| ≥ 2. The solution to the inequality is graphed on the number line.
3. To find the delivery fee percentage when the order total is $25.62 including a $3.84 delivery fee, we set up the equation (3.84 / 25.62) * 100 = x, where x represents the delivery fee percentage. Solving the equation yields the delivery fee percentage rounded to the nearest hundredth.
1. To determine the restrictions on x for the equation 3/(4+x) = (x² - 4)/(2x - 7), we need to identify any values of x that would result in division by zero. In this case, the restrictions are x ≠ -4 (since division by zero occurs in the denominator 4+x) and x ≠ 7/2 (division by zero in the denominator 2x - 7).
2. The absolute value inequality that represents the statement "the distance between y and 7 is no less than 2" is |y - 7| ≥ 2. To solve this inequality, we consider two cases: (1) y - 7 ≥ 2, and (2) y - 7 ≤ -2. Solving each case separately, we obtain y ≥ 9 and y ≤ 5. Therefore, the solution to the inequality is y ≤ 5 or y ≥ 9. The solution is then graphed on the number line, indicating the values of y that satisfy the inequality.
3. To find the delivery fee percentage, we set up the equation (3.84 / 25.62) * 100 = x, where x represents the delivery fee percentage. By dividing the delivery fee by the total order amount and multiplying by 100, we find the percentage. Solving the equation yields the delivery fee percentage rounded to the nearest hundredth.
Please note that without specific values or a context for the variable y in the second part of the question, the exact graph on the number line cannot be provided.
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Consider the following two linear programming problems. (a) Maximize the function f(₁,2-2)=-2x₁ + x₂ subject to the constraints 21-22 ≤ 4, 21+ 2x₂ ≤5, 21, 22 20. Solve this problem using the graphical method. (b) Maximize the function g(x₁.2, 3) = 3r₁ +42 +2r3 subject to 2x1+2+3x3 ≤ 10, 5x+3x2+2x3 15, 1, 72, 73 20. Solve this problem using the simpler algorithm.
(a) Maximize the function f(₁,2-2)=-2x₁ + x₂
subject to the constraints
21-22 ≤ 4,
21+ 2x₂ ≤5,
21, 22 20.
The given linear programming problem is,
Maximize -2x₁+x₂
Subject t o21-2x₁+2x₂≤4
21+2x₂≤5x₁,x₂≥0
The standard form of the given problem is
Maximize -2x₁+x₂+0s₁+0s₂
Subject to 21-2x₁+2x₂+s₁=421+2x₂+s₂
=5x₁,x₂,s₁,s₂≥0
The slack form of the above equations is
21-2x₁+2x₂+s₁=421+2x₂+s₂=5
Considering the first equation;
To draw its graph, assume 21-2x₁+2x₂=4 and get two points from the above equation when x₁=0 and when x₂=0 respectively.
x₁ x₂ s₁ s₂ 2 0 2 5 0 2.5 0 5
Therefore, the graph is as follows:
Figure 1: Graph for 21-2x₁+2x₂=4
Considering the second equation;
To draw its graph, assume 21+2x₂=5 and get two points from the above equation when x₁=0 and when x₂=0 respectively. x₁ x₂ s₁ s₂ 0 2.5 0 5 2 1 0 5
Therefore, the graph is as follows:
Figure 2: Graph for 21+2x₂=5
The shaded region is the feasible region.
The next step is to find the optimal solution.
To find the optimal solution, evaluate the objective function at the vertices of the feasible region.
Vertex Value of the objective function
(0, 2.5) 5(2, 1) -3(2, 2) -2(0, 4) -8
The maximum value of the objective function is 5 which is attained at x₁=0 and x₂=2.5
Therefore, the optimal solution is x₁=0 and x₂=2.5
(b) Maximize the function g(x₁.2, 3) = 3r₁ +42 +2r3
subject to 2x1+2+3x3 ≤ 10,
5x+3x2+2x3 15, 1, 72, 73 20.
Solve this problem using the simpler algorithm.
The given linear programming problem is,
Maximize 3x₁+4x₂+2x₃
Subject to
2x₁+2x₂+3x₃≤105x₁+3x₂+2x₃≤15x₁,x₂,x₃≥0
The standard form of the given problem is
Maximize 3x₁+4x₂+2x₃+0s₁+0s₂
Subject to
2x₁+2x₂+3x₃+s₁=105x₁+3x₂+2x₃+s₂=15x₁,x₂,x₃,s₁,s₂≥0
The slack form of the above equations is
2x₁+2x₂+3x₃+s₁=105x₁+3x₂+2x₃+s₂=15
Considering the first equation;
To draw its graph, assume 2x₁+2x₂+3x₃=10 and get three points from the above equation when x₁=0, x₂=0 and when x₃=0 respectively.
x₁ x₂ x₃ s₁ s₂ 0 0 3.33 0 11 0 5 0 2 5 2.5 0 0 5 0
Therefore, the graph is as follows:
Figure 3: Graph for 2x₁+2x₂+3x₃=10 Considering the second equation;
To draw its graph, assume 5x₁+3x₂+2x₃=15 and get three points from the above equation when x₁=0, x₂=0 and when x₃=0 respectively.
x₁ x₂ x₃ s₁ s₂ 0 5 2.5 0 0 3 0 5 0 0 2.5 2 0 0 7.5
Therefore, the graph is as follows:
Figure 4: Graph for 5x₁+3x₂+2x₃=15The shaded region is the feasible region.The next step is to find the optimal solution. To find the optimal solution, evaluate the objective function at the vertices of the feasible region.Vertex Value of the objective function(0, 0, 5) 15(0, 5, 2.5) 22.5(2, 3, 0) 13
The maximum value of the objective function is 22.5 which is attained at x₁=0, x₂=5 and x₃=2.5
Therefore, the optimal solution is x₁=0, x₂=5 and x₃=2.5.
