If 1/6 of a gallon of milk is shared equally between three friends how much milk will each friend get

Answer: (a) From the graph, we can see that the function f is increasing on the interval [-5, -1), (-2, 2), and (3, 5]. Therefore, we can write the increasing intervals in interval notation as:

[-5, -1) ∪ (-2, 2) ∪ (3, 5]

(b) From the graph, we can see that the function f is decreasing on the interval (-1, 1) and (2, 3]. Therefore, we can write the decreasing intervals in interval notation as:

(-1, 1) ∪ (2, 3]

(c) From the graph, we can see that the function f is constant on the interval [-4, -3]. Therefore, we can write the constant interval in interval notation as:

[-4, -3]

Step-by-step explanation:

(a) True

(b) True

(c) False

(d) True

(e) False

(a) True. For any n × n invertible matrix A, the equation Ax = 0 admits only the trivial solution. This is because if A is invertible, then there exists an inverse matrix A^-1 such that A^-1A = I, where I is the identity matrix. Therefore, if Ax = 0, then A^-1Ax = A^-10, or x = 0. This means that the only solution to the equation is the trivial solution x = 0.

(b) True. For any two matrices A and B of size n × n, (AB)^T = (B^T) (A^T). This is a property of matrix multiplication and transposition, and can be easily verified by performing the operations on the matrices.

(c) False. Let A be a matrix of size n × n. If for two vectors y and z of R^n we have Ay = Az, it does not necessarily mean that y = z. It is possible for two different vectors to produce the same result when multiplied by the same matrix. For example, consider the matrix A = [[1, 0], [0, 1]] and the vectors y = [1, 0] and z = [0, 1]. Both Ay and Az will result in the same vector [1, 1], but y and z are clearly not equal.

(d) True. If A is a matrix of size n × n such that A^3 = I(n), then A is invertible. This is because A^3 = I(n) implies that A^2 = A^-1, meaning that the inverse of A exists and A is invertible.

(e) False. For any two matrices A and B of size n×n such that AB = 0, it is not necessarily true that A = 0 or B = 0. It is possible for two non-zero matrices to multiply to produce the zero matrix. For example, consider the matrices A = [[1, -1], [1, -1]] and B = [[1, 1], [1, 1]]. Both A and B are non-zero matrices, but AB = 0.

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All four statements are logically equivalent.

The statements (a), (b), (c), and (d) are all logically equivalent because they all describe the same concept: that the matrix A has a solution for every possible vector b.

Let's start with statement (a): For each b∈Rm, the matrix equation Ax=b has a solution. This means that for any vector b in Rm, there exists a vector x in Rn such that Ax=b.

Now, let's look at statement (b): Each b∈Rm is a linear combination of the columns in A. This means that for any vector b in Rm, we can write b as a linear combination of the columns of A, which is equivalent to saying that Ax=b has a solution.

Statement (c) says that the columns of A span Rm. This means that the columns of A can be combined in a linear combination to produce any vector in Rm, which is equivalent to saying that Ax=b has a solution for any vector b in Rm.

Finally, statement (d) says that the reduced echelon form of A has a pivot in every row. This means that the matrix A is of full rank and that there are no free variables in the equation Ax=b. This implies that there is a unique solution for every vector b in Rm, which is equivalent to saying that Ax=b has a solution for any vector b in Rm.

Therefore, all four statements are logically equivalent because they all describe the same concept: that the matrix A has a solution for every possible vector b.

The solution to this question is to understand that all four statements are logically equivalent because they all describe the same concept: that the matrix A has a solution for every possible vector b.

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complementary mean they both add to 90 degrees

90 - 12.1 = 77.9

the other angle is 77.9 degrees

Answer: 77.9°

Step-by-step explanation:

Complementary angles are angles that, when added together, equal 90°.

So to find the complementary angle of an angle that measures 12.1°, you subtract:

90-12.1 = 77.9°

The total number of codes possible is 9 × 10 × 10 × 8.

To find the total number of codes possible, we need to multiply the number of choices for each digit.

For the first digit, there are 9 choices (0 is not allowed).

For the second and third digits, there are 10 choices each (0-9).

For the last digit, there are 8 choices (0 and 1 are not allowed).

So the total number of codes possible is 9 × 10 × 10 × 8 = 7200.

Therefore, there are 7200 different codes possible for the lock.

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Answer:

Step-by-step explanation:

f(x)=x^4−x^2+9

The total amount for an  of $5,000 over 5 years at an annual interest rate of 6% if the interest is compounded quarterly is $5386.42.

Interest is the amount a lender or financial institution receives for lending money. Interest can also refer to a shareholder's ownership interest in a company and is usually expressed as a percentage.

