Plzzz help and explain ASAP

Answer:

30

Step-by-step explanation:

N/-2=-15

N= -15 times -2

N= 30

Answer:

N = 30

Step-by-step explanation:

Step 1: Write equation

N/-2 = -15

Step 2: Solve for N

Step 3: Check

Plug in N to verify it's a solution.

30/-2 = -15

-15 = -15

The amount paid by person is given as follows:

400.

The amount paid by person is obtained applying the proportions in the context of the problem.

The total cost is given as follows:

1200.

The number of people is given as follows:

3.

Hence the amount paid by person is given as follows:

400.

The total cost is of 1200.

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Answer:

The measure of angle DBE is 37° ⇒ (A)

Step-by-step explanation:

If two lines are intersecting at a point, then every two vertically opposite angles are equal in measure

Example:

If line XY intersects line MN at point Z, then angle MZX, angle NZY are vertically opposite angles, and angle MZY, angle NZX are vertically opposite angles

Let us use this fact to solve the question

∵ Line CE intersects line AD at point B

∴ ∠ ABC and angle ∠DBE are vertically opposite angles

∴ m∠ABC = m∠DBE

∵ m∠ABC = 37°

∴ m∠DBE = 37°

The measure of angle DBE is 37°

Answer:

-11 1/4

Step-by-step explanation:

Answer:

114%

Step-by-step explanation:

1.14 multiplied by 100 is 114, therefore your answer is 114%

I hope this helped, please mark Brainliest, thank you!

Answer:

Just take the opposite of the number in the factor.

x = 7, x = -1, x = 9

Answer:

Step-by-step explanation:

M = (35 + 40 + 12 + 16 + 25 + 10)/5

M = 138/5

M = 27.6

Answer:

3 is the highest you can go

Step-by-step explanation:

Hope this helps

Answer:

4x+10=28

We simplify the equation to the form, which is simple to understand

4x+10=28

We move all terms containing x to the left and all other terms to the right.

+4x=+28-10

We simplify left and right side of the equation.

+4x=+18

We divide both sides of the equation by 4 to get x.

x=4.5

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

Answer:

72 ft by 18ft

Step-by-step explanation:

Answer:

h(t) = 16t² + 35

Step-by-step explanation:

Given:

Height (h) = 35 feet

Acceleration (a) = 32 ft/sec (approx)

Find:

Equation for height in time

Computation:

h(t) = -(1/2)at² + ut + h

h(t) = -(1/2)(32)t² + (0)(t) + 35

h(t) = -16t² + 35

Answer:

The midpoint is (-2,-1)

Step-by-step explanation:

To find the x coordinate of the midpoint, add the x coordinates of the endpoint and divide by 2

( -7+3)/2 = -4/2 =-2

To find the y coordinate of the midpoint, add the y coordinates of the endpoint and divide by 2

(-6+4)/2 = -2/2 =-1

The midpoint is (-2,-1)

Answer:

5 and 4/5

Step-by-step explanation:

Answer:

5 4/5 (5 12/15 not reduced)

Step-by-step explanation:

15 will go into 87 5 times.

15x1 = 15. 15x2 = 30. 15x3 = 45. 15x4 = 60. 15x5 = 75. 15x6 = 90. 90 can not go into 87, so you have to work with 75. 87-75=12. So, now your answer is

5 12/15. You are able to divide each of those numbers by 3, so let’s reduce. 12 divided by 3 is 4, and 15 divided by 3 is 5. So your reduced answer is 5 4/5. Hope that helped.

To find the value of c in 3(7c - 6z) = 108, simplify and isolate c: c = (18z + 108) / 21.

To find the value of c in the equation 3(7c - 6z) = 108, we can follow the steps below:

1. Start with the given equation: 3(7c - 6z) = 108.

2. Distribute the 3 to the terms inside the parentheses: 21c - 18z = 108.

3. Move the constant term to the other side of the equation by subtracting 108 from both sides: 21c - 18z - 108 = 0.

4. Combine like terms: 21c - 18z - 108 = 0.

5. Simplify the equation: 21c - 18z = 108.

6. Add 18z to both sides of the equation to isolate the term with c: 21c = 18z + 108.

7. Divide both sides of the equation by 21 to solve for c: c = (18z + 108) / 21.

8. The value of c is equal to (18z + 108) divided by 21.

9. Simplify the expression on the right side of the equation: c = (18z + 108) / 21.

10. If necessary, further simplify the expression by dividing 18z and 108 by their greatest common divisor. For example, if both terms are divisible by 3, divide them by 3 to simplify the expression.