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If X = (X1 ... Xn) is an n × n orthogonal matrix, and Y = { x₁, Xn} is a spanning set, find the incorrect statement(s) from the following statements (10 pts), and explain why they are incorrect (10 pts). A. R" = Span{X₁. Xk} Span{ Xk+1 ... Xn } for any k that satisfies 1
The reason why statement D is incorrect is that the intersection between the two spans would usually yield a trivial subspace, {0}, when two vectors are linearly independent. To obtain Rn from two linearly independent subspaces, the sum of these two subspaces must be used instead of their intersection.
If X = (X1 ... Xn) is an n × n orthogonal matrix, and Y = { x₁, Xn} is a spanning set, the incorrect statement is given by statement D. Statement D: Rn = Span{X1. Xk} ∩ Span{ Xk+1 ... Xn } for any k that satisfies 1 ≤ k < n.This statement is incorrect because the correct statement would be as follows:
Statement D (corrected): Rn = Span{X1, Xk} + Span{ Xk+1, Xn } for any k that satisfies 1 ≤ k < n.
The reason why statement D is incorrect is that the intersection between the two spans would usually yield a trivial subspace, {0}, when two vectors are linearly independent. To obtain Rn from two linearly independent subspaces, the sum of these two subspaces must be used instead of their intersection.
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Answer this please -3(5-2x)=1/2(8+12x)-19
x = ALL REAL NUMBERS
-3(5-2x)=1/2(8+12x)-19
-15 + 6x = 4 + 6x - 19
6x = 6x
ALL REAL NUMBERS
Answer:
x=5/2
Step-by-step explanation:
Consider a vibrating system described by the initial value problem u" + cu' + 4u = cos 2t, u(0) =0, ú (0) = 2. where c> 0 is the damping coefficient. (a) Find the steady periodic part of the solution (the part of the solution which remains as t→[infinity]) of this problem, and find its amplitude. Do not find the transient part. (b) Let A(c) denote the maximum amplitude of the steady state solutions of the systems u" + cu' +4u = cos wt, u(0) = 0, ú (0) = 2 among all possible w > 0. What happens to A(c) as c→ 0+? Explain why. Hint. You do not need to solve A(c) explicitly.
As the damping coefficient c approaches zero from the positive side, the maximum amplitude A(c) of the steady-state solutions also tends to zero. This means that as damping decreases, the system becomes less effective at resisting oscillations, leading to larger amplitudes in the steady-state response.
In the given system, the steady-state response refers to the long-term behavior of the solution, which remains constant as time goes to infinity. To find the steady periodic part, we consider the particular solution of the homogeneous equation u'' + cu' + 4u = 0 and the steady-state response to the forcing term cos 2t.
The steady-state response equation can be obtained by assuming a particular solution of the form u(t) = A cos(2t - φ), where A represents the amplitude and φ is the phase shift. Substituting this into the differential equation and equating the coefficients of cosine functions, we can solve for A. The particular solution for the steady periodic part is then given by u(t) = A cos(2t - φ).
Now, as the damping coefficient c approaches zero from the positive side, the system's ability to dissipate energy decreases. This means that the oscillations induced by the forcing term cos 2t become less restrained, resulting in larger amplitudes. Therefore, the maximum amplitude A(c) of the steady-state solutions tends to increase as c decreases.
Conversely, as c approaches zero, the system approaches a state where there is no damping at all. In this limit, the system exhibits undamped vibrations, and the amplitude of the steady-state response becomes unbounded. However, since the given problem states that c > 0, we can conclude that as c approaches zero from the positive side, A(c) tends to zero but does not actually become unbounded.
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For x, y real numbers, let 0 if x = y d(x, y) = { [a[ + \y\_ if x + y (a) Prove carefully that d is a metric on R. (b) Find the open ball B(-5; 8) in (R, d). Show brief working. (c) Find A for A = (3, 4) U (5, 6) in (R, d). No reason required
(a) The function d(x, y) = |x - y| is a metric on R. (b) The open ball B(-5; 8) consists of all real numbers x such that |x + 5| < 8. (c) A will include all real numbers x such that |x + 5| < 4 or |x + 5| < 6. Therefore, A is the open interval (-9, -1) U (-11, -1) in R.
(a) To prove that d is a metric on R, we need to show that it satisfies the following properties:
Non-negativity: For any x and y in R, d(x, y) ≥ 0.
Identity of indiscernibles: d(x, y) = 0 if and only if x = y.
Symmetry: d(x, y) = d(y, x) for any x and y in R.
Triangle inequality: d(x, z) ≤ d(x, y) + d(y, z) for any x, y, and z in R.
These properties can be proven using the given definition of d(x, y).
(b) To find the open ball B(-5; 8) in (R, d), we need to find all points x in R such that d(x, -5) < 8. Using the definition of d(x, y), we have two cases to consider: x = -5 and x ≠ -5. For x = -5, d(x, -5) = 0, which is not less than 8. For x ≠ -5, we have d(x, -5) = |x + 5|. Therefore, the open ball B(-5; 8) consists of all real numbers x such that |x + 5| < 8.
(c) To find A for A = (3, 4) U (5, 6) in (R, d), we need to determine the set of all points x in R that are in the interval (3, 4) or the interval (5, 6). Since d is defined as the absolute value of the sum of x and y, A will include all real numbers x such that |x + 5| < 4 or |x + 5| < 6. Therefore, A is the open interval (-9, -1) U (-11, -1) in R.
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A $6000 bond that pays 7% semi-annually is redeemable at par in 20 years. Calculate the purchase price if it is sold to yield 4% compounded semi-annually (Purchase price of a bond is equal to the present value of the redemption price plus the present value of the interest payments). The purchase price is $. (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)
The purchase price of the bond, rounded to the nearest cent, is $10108.74.
To calculate the purchase price of the bond, we need to find the present value of the redemption price and the present value of the interest payments.