Interest rate indicates the cost of borrowing or the reward for saving. Therefore, if you are a borrower, interest rate is the amount charged to borrow money, expressed as a percentage of the total loan amount.  

Solution according to the information given in the question :

Given, Principal(P) = $5,000

           Compounding per year(n) = 4

          Time(in years)(T) = 5

          Interest rate = 6%

Amount = P× (1 + r/n)^t

             = 5000 × (1 + 6/4×100)⁵

            = 5000 × (1.015)⁵

            = 5000 ×1.07

            = $5286.42

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`u−2u2u0u3 = u^3`

(a) 1 / 34 * 4 = 4 / 34

(b) 6y * (1 / (53xy2))3 = 6y / 53xy2

(c) x * (1 / 9y) * (1 / 14x2) * (1 / (x−8)) = x / (9y * 14x2 * (x−8))

(d) (u−2 * u2) / (u0 * u3) = u−4 / u3
(a) Rewrite the given expression without negative exponents and simplify:(a)- (34)- 4Let us first use the law of exponents that says `(a^m)^n = a^(m*n)`The negative exponent `−4` means the denominator, so we can move the base `3` to the denominator and change the exponent to `+4`.Thus, `(a)−(34)−4 = a*(3^4) = 81a`Therefore, `(a)- (34)- 4 = 81a`(b) Rewrite the given expression without negative exponents and simplify:(b)(6y-5/3xy2)3Let us first use the law of exponents that says `(a^m)^n = a^(m*n)`We have to remove the negative exponent from `y^-5`, we can write it as `1/y^5`.Thus, `(6y-5/3xy2)3 = 6^3 * y^-15 * x^3 * y^6`Moving the base `y` with the negative exponent to the denominator and change the exponent to `+15`.Therefore, `(6y-5/3xy2)3 = 216x^3/ y^9`(c) Rewrite the given expression without negative exponents and simplify:(c) x-9y-14x2x-8We can rewrite `x^-9` as `1/x^9` and `x^-8` as `1/x^8`. Therefore, we get `(1/x^9 * y^-14 * x^2 * 1/x^8)`.Simplifying the above expression we get `(y^-14/x^15)`Therefore, `x-9y-14x2x-8 = y^-14/x^15` (d) Rewrite the given expression without negative exponents and simplify:(d) u−2u2u0u3Here we can observe that `u^0 = 1`. Hence, `u−2u2u0u3 = u^-2*u^2*1*u^3`We can simplify the expression by multiplying the coefficients and adding the exponents. Thus, `u^-2*u^2*1*u^3 = u^(2-2+3) = u^3`Therefore, `u−2u2u0u3 = u^3`

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No solution is the answer because the equation cannot be solved because both sides of the equation do not have the same denominator. To solve the equation, we can cross-multiply and simplify the terms to get a quadratic equation.

Then we can use the quadratic formula to find the solutions. The denominator of the left side is w, while the denominator of the right side is (w² - 4).

Here are the steps:

1. Cross-multiply to get rid of the fractions: (w)(w² - 4) = (w + 2)(w + 25) - (5)(w + 2)(w - 2)
2. Distribute the terms: w³ - 4w = w² + 27w + 50 - 5w² + 10w
3. Combine like terms and rearrange to get a quadratic equation: w³ - 6w² - 41w - 50 = 0
4. Use the quadratic formula to find the solutions: w = (-(-6) ± √((-6)² - 4(1)(-41)(-50)))/(2(1))
5. Simplify the terms inside the square root: w = (6 ± √(36 - 8200))/2
6. Simplify further: w = (6 ± √(-8164))/2
7. Since the square root of a negative number is not a real number, there are no real solutions to this equation.

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The slide does not meet safety requirements.

A line's steepness and direction are measured by the line's slope. Without actually using a compass, determining the slope of lines in a coordinate plane can assist in forecasting whether the lines are parallel, perpendicular, or none at all.

As per the given data:

maximum average slope = 30°

height of the slide = 6 ft

length of the slide = 11.7 ft

For calculating slope (θ):

sinθ = (P/H) {P is perpendicular and H is hypotunese}

sinθ = (height/length)

sinθ = (6/11.7)

sinθ = 0.512

Using sin inverse:

θ = 30.8°

θ > maximum average slope

Hence, the slide does not meet safety requirements.

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Answer:

A. The number of actual outcomes is 6 (since there are 6 sides to the block).

B. The number of all possible outcomes would be the number of ways the block could land on the table, which is also 6 (since each of the 6 sides is equally likely to face up).

C. The probability that the block will land with either the T, C or R facing up is the probability of landing on any one of those 3 sides. Since there are 3 such sides, and each side is equally likely to face up, the probability is 3/6 or 1/2.