11. Now, the equation c = (18z + 108) / 21 is in its simplest form.

12. If you have a specific value for z, you can substitute it into the equation to calculate the corresponding value of c. Simply replace z with the given value and evaluate the expression.

13. If no specific value for z is provided, the equation c = (18z + 108) / 21 represents c in terms of z.

14. Remember to consider any restrictions or conditions that may apply to the variables in the equation. For example, if z cannot equal zero due to division by zero restrictions, make sure to exclude that value from the domain.

15. By following these steps, you can determine the value of c in the equation 3(7c - 6z) = 108.

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Given that <A and <B are complementary angles, the measure of angle B is: [tex]41^{\circ}[/tex]

Apply the knowledge of what complimentary angles are to solve for x then find the measure of <B.

Since <A and <B are both complimentary angles, therefore:

m<A = (6x+1)

m<B = (8x-23)

[tex](6x+1) + (8x-23) = 90[/tex]

[tex]6x+1 + 8x-23 = 90[/tex]

[tex]6x+1 + 8x-23 = 90\\\\14x - 22 = 90[/tex]

[tex]14x = 90 + 22\\\\14x = 112[/tex]

[tex]x = 8[/tex]

[tex]m \angle B = 8x-23\\\\m \angle B = 8(8) - 23\\\\m \angle B = 41^{\circ}[/tex]

Therefore, given that <A and <B are complementary angles, the measure of angle B is: [tex]41^{\circ}[/tex]

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Answer:

lcm=(x+3)(x+2)(x-2)

Step-by-step explanation:

hcf=(x+2) using different of two squares for x square minus four

The exercise involves calculations with matrices A, B, and x. We need to perform various operations, including taking the inverse of matrix A, multiplying matrix A by matrix B, multiplying matrix x by the transpose of x, and calculating the dimension of the identity matrix used in each case.

Let's perform the calculations step by step:

(a) To find the inverse of matrix A, denoted as A^(-1), we need to check if matrix A is invertible. If the determinant of A is non-zero, then A^(-1) exists. If the determinant is zero, A is not invertible.

Determinant of A = |A| = 0*(-8*(-8) - 20) + 2(0*(-8) - 40) - 4(02 - (-8)(-8))

= 0 + 0 - 4*(-128)

= 512

Since the determinant is non-zero, matrix A is invertible. To find A^(-1), we can use the formula:

[tex]A^{-1} = (1/|A|) * adj(A)[/tex]

where adj(A) is the adjugate of matrix A. The adjugate can be found by taking the transpose of the cofactor matrix of A.

Calculating the adjugate of A:

Cofactor matrix of A:

C = [0 -8 16]

[0 0 0]

[4 8 0]

Transposing C:

adj(A) = [0 0 4]

[-8 0 8]

[16 0 0]

Calculating [tex]A^{-1}:[/tex]

[tex]A^{-1}= (1/512) * adj(A)[/tex]

= (1/512) * [0 0 4]

[-8 0 8]

[16 0 0]

= [0 0 1/128]

[-1/64 0 1/64]

[1/32 0 0]

(b) To calculate matrix B divided by matrix A, denoted as B/A, we need to multiply matrix B by the inverse of matrix A, which we already found in part (a).

[tex]B/A = B * A^{-1}[/tex]

= [6] * [0 0 1/128]

[-1/64 0 1/64]

[1/32 0 0]

= [60 + 0(-1/64) + 1/1280]

[60 + 00 + 1/640]

[61/32 + 00 + 1/128*0]

= [0]

[0]

[3/512]

(c) To calculate the product of matrix x and the transpose of x, denoted as xx', we simply multiply each element of x by the corresponding element in the transpose of x.

xx' = [x2x2 00]

[00 00]

= [x2^2 0]

[0 0]

(d) The dimension of the identity matrix used in each case:

For part (a), the dimension of the identity matrix used is 3x3 since the inverse of A is a 3x3 matrix.