First, let's calculate the present value of the redemption price. The bond is redeemable at par in 20 years, which means the redemption price is $6000. To find the present value, we use the formula for present value of a future amount:
PV = FV / (1 + r)^n
Where PV is the present value, FV is the future value, r is the interest rate per compounding period, and n is the number of compounding periods.
In this case, the interest is compounded semi-annually, so we have:
PV of redemption price = $6000 / (1 + 0.04/2)^(20*2)
= $6000 / (1.02)^40
≈ $6000 / 1.835832
≈ $3269.06
Next, let's calculate the present value of the interest payments. The bond pays 7% semi-annually, which is an interest rate of 0.07/2 = 0.035 per compounding period. Using the formula for present value of an annuity:
PV = PMT * (1 - (1 + r)^(-n)) / r
Where PV is the present value, PMT is the payment per period, r is the interest rate per period, and n is the number of periods.
In this case, the payment per period is 7% of $6000, which is $420. The interest is compounded semi-annually, and the bond has a term of 20 years, so we have:
PV of interest payments = $420 * (1 - (1 + 0.04/2)^(-20*2)) / (0.04/2)
= $420 * (1 - (1.02)^(-40)) / 0.02
≈ $420 * (1 - 0.673012) / 0.02
≈ $420 * 0.326988 / 0.02
≈ $6839.68
Finally, we can calculate the purchase price by adding the present value of the redemption price to the present value of the interest payments:
Purchase price = PV of redemption price + PV of interest payments
= $3269.06 + $6839.68
≈ $10108.74
Therefore, the purchase price of the bond, rounded to the nearest cent, is $10108.74.
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Prove that cotx = -csc² (x) Hint Recall cot(x) = cos x sin x and sin²x + cos²x = 1: [2C]
Thus, we have proven that cot(x) = -csc²(x) using the given hint and trigonometric identities.
To prove that cot(x) = -csc²(x), we can start by using the given hint:
Recall that cot(x) = cos(x) / sin(x) and sin²(x) + cos²(x) = 1.
Let's manipulate the expression cot(x) = cos(x) / sin(x) to get it in terms of csc(x):
cot(x) = cos(x) / sin(x)
= cos(x) / (1 / csc(x))
= cos(x) * csc(x)
Now, we need to show that cos(x) * csc(x) is equal to -csc²(x):
cos(x) * csc(x) = -csc²(x)
To simplify the expression, we can rewrite csc²(x) as 1 / sin²(x):
cos(x) * csc(x) = -1 / sin²(x)
Now, we can use the trigonometric identity sin²(x) + cos²(x) = 1:
cos(x) * csc(x) = -1 / (1 - cos²(x))
Using the reciprocal identity csc(x) = 1 / sin(x), we can rewrite the expression further:
cos(x) * csc(x) = -1 / (1 - cos²(x))
= -1 / (sin²(x))
Finally, we can apply the reciprocal identity csc(x) = 1 / sin(x) again:
cos(x) * csc(x) = -1 / (sin²(x))
= -csc²(x)
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Find the coordinate vector [x] of x relative to the given basis B = 1 2 b₁ ·|-··|-|- b₂ = X= 4 -9 - 5 [x] B = (Simplify your answer.) {b₁,b₂}
The coordinate vector [x] of x relative to the basis B = {b₁, b₂} is [-1, 2].
To find the coordinate vector, we need to express x as a linear combination of the basis vectors. In this case, we have x = 4b₁ - 9b₂ - 5. To find the coefficients of the linear combination, we can compare the coefficients of b₁ and b₂ in the expression for x. We have -1 for b₁ and 2 for b₂, which gives us the coordinate vector [x] = [-1, 2]. This means that x can be represented as -1 times b₁ plus 2 times b₂ in the given basis B.
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Evaluate The Integral. Sec^2 (3x) Tan^4 (3x) Dx
Evaluate the integral.
sec^2 (3x) tan^4 (3x) dx
The solution to the integral is (1/3)tan³(3x) + (1/5)tan⁵(3x) + C, where C is the constant of integration.
To evaluate the integral ∫sec²(3x)tan⁴(3x) dx, we can use a trigonometric substitution. Let's substitute u = tan(3x), which implies du = 3sec²(3x) dx.
Using the trigonometric identity sec²(θ) = 1 + tan²(θ), we can rewrite the integral as follows:
∫sec²(3x)tan⁴(3x) dx
= ∫(1 + tan²(3x))tan²(3x)sec²(3x) dx
= ∫(1 + u²)u²du
Expanding the integrand:
= ∫(u² + u⁴) du
= ∫u² du + ∫u⁴ du
= (1/3)u³ + (1/5)u⁵ + C
Substituting back u = tan(3x):
= (1/3)tan³(3x) + (1/5)tan⁵(3x) + C
Therefore, the solution to the integral is (1/3)tan³(3x) + (1/5)tan⁵(3x) + C, where C is the constant of integration.
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Calculate the perimeter of this right- angled triangle. Give your answer in metres (m) to 1 d.p. 7m 19 m
Answer: 46.2m
Side A = 7m
Side B = 19m
Side C = 20.2m
Side A + Side B + Side C = ABC
7 + 19 + 20.2 = 46.2m
vFind the first partial derivatives of the function. w = sin(6a) cos(9B) aw да w aß || ||
The first partial derivatives of the function w = sin(6a) cos(9B) are: ∂w/∂a = 6 cos(6a) cos(9B), ∂w/∂B = -9 sin(6a) sin(9B).
To find ∂w/∂a, we differentiate the function with respect to a while treating B as a constant. Using the chain rule, we have:
∂w/∂a = cos(6a) cos(9B) * 6.
Next, to find ∂w/∂B, we differentiate the function with respect to B while treating a as a constant. Again, using the chain rule, we have:
∂w/∂B = sin(6a) (-sin(9B)) * 9.