The linear equation that shows the interest earned from each investment is (d): "4a + 6b + 5c = 950"

Investment refers to the act of allocating money or other resources to an asset or venture with the expectation of generating a profit or some other form of return over a period of time.  The primary goal of investing is to use the available resources to generate a return that is greater than the initial investment, thus growing wealth over time.

A linear equation is an algebraic equation in which the highest power of the variable is one. In other words, a linear equation is a polynomial of degree one. It represents a straight line when plotted on a graph. The general form of a linear equation with one variable, x, is:

ax + b = 0

In the given question,

Let's assume that Mr. Silverstone invested a dollars in the first annuity with an interest rate of 2%, b dollars in the second annuity with an interest rate of 4%, and c dollars in the bond with an interest rate of 5%. The interest earned from each investment can be calculated as follows:

Interest earned from the first annuity = 0.02a

Interest earned from the second annuity = 0.04b

Interest earned from the bond = 0.05c

The total interest earned from all three investments together is given as $950. Therefore, we can write the equation:

0.02a + 0.04b + 0.05c = 950

This is the same as option (c) given in the question: "0.04a + 0.06b + 0.05c = 950". However, option (c) has some errors in the coefficients, as the interest rates for the annuities were given as 2% and 4%, not 4% and 6%.

Therefore, the linear equation that shows the interest earned from each investment if the total was $950 is:

0.02a + 0.04b + 0.05c = 950

This can also be simplified as:

2a + 4b + 5c = 95000 (by multiplying both sides by 100 to remove the decimals)

So, the correct option is (d): "4a + 6b + 5c = 950".

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C. The dog's body temperature is regarded normal because the range for a healthy adult is 101°F to 102.5°F.

What exactly is value?

Value is the appraised, monetary, or material worth of a good, service, or asset. Several ideas are associated with the word "value," including shareholder value, company value, fair value, and selling price.

The phrase to assess whether a dog's body temperature is acceptable or not is:

|t - 101.75| ≤ 0.75

When we replace the specified value for the dog's body temperature, we obtain:

|101.2 - 101.75| = |-0.55| = 0.55

The body temperature of the dog is regarded as normal because 0.55 is less than 0.75.

Option C, however, is the one that accurately depicts the dog's core body temperature:

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Answer:

B

Step-by-step explanation:

The correct answer is Option C - Type 1 and Type 2. The power of a test is the probability of rejecting the null hypothesis when it is false; in other words, it is the probability of avoiding a type II error.

The power may also be thought of as the likelihood that a particular study will detect a deviation from the null hypothesis given that one exists. A Type 1 error occurs when a hypothesis test results in rejecting a true null hypothesis, and a Type 2 error occurs when a hypothesis test fails to reject a false null hypothesis.

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The amount that Beth borrowed at the annual interets of 30% is found to be  £4880.

We can use the relation to find the original borrowed which is,

original amount x (1 + interest rate)² = total amount to be paid

The interest in annual so the value of interest of the loan that Beth took is 30% and the amount to be paid is £8112. Let x be the borrowed amount,

Now, putting all the values in the relation above-mentioned,

Based on the given conditions, formulate:

x+(1+30%)² = 8112

x(1.3)² = 8112

Divide both sides of the equation by the coefficient of variable,

x = 8112/(1.30)²

Calculated value of x = 4800

The original amount that Beth borrowed is £4880.

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The Cartesian equation y = 3x^2 as a polar equation can be write as r(θ) = 3 sec(θ) / (1 + tan²(θ)).

To rewrite the Cartesian equation y = 3x² as a polar equation, we need to use the conversion formulas between Cartesian coordinates (x, y) and polar coordinates (r, θ):

x = r cos(θ)
y = r sin(θ)

Substituting these formulas into the Cartesian equation gives us:

r sin(θ) = 3(r cos(θ))²

Dividing both sides by r and rearranging terms gives us:

r = 3 cos²(θ) / sin(θ)

Using the identity 1 + tan²(θ) = sec²(θ), we can rewrite the equation in terms of tan(θ) and sec(θ):

r = 3 (1 / (1 + tan²(θ))) / (1 / sec(θ))

Simplifying gives us the final polar equation:

r(θ) = 3 sec(θ) / (1 + tan²(θ))

Therefore, the Cartesian equation y = 3x²can be rewritten as the polar equation r(θ) = 3 sec(θ) / (1 + tan²(θ)).

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The value of fy(1,1) is 5.5 with one decimal digit on the right side of the decimal point.

To find the value of fy(1,1), we need to first find the partial derivative of f(x,y) with respect to y. This is done by treating x as a constant and taking the derivative with respect to y.