For part (b), the dimension of the identity matrix used is 3x3 since we are multiplying a 3x1 matrix (B) by the inverse of A, which is a 3x3 matrix.

For part (c), the dimension of the identity matrix used is 2x2 since xx' is a 2x2 matrix.

For part (d), it seems there is a typo in the question, as it asks for x'1 which suggests it should be a column vector. However, x is given as [x2 0] which suggests it is a row vector. Therefore, the dimension of the identity matrix used cannot be determined in this case.

In summary:

(a) A^(-1) = [0 0 1/128]

[-1/64 0 1/64]

[1/32 0 0]

(b) B/A = [0]

[0]

[3/512]

(c) xx' = [x2^2 0]

[0 0]

(d) The dimension of the identity matrix used cannot be determined for part (d) due to the inconsistency in the provided data.

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9514 1404 393

Answer:

  t = 1 1/7 ≈ 1.1429 seconds

Step-by-step explanation:

Filling in the given height, we can solve for t:

  640 = -490t^2 +1120t

  49t^2 -112t +64 = 0 . . . . . divide by 10, put in standard form

  (7t -8)^2 = 0

  t = 8/7 . . . . . . . the value of t that makes the factor(s) zero

The model rocket will reach its maximum height of 640 cm after 1 1/7 seconds.

Answer:

(0, 4)

Step-by-step explanation:

The y-intercept is the y-value when x = 0.

From the graph, we see that when x = 0, y = 4.

Answer:

.624

Step-by-step explanation:

Hope this helps.

Answer: 0.624

Step-by-step explanation:

The present value of $13,000 discounted back 5 years at a semi-annual compound rate of 9% can be calculated by the formula:PV = FV / (1 + r/m)^(m*t)Here, PV stands for Present Value FV stands for Future Valuer stands for the interest rate (9%)m is the number of times the interest is compounded (semi-annually, so m = 2)t is the number of years (5)

After substituting the values in the formula, we get:PV = 13,000 / (1 + 0.045)^10PV = 13,000 / 1.55709768854PV = $8,349.58. We can use the concept of present value (PV) and future value (FV) to solve this question. When the cash flow is considered at different points of time, the money's value changes with the time value of money. The time value of money takes into consideration the amount of interest that could be earned on the sum of money if invested. Present value (PV) is a mathematical concept that represents the current worth of a future sum of money, taking into account the time value of money and the given interest rate. PV is calculated by using a discount rate that is determined by the interest rate and the length of time between the present and future payment dates. Future value (FV) is a mathematical concept that represents the future worth of a present sum of money, taking into account the time value of money and the given interest rate. FV is calculated by using a compound interest rate that is determined by the interest rate and the length of time between the present and future payment dates. To calculate the present value of $13,000 discounted back 5 years at a semi-annual compound rate of 9%, we can use the formula PV = FV / (1 + r/m)^(m*t), where PV is the present value, FV is the future value, r is the interest rate, m is the number of times the interest is compounded per year, and t is the number of years. In this case, we know that FV is $13,000, r is 9%, m is 2 (since it is compounded semi-annually), and t is 5. After substituting these values into the formula, we get PV = $8,349.58. Therefore, the present value of $13,000 discounted back 5 years at a semi-annual compound rate of 9% is $8,349.58.

Therefore, the present value of $13,000 discounted back 5 years at a semi-annual compound rate of 9% is $8,349.58.

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Answer:

2:3

Step-by-step explanation:

2a/3a a is out

cya a

The ratio 2a/3a in the simplest form is 2/3.

Ratio is the way to compare one thing that is related to another thing.

Simplifying ratio means reducing its terms to the lowest possible digits by dividing them with the possible common factor

For example if we have a ratio 3/6 then we divide both terms by 3 to get 3/6 = 1/2 which is the simplest form of ratio 3/6

Given that a ratio 2a/ 3a

2 and 3 have nothing in common . therefore a is the common factor between 2a and 3a

Then divide the terms of ratio by a

⇒ 2a/ 3a = (2a/a)/(3a/a) = (2/1)/(3/1) = 2/3

Therefore, the simplest form of the ratio 2a/3a is 2/3.