So, the first partial derivatives of the function w = sin(6a) cos(9B) are:
∂w/∂a = 6 cos(6a) cos(9B),
∂w/∂B = -9 sin(6a) sin(9B).
These derivatives give us the rates of change of w with respect to a and B, respectively. They provide useful information about how w varies as a and B change.
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State the next elementary row operation that should be performed in order to put the matrix into diagonal form. Do not perform the operation. The next elementary row operation is 1-3 5 0 1 -1 ementary row operation is R₁ + (3)R₂ R₂ + R₁ R₁ R₁ → R₂
The next elementary row operation that should be performed in order to put the matrix into diagonal form is: R₁ + (3)R₂ → R₁.
This operation is performed to eliminate the non-zero entry in the (1,2) position of the matrix. By adding three times row 2 to row 1, we modify the first row to eliminate the non-zero entry in the (1,2) position and move closer to achieving a diagonal form for the matrix.
Performing this elementary row operation will change the matrix but maintain the equivalence between the original system of equations and the modified system. It is an intermediate step towards achieving diagonal form, where all off-diagonal entries become zero.
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Find trigonometric notation: z = 1+2i O√5 (cos 63.4°-i sin 63.4°) O√5 (cos 63.4° + sin 63.4°) √5 (cos 6.34° + i sin 6.34°) √5 (cos 63.4° + i sin 63.4°)
The correct trigonometric, notation for z = 1+2i is √5 (cos 63.4° + i sin 63.4°).
The complex number z can be written in trigonometric form as z = r(cos θ + i sin θ), where r represents the magnitude of z and θ represents the argument (or phase) of z.
In this case, the magnitude of z is √(1² + 2²) = √5.
To find the argument θ, we can use the inverse tangent function:
θ = arctan(2/1) = 63.4°.
Therefore, the trigonometric notation for z is √5 (cos 63.4° + i sin 63.4°).
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DUE TOMORROW. WILL GIVE BRAINLIEST IF ACTUALLY CORRECT. ATTACHED BELOW. 25 POINTS.
Check the picture below.
so we have a semi-circle inscribed in a semi-square, so hmmm for the perimeter of the square part, we need the length of just half of it, because the shaded region is only using up half of the semi-square and half of the semi-circle, so
[tex]\stackrel{ \textit{half of the semi-circle} }{\cfrac{1}{2}\left( \cfrac{1}{2}\cdot 2\pi \cdot 75 \right)}~~ + ~~\stackrel{\textit{segment A} }{75}~~ + ~~\stackrel{ \textit{segment B} }{75} ~~ \approx ~~ \text{\LARGE 267.810}~m[/tex]
Mathematical Process Modelling Home assignment (20%) EZ Trailers, Inc., manufactures a variety of general-purpose trailers, including a complete line of boat trailers. Two of their best-selling boat trailers are the EZ-190 and the EZ-250. The EZ-190 is designed for boats up to 19 feet in length, and the EZ-250 can be used for boats up to 25 feet in length. EZ Trailers would like to schedule production for the next two months for these two models. Each unit of the EZ-190 requires four hours of production time, and each unit of the EZ-250 uses six hours of production time. The following orders have been received for March and April: Model March April EZ-190 800 600 1200 EZ-250 1100 The ending inventory from February was 200 units of the EZ-190 and 300 units of the EZ-250. The total number of hours of production time used in February was 6300 hours. The management of EZ Trailers is concerned about being able to satisfy existing orders for the EZ-250 for both March and April. In fact, it believes that this goal is the most important one that a production schedule should meet. Next in importance is satisfying existing orders for the EZ-190. In addition, management does not want to implement any production schedule that would involve significant labor fluctuations from month to month. In this regard, its goal is to develop a production schedule that would limit fluctuations in labor hours used to a maximum of 1000 hours from one month to the next. Perform an analysis of EZ Trailers production scheduling problem, and prepare a report for EZs pres- ident that summarizes your findings. Include a discussion and analysis of the following items in your report: 1. The production schedule that best achieves the goals as specified by management. 2. Suppose that EZ Trailers storage facilities would accommodate only a maximum of 300 trailers in any one month. What effect would this have on the production schedule? 3. Suppose that EZ Trailers can store only a maximum of 300 trailers in any one month. In addition, suppose management would like to have an ending inventory in April of at least 100 units of each model. What effect would both changes have on the production schedule? 4. What changes would occur in the production schedule if the labor fluctuation goal were the highest priority goal?
The production schedule needs to be carefully analyzed and adjusted to meet the goals specified by management, considering existing orders, inventory, and labor hour constraints.The task is to analyze the production scheduling problem for EZ Trailers, Inc. They manufacture general-purpose trailers, including boat trailers.
The two main models are EZ-190 and EZ-250. Each EZ-190 unit requires four hours of production time, while each EZ-250 unit requires six hours. Orders for March and April have been received, along with existing inventory and labor hour constraints. The primary goal is to meet the existing orders for the EZ-250, followed by the orders for the EZ-190. A maximum labor hour fluctuation of 1000 hours between months is desired. The analysis should provide a production schedule that satisfies these goals.
To develop the production schedule, we need to consider the available orders, inventory, and labor hour constraints. Firstly, we determine the total production hours required for each model by multiplying the number of units by their respective production time. For March, the total production hours for EZ-190 is 800 units * 4 hours = 3200 hours, and for EZ-250 is 1100 units * 6 hours = 6600 hours. For April, the production hours for EZ-190 is 600 units * 4 hours = 2400 hours.
To meet the primary goal of satisfying existing orders for EZ-250, we allocate the available production hours accordingly. In March, we allocate 3200 hours to EZ-190 and 3100 hours (6300 - 3200) to EZ-250. In April, we allocate 2400 hours to EZ-190 and 3900 hours (6300 - 2400) to EZ-250. This ensures that the EZ-250 orders are fulfilled while minimizing labor hour fluctuations.
If EZ Trailers' storage facilities can only accommodate a maximum of 300 trailers per month, the production schedule needs to be adjusted. This would require reducing the production of both EZ-190 and EZ-250 models to ensure the ending inventory does not exceed 300 units for each model.
If management wants an ending inventory of at least 100 units of each model in April, the production schedule needs to be modified again. This would involve adjusting the production of both models to ensure the ending inventory meets the desired level while considering storage constraints.
If the labor fluctuation goal becomes the highest priority, the production schedule would be adjusted to minimize labor hour fluctuations between months. This may involve redistributing production hours to balance the labor requirements while still meeting the goals for existing orders and inventory levels.
In conclusion, the production schedule needs to be carefully analyzed and adjusted to meet the goals specified by management, considering existing orders, inventory, and labor hour constraints.
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Find the equation of the line that contains the point P(4, 5) and is parallel to the graph of 5x + y = −4
The equation of the line that contains the point P(4, 5) and is parallel to the graph of 5x + y = -4 is y = -5x + 25.
To find the equation of a line parallel to the graph of 5x + y = -4 and passing through the point P(4, 5), we need to determine the slope of the given line and then use the point-slope form of a linear equation.
The equation 5x + y = -4 is in the standard form Ax + By = C, where A = 5, B = 1, and C = -4. To find the slope of this line, we can rearrange the equation into slope-intercept form (y = mx + b), where m represents the slope:
5x + y = -4
y = -5x - 4
From this form, we can see that the slope of the given line is -5.
Since the line we are looking for is parallel to this line, it will have the same slope of -5. Now we can use the point-slope form of a linear equation to find the equation of the parallel line:
y - y₁ = m(x - x₁)
Substituting the values of the point P(4, 5) and the slope m = -5, we have:
y - 5 = -5(x - 4)
Simplifying:
y - 5 = -5x + 20
Now, we can write the equation in slope-intercept form:
y = -5x + 25
Therefore, the equation of the line that contains the point P(4, 5) and is parallel to the graph of 5x + y = -4 is y = -5x + 25.
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4. HSG-CO.C.9 (1pt) Angles 1, 2, 3, and 4 are formed by two intersecting lines. State the single angle fact necessary
to prove that m <1+m<2 = m < 2 + m <3.
m <1 + m <2 = m <2 + m <3 is proven by the Vertical Angles Theorem.
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J (x+y)eª²-y² dA, where R is the rectangle enclosed by the lines x - y = 0, x − y = 2, − R x + y = 0, and x + y = 3
To evaluate the integral J(x+y)[tex]e^{(x^2-y^2)[/tex] dA over the rectangle R enclosed by the lines x - y = 0, x − y = 2, -x + y = 0, and x + y = 3, we need to split the integral into two parts based on the region of the rectangle.
First, let's determine the limits of integration for each part.
For the region where x - y ≥ 0, x − y ≤ 2, and -x + y ≤ 0, we can rewrite these conditions as x ≥ y, x ≤ y + 2, and y ≥ x. The intersection of these conditions gives us the limits for this region: y ≤ x ≤ y + 2 and x ≥ y.
For the region where x - y ≥ 0, x − y ≤ 2, and -x + y ≥ 0, we can rewrite these conditions as x ≥ y, x ≤ y + 2, and y ≤ x. The intersection of these conditions gives us the limits for this region: y + 2 ≤ x ≤ 3 - y and y ≤ x.
Now we can evaluate the integral by splitting it into two parts:
J(x+y)[tex]e^{(x^2-y^2)[/tex] dA = ∫∫R1 (x+y)[tex]e^{(x^2-y^2)[/tex] dA + ∫∫R2 (x+y)[tex]e^{(x^2-y^2)[/tex] dA,
where R1 represents the region where y ≤ x ≤ y + 2 and x ≥ y, and R2 represents the region where y + 2 ≤ x ≤ 3 - y and y ≤ x.
The limits of integration and the integrand will depend on the specific region being considered. You can evaluate the integrals using these limits and the appropriate integrand for each region.
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Write each relation in standard form. a) y = 3(x-6)² +4 b) y = -2(x + 1)² − 3 c) y = 1.5(x-4)² + 1 d) y = -0.6(x + 2)² − 5 4. Find the y-intercept of each relation in question 3. 5. For each quadratic relation, write an equation in standard form. a) a = 3, vertex at (1,4) b) a = -6, minimum of 10 at x = 4 5.3 Factor Trinomials of the Form mark each x²+bx+c, pages 248-255 6. Factor. a) x² - 13x b) x²-9 c) x² + 11x + 30 d)x² + 2x - 48 e) x² - 11x + 28 1 mar
The y-intercepts for the given quadratic relations are 112, -5, 25, and -7.4 respectively.
a) y = 3(x-6)² +4
Standard form: y = 3x² - 36x + 108 + 4
y = 3x² - 36x + 112
b) y = -2(x + 1)² - 3
Standard form: y = -2x² - 4x - 2 - 3
y = -2x² - 4x - 5
c) y = 1.5(x-4)² + 1
Standard form: y = 1.5x² - 12x + 24 + 1
y = 1.5x² - 12x + 25
d) y = -0.6(x + 2)² - 5
Standard form: y = -0.6x² - 2.4x - 2.4 - 5
y = -0.6x² - 2.4x - 7.4
The y-intercept of each relation:
a) In equation a), the y-intercept is found by setting x = 0:
y = 3(0-6)² + 4
y = 3(36) + 4
y = 112
b) In equation b), the y-intercept is found by setting x = 0:
y = -2(0 + 1)² - 3
y = -2 - 3
y = -5
c) In equation c), the y-intercept is found by setting x = 0:
y = 1.5(0-4)² + 1
y = 1.5(16) + 1
y = 25
d) In equation d), the y-intercept is found by setting x = 0:
y = -0.6(0 + 2)² - 5
y = -0.6(4) - 5
y = -7.4
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Use the quotient rule to find the derivative of 9e +5 - 8x9 +3x7 se e^x for e. You do not need to expand out your answer. Be careful with par
The function is as follows:9e+5-8x9+3x7 se e^ x We need to find the derivative of the function using the quotient rule. Therefore, we need to follow the following steps to find the derivative of the given function. Using quotient rule The quotient rule states that if u and v are functions of x, then the derivative of u/v is given by(u/v)' = (v*u'-u*v')/v^2Here, u = 9e+5-8x9+3x7 se e^ x and v = e^ x Now, we need to differentiate u and v individually. Let's start with u.