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The minimum possible value of the European call option is approximately 2.8752.

Given the parameters S = 52 (current stock price), K = 50 (strike price), r = 24% (annual interest rate), and a time to maturity of 3 months, we can calculate the minimum call option value.

The Black-Scholes formula for European call option pricing is as follows:

C = S * N(d1) - K * e^(-r*T) * N(d2)

Where:

C = Call option price

S = Current stock price

N = Cumulative standard normal distribution function

d1 = (ln(S/K) + (r + σ^2/2) * T) / (σ * sqrt(T))

d2 = d1 - σ * sqrt(T)

K = Strike price

r = Annual interest rate

T = Time to maturity (in years)

e = Euler's number (approximately 2.71828)

σ = Implied volatility of the underlying asset

Using the provided values, we can calculate the minimum call option value as follows:

d1 = (ln(52/50) + (0.24 + 0^2/2) * (3/12)) / (0.24 * sqrt(3/12))

   = (ln(1.04) + 0.12 * 0.25) / (0.24 * 0.1443)

   = (0.0392 + 0.03) / 0.0346

   = 1.7507

d2 = 1.7507 - 0.24 * sqrt(3/12)

   = 1.7507 - 0.24 * 0.1443

   = 1.7507 - 0.0346

   = 1.7161

N(d1) = N(1.7507) ≈ 0.9599 (using standard normal distribution table)

N(d2) = N(1.7161) ≈ 0.9569 (using standard normal distribution table)

C = 52 * 0.9599 - 50 * e^(-0.24 * (3/12)) * 0.9569

 = 49.9152 - 50 * e^(-0.06) * 0.9569

 ≈ 49.9152 - 50 * 0.9408

 ≈ 49.9152 - 47.040

 ≈ 2.8752

Therefore, the minimum possible value of the European call option is approximately 2.8752.

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Answer:

Infinite amount of solutions.

Step-by-step explanation:

Step 1: Write equation

2x - x + 7 = x + 3 + 4

Step 2: Solve for x

Here, we see that x is infinite amount of solution. We can plug in any number x and it will render the equation true.

Answer:

y = 3/2x + 2

Step-by-step explanation:

first things first write the equation is y = mb+b form which would be 2y  = 3x + 14 then divide everything by 2 to get y by itsself --> 3/2x + 7  for an equation to be paralle the equation needs the same slope which is -6 so 3/2(-6) = -9 so the next equation would also start with 3/2x,  so you would then do this:

-11 = -9 + b (y = mx+b)

b = -9 + 11 --> b = 2

so the equation is

y = 3/2x + 2

Answer:

The question is wrong

Step-by-step explanation:

neither is the value of x given, nor the value of SU line

Answer: each item cost 2.05

Step-by-step explanation:

10.25 divided by 5 = 2.05

checking

2.05 times 5 = 10.25

The angles that must be right angles in the given figure are <FPT and <GWF.

In the given figure, we have a circle with center N and diameter FM. The tangents to the circle are GA and FW.

First, let's consider angle <FPT. Since GA is tangent to the circle, it is perpendicular to the radius drawn from the center N to the point of tangency, which is point F. Therefore, <FPT must be a right angle.

Next, let's consider angle <GWF. Since FW is tangent to the circle, it is also perpendicular to the radius drawn from the center N to the point of tangency, which is point F. Hence, <GWF must also be a right angle.

Angles <TFS, <NGW, <FNG, and <NFW are not guaranteed to be right angles based on the given information. Although the figure suggests that <FNG might be a right angle due to the right triangle formed by the diameter FM and the tangent GA, it is not necessarily always true, as the figure could be drawn in a way that makes <FNG non-right.

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Complete question:

The figure below shows a circle with center N, diameter FM, and tangents GA and FW. Which of the angles must be right angles? Select all that apply.

A) <TFS

B) <NGW

C) <FPT

D) <FNG

E) <NFW

F) <GWF