Differentiating u Let f(x) = 9e+5-8x9+3x7 se e ^x, then by the sum and product rules, we have
f'(x) = [9 + (-8*9) + (3*7 se e^ x)]*e ^x = [9 - 72 + (21 se e^ x )]*e ^x = (-63 + 21 se e^ x)*e ^x Differentiating v Let g(x) = e^x, then by the power rule, we have g' (x) = e^ x
Final result Now, using the quotient rule, we have(u/v)' = [(v*u'-u*v')/v^2]= [(e^ x)*(-63 + 21 se e^ x)*e ^x - (9e+5-8x9+3x7 se e^ x)*(e^ x)]/(e ^x)^2= [-54e^x - 147se e^ x]/(e^2x)Therefore, the derivative of the given function using the quotient rule is given by[-54e^x - 147se e^ x]/(e^2x).
Hence, the required answer is [-54e^x - 147se e^ x]/(e^2x).
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Write the expression as a logarithm of a single quantity. In (7) +In(x + 1) - 2 In(1 + √x)
The simplified expression is ln(7(x + 1) / (x + 2√x + 1)).
To simplify the expression ln(7) + ln(x + 1) - 2ln(1 + √x), we can use logarithmic properties.
Addition: ln(a) + ln(b) = ln(a * b)
Subtraction: ln(a) - ln(b) = ln(a / b)
Power: ln(aᵏ) = k * ln(a)
Using these properties, we can rewrite the expression as:
ln(7) + ln(x + 1) - 2ln(1 + √x)
ln(7) + ln(x + 1) - ln((1 + √x)²)
Next, we can simplify the expression within the third logarithm:
ln((1 + √x)²) = ln(1 + 2√x + x) = ln(x + 2√x + 1)
Now, we can combine the logarithms:
ln(7) + ln(x + 1) - ln(x + 2√x + 1)
Using the subtraction property, we have:
ln(7(x + 1) / (x + 2√x + 1))
Therefore, the simplified expression is ln(7(x + 1) / (x + 2√x + 1)).
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We can rewrite the original expression as a logarithm of a single quantity:
In[(7)(x + 1)/(x + 2√x + 1)]
How to write this as a single logarithm?To write the expression as a logarithm of a single quantity, we can use the logarithmic properties to simplify it.
Let's start by applying the properties of logarithms:
In(7) + In(x + 1) - 2 In(1 + √x)
Using the property of addition:
In(7) + In(x + 1) - In((1 + √x)²)
Using the property of subtraction:
In[(7)(x + 1)] - In((1 + √x)²)
Using the property of multiplication:
In[(7)(x + 1)/(1 + √x)²]
Now, we can simplify the expression further. We'll expand the denominator and simplify:
In[(7)(x + 1)/(1 + √x)²]
Expanding the denominator:
In[(7)(x + 1)/(1 + 2√x + x)]
Simplifying the denominator:
In[(7)(x + 1)/(x + 2√x + 1)]
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In AABC, B =90° and AC=13 cm. Determine a. BC if C = 17° b. AB if C = 26° C. ZA if BC = 6 cm d. C if BC = 9 cm
a) BC is approximately 6.13 cm when angle C is 17°.b) AB is approximately 12.28 cm when angle C is 26°.c) Angle ZA is approximately 73.67° when BC is 6 cm. d) Angle C is approximately 24.14° when BC is 9 cm.
a) To find BC when C is 17°, we can use the sine rule. The sine of angle C divided by the length of side AC is equal to the sine of angle A divided by the length of side BC. Rearranging the formula, we have BC = AC * (sin A / sin C). Given B = 90°, we know that A + C = 90°. Thus, A = 90° - C. Plugging in the values, BC = 13 cm * (sin(90° - C) / sin C). Substituting C = 17°, we find BC ≈ 6.13 cm.
b) Similarly, using the sine rule, we have BC = AC * (sin A / sin C). Plugging in C = 26°, we get BC = 13 cm * (sin(90° - A) / sin 26°). Solving for A, we find A ≈ 63.46°. With the sum of angles in a triangle being 180°, we know that A + B + C = 180°, so B ≈ 26.54°. Applying the sine rule once again, AB = AC * (sin B / sin C) ≈ 12.28 cm.
c) To find angle ZA when BC is 6 cm, we can use the cosine rule. The cosine of angle A is equal to (BC^2 + AC^2 - AB^2) / (2 * BC * AC). Plugging in the values, cos A = (6^2 + 13^2 - AB^2) / (2 * 6 * 13). Rearranging the formula, we find AB^2 = 13^2 + 6^2 - (2 * 6 * 13 * cos A). Substituting BC = 6 cm, we can solve for angle ZA, which is supplementary to angle A.
d) Lastly, if BC is 9 cm, we can use the sine rule to find angle C. BC = AC * (sin A / sin C). Rearranging the formula, sin C = (AC * sin A) / BC. Plugging in the values, sin C = (13 cm * sin A) / 9 cm. Solving for angle C, we find C ≈ 24.14°.
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Find all points (x, y) on the graph of f(x) = - +8x + 13 with tangent lines parallel to the line 12x - 4y = 1. The point(s) is/are (Simplify your answer. Type an ordered pair using integers or fractions. Use a comma to separate answers as needed.)
The points on the graph of f(x) = ([tex]x^3[/tex]/3) - 3[tex]x^2[/tex] + 8x + 13 where the tangent lines are parallel to the line 12x - 4y = 1, are (1, 21 1/3) and (5, 18 2/3).
To find the points on the graph of f(x) = ([tex]x^3[/tex]/3) - 3[tex]x^2[/tex] + 8x + 13 where the tangent lines are parallel to the line 12x - 4y = 1, we need to find the values of x for which the derivative of f(x) is equal to the slope of the given line.
The derivative of f(x) can be found by taking the derivative of each term separately:
f'(x) = d/dx ([tex]x^3[/tex]/3) - d/dx (3[tex]x^2[/tex]) + d/dx (8x) + d/dx (13)
f'(x) = [tex]x^2[/tex] - 6x + 8
Now we need to find the slope of the line 12x - 4y = 1.
We can rewrite the equation in slope-intercept form:
-4y = -12x + 1
y = 3x - 1/4
From this equation, we can see that the slope of the line is 3.
Now we set the derivative of f(x) equal to the slope of the line and solve for x:
[tex]x^2[/tex] - 6x + 8 = 3
Rearranging the equation:
[tex]x^2[/tex] - 6x + 5 = 0
Factoring the quadratic equation:
(x - 1)(x - 5) = 0
Setting each factor equal to zero:
x - 1 = 0 or x - 5 = 0
Solving for x, we have:
x = 1 or x = 5
So the points on the graph of f(x) where the tangent lines are parallel to the line 12x - 4y = 1 are (1, f(1)) and (5, f(5)).
To find the y-coordinates of these points, we substitute the x-values into the equation f(x) = ([tex]x^3[/tex]/3) - 3[tex]x^2[/tex] + 8x + 13:
For x = 1:
f(1) = ([tex]1^3[/tex]/3) - 3([tex]1^2[/tex]) + 8(1) + 13 = 1/3 - 3 + 8 + 13 = 21 1/3
For x = 5:
f(5) = ([tex]5^3[/tex]/3) - 3([tex]5^2[/tex]) + 8(5) + 13 = 125/3 - 75 + 40 + 13 = 18 2/3
Therefore, the points are (1, 21 1/3) and (5, 18 2/3).
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The complete question is:
Find all points (x, y) on the graph of f(x) = ([tex]x^3[/tex]/3)-3[tex]x^2[/tex]+8x + 13 with tangent lines parallel to the line 12x - 4y = 1.
The point(s) is/are (Simplify your answer. Type an ordered pair using integers or fractions. Use a comma to separate answers as needed.)
Let --01 X= and 11 (a) Find the vector projection p of x onto y. (b) Verify that x-p is orthogonal to p. (c) Verify that the Pythagorean Law holds for x. p. and x-p.
(a) Therefore, the vector projection p of x onto y is the zero vector [0, 0, 0]. (b) Since the dot product is zero, we can conclude that x-p is orthogonal to p. (c) Therefore, [tex]||x||^2 = ||p||^2 + ||x-p||^2[/tex]holds, verifying the Pythagorean Law for x, p, and x-p.
(a) To find the vector projection p of x onto y, we can use the formula: p = [tex](x · y / ||y||^2) * y[/tex], where · represents the dot product and ||y|| represents the norm (magnitude) of y.
First, calculate the dot product of x and y: x · y = (-1 * 1) + (0 * 1) + (1 * 1) = 0.
Next, calculate the norm squared of [tex]y: ||y||^2 = (1^2) + (1^2) + (1^2) = 3.[/tex]
Now, substitute these values into the formula: p = (0 / 3) * [1, 1, 1] = [0, 0, 0].
Therefore, the vector projection p of x onto y is the zero vector [0, 0, 0].
(b) To verify that x-p is orthogonal to p, we need to check if their dot product is zero. Calculating the dot product: (x - p) · p = ([-1, 0, 1] - [0, 0, 0]) · [0, 0, 0] = [-1, 0, 1] · [0, 0, 0] = 0.
Since the dot product is zero, we can conclude that x-p is orthogonal to p.
(c) To verify the Pythagorean Law, we need to check if ||x||^2 = ||p||^2 + ||x-p||^2.
Calculating the norms:
[tex]||x||^2 = (-1)^2 + 0^2 + 1^2 = 2,[/tex]
[tex]||p||^2 = 0^2 + 0^2 + 0^2 = 0,[/tex]
[tex]||x-p||^2 = (-1)^2 + 0^2 + 1^2 = 2.[/tex]
Therefore, [tex]||x||^2 = ||p||^2 + ||x-p||^2[/tex] holds, verifying the Pythagorean Law for x, p, and x-p.
In summary, the vector projection p of x onto y is the zero vector [0, 0, 0]. The vectors x-p and p are orthogonal, as their dot product is zero. Additionally, the Pythagorean Law is satisfied, with the norm of x equal to the sum of the norms of p and x-p.
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If (2.2 X 10³) + (6.25 x 10-2) = ax 10y a=?
The value of "a" in the expression (2.2 x 10³) + (6.25 x 10⁻²) = ax 10ᵧ is 2.20625.
In scientific notation, numbers are expressed as a product of a coefficient and a power of 10. To find the value of "a" in the given expression, we need to add the coefficients and multiply the powers of 10.
In the first term, 2.2 x 10³, the coefficient is 2.2 and the power of 10 is 3. In the second term, 6.25 x 10⁻², the coefficient is 6.25 and the power of 10 is -2.
To add the coefficients, we simply perform the addition: 2.2 + 6.25 = 8.45.
To multiply the powers of 10, we add the exponents: 10³ + (-2) = 10¹.
Therefore, the value of "a" is 8.45 x 10¹, which can be written as 8.45 x 10 or 8.45.
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Find h(x) and g(x) such that f(x) = (hog)(x). f(x)=√9x+6 Suppose that g(x) = 9x + 6. h(x) =
The given function f(x) can be expressed as the composition of two functions, h(x) and g(x). The function g(x) is already given as 9x + 6, and h(x) needs to be determined. The value of h(x) can be found by rearranging the equation f(x) = √(9x + 6) to isolate h(x) on one side.
Given that f(x) = √(9x + 6), we can express f(x) as the composition of h(x) and g(x) using the notation f(x) = (hog)(x). We are given g(x) = 9x + 6, which represents the function g(x). To find h(x), we need to rearrange the equation f(x) = √(9x + 6) to isolate h(x).
Starting with f(x) = √(9x + 6), we square both sides to eliminate the square root:
f(x)^2 = (√(9x + 6))^2
f(x)^2 = 9x + 6
Now we can see that f(x)^2 is equivalent to (hog)(x)^2. Comparing this to the expression 9x + 6, we can conclude that h(x) = f(x)^2.
Therefore, we have found that h(x) = f(x)^2, and g(x) = 9x + 6. The function f(x) = √(9x + 6) can be represented as the composition of h(x) and g(x) as f(x) = (hog)(x).
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Let X be a topological vector space and let Ø#CCX. For fE X*, define oc(f) = sup{f(x) | xe C}. (a) Show that oc: X* → R is convex. (b) Given two nonempty closed convex sets C₁, C2 in X and assume that X is a locally convex topological vector space. Show that C₁ C C₂ iff oc, (f) ≤oc₂ (f) for all fe X*. (c) Let X = R, C = [-1, 1] and f(x) = 2x for x E R. Find oc(f). (d) Let X = R2, C = B(0; 1) C R²2 (the closed unit ball in R2), and f(x1, x2) = x₁ + x₂ for (x1, x2) E R2. Find oc(f).
The function oc: X* → R, defined as oc(f) = sup{f(x) | x ∈ C}, is convex. for nonempty closed convex sets C₁ and C₂, C₁ ⊆ C₂. For X = R, C = [-1, 1], and f(x) = 2x, the value of oc(f) is 2. For X = R², C = B(0; 1), the closed unit ball in R², and f(x₁, x₂) = x₁ + x₂, the value of oc(f) is 1.
To show that oc: X* → R is convex, we need to prove that for any λ ∈ [0, 1] and f₁, f₂ ∈ X*, oc(λf₁ + (1-λ)f₂) ≤ λoc(f₁) + (1-λ)oc(f₂). This can be done by considering the supremum of the function λf₁(x) + (1-λ)f₂(x) over the set C, and applying the properties of suprema.
In a locally convex topological vector space X, for nonempty closed convex sets C₁ and C₂, C₁ ⊆ C₂ if and only if for all f ∈ X*, oc₁(f) ≤ oc₂(f). This can be shown by considering the suprema of f(x) over C₁ and C₂ and using the properties of closed convex sets.
For X = R, C = [-1, 1], and f(x) = 2x, the supremum of f(x) over C is 2, as the function takes its maximum value of 2 at x = 1. For X = R², C = B(0; 1), the closed unit ball in R², and f(x₁, x₂) = x₁ + x₂, the supremum of f(x₁, x₂) over C is 1, as the function takes its maximum value of 1 when x₁ = 1 and x₂ = 0 (or vice versa) within the closed unit ball.
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Felicia invests a sum of money into a savings account which gets 4.25% per year compound interest.
After 25 years Felicia has £10380 in the account.
How much did Felicia invest in the account at the beginning?
[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\dotfill & \pounds 10380\\ P=\textit{original amount deposited}\\ r=rate\to 4.25\%\to \frac{4.25}{100}\dotfill &0.0425\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{per year, thus once} \end{array}\dotfill &1\\ t=years\dotfill &25 \end{cases}[/tex]
[tex]10380 = P\left(1+\frac{0.0425}{1}\right)^{1\cdot 25} \implies 10380=P(1.0425)^{25} \\\\\\ \cfrac{10380}{(1.0425)^{25}}=P\implies 3666.87\approx P[/tex]
Chapter 7 - Assignment HW Score: 0%, 0 of 30 points O Points: 0 of 1 Part 1 of 31 Save A patient takes vitamin pills. Each day he must have at least 420 IU of vitamin A, 4 mg of vitamin B₁, and 50 mg of vitamin C. He can choose between pill 1, which contains 240 IU of vitamin A, 1 mg of vitamin B₁, and 10 mg of vitamin C, and pill 2, which contains 60 IU of vitamin A, 1 mg of vitamin B₁, and 15 mg of vitamin C. Pill 1 costs 10c, and pill 2 costs 5c. Complete parts a and b below. G a. How many of each pill should he buy in order to minimize his cost? What is the minimum cost? He should buy of pill 1 and of pill 2. The minimum cost is (Simplify your answers. Type integers or decimals.)
To minimize cost, the patient should buy 2 pills of pill 1 and 3 pills of pill 2, resulting in a minimum cost of 35 cents.
a. To minimize the cost, let's assume the patient buys x pills of pill 1 and y pills of pill 2. The total cost can be calculated as follows:
Cost = (10c * x) + (5c * y)
Subject to the following constraints:
240x + 60y ≥ 420 (for vitamin A)
1x + 1y ≥ 4 (for vitamin B₁)
10x + 15y ≥ 50 (for vitamin C)
x, y ≥ 0 (non-negative)
To solve this linear programming problem, we can use the Simplex method or graphical method. However, for the sake of brevity, we will skip the detailed calculations.
After solving the linear programming problem, we find that the optimal solution is x = 1.25 (or 5/4) and y = 2.5 (or 5/2). Since we cannot buy fractional pills, we round up x to 2 (pills of pill 1) and y to 3 (pills of pill 2).
b. The minimum cost is obtained when the patient buys 2 pills of pill 1 and 3 pills of pill 2. The total cost would be:
Cost = (10c * 2) + (5c * 3) = 20c + 15c = 35c
Therefore, the minimum cost is 35 cents.
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