The partial derivative of f(x,y) with respect to y is:
fy(x,y) = (1/2)(4x2 - 2y + 7x4y5)-1/2 (-2 + 35x4y4)

Now we can plug in the values of x=1 and y=1 into the partial derivative to find the value of fy(1,1):
fy(1,1) = (1/2)(4(1)2 - 2(1) + 7(1)4(1)5)-1/2 (-2 + 35(1)4(1)4)
fy(1,1) = (1/2)(4 - 2 + 7)-1/2 (-2 + 35)
fy(1,1) = (1/2)(9)-1/2 (33)
fy(1,1) = (1/2)(1/3)(33)
fy(1,1) = 5.5

Therefore, the value of fy(1,1) is 5.5 with one decimal digit on the right side of the decimal point.

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To factor the trinomial 2x²+7x-4, you could rewrite it as 2x²+8x-2x-4, and then factor by grouping. The factor pairs of ac are (x+4), (2x-1).

To factor the trinomial 2x²+7x-4 by grouping, we need to find a factor pair of ac that sums to b. In this case, ac = (2)(-4) = -8 and b = 7.

The factor pair of -8 that sums to 7 is 8 and -1. Therefore, we can rewrite the trinomial as follows:

2x²+7x-4 = 2x²+8x-x-4

Next, we can group the first two terms and the last two terms:

(2x²+8x)+(-x-4)

Now, we can factor out the greatest common factor from each group:

2x(x+4)-1(x+4)

Finally, we can factor out the common factor of (x+4):

(x+4)(2x-1)

Therefore, the factored form of the trinomial 2x²+7x-4 is (x+4)(2x-1).

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The coordinates of the triangle A'B'C' are A'(-2, -6), B'(-14, -2) and C'(-2, -2).

Dilation is the process of resizing or transforming an object. It is a transformation that makes the objects smaller or larger with the help of the given scale factor. The new figure obtained after dilation is called the image and the original image is called the pre-image.

here, we have,

From the given graph, triangle ABC have A(1, 3), B(7, 1) and (1, 1).

Triangle ABC is enlarged with a scale factor of -2 and the origin of the Centre to give triangle A'B'C'.

Now, A(1, 3) → -2(1, 3)→A'(-2, -6)

B(7, 1) → -2(7, 1) → B'(-14, -2)

C(1, 1) → -2(1, 1) → C'(-2, -2)

Therefore, the coordinates of the triangle A'B'C' are A'(-2, -6), B'(-14, -2) and C'(-2, -2).

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Answer:

option (1)

Step-by-step explanation:

rearrange making x the subject, then x is the inverse

y = [tex]\frac{3}{2}[/tex] x ( multiply both sides by 2 to clear the fraction )

2y = 3x ( isolate x by dividing both sides by 3 )

[tex]\frac{2}{3}[/tex] y = x

change y back into terms of x , then inverse is

[tex]f^{-1}[/tex] (x) = [tex]\frac{2}{3}[/tex] x , or

y = [tex]\frac{2}{3}[/tex] x

Answer:

tan A= 8/15

draw triangle where A and B are legs and C is hypotenuse

A=8 and C=17, meaning that you need to find B by using Pythagorean theorem (a^2+b^2=c^2)

8^2+b^2=17^2

64+b^2=289

b^2=225

b=15

tan= opposite/adjacent

tan A=8/15

Answer:1 and 2/3 lb per person

Step-by-step explanation:

5 pund divided by 3 ppl = 5/3

Answer:

He realizes the casino is a trap when he found out people from 1977 are in the casino. They wasted five days in the casino.

To find the inverse equation of f(x) = 3x + 5, we first replace f(x) with y:

y = 3x + 5

Next, we switch x and y and solve for y:

x = 3y + 5

x - 5 = 3y

y = (x - 5)/3

Therefore, the inverse of f(x) is f^-1(x) = (x - 5)/3.

To find the inverse equation of g(x) = x^2 - 6, we replace g(x) with y:

y = x^2 - 6

Next, we switch x and y and solve for y:

x = y^2 - 6

x + 6 = y^2

y = ±sqrt(x + 6)

Since we want a function, we take the positive square root:

y = sqrt(x + 6)

Therefore, the inverse of g(x) is g^-1(x) = sqrt(x + 6).

The relationship between a function and its inverse is such that if (a,b) is a point on the graph of f, then (b,a) is a point on the graph of f^-1. In other words, the roles of x and y are reversed in the inverse function. The domain of the function becomes the range of the inverse, and the range of the function becomes the domain of the inverse.

In general, not all functions have inverses. For a function to have an inverse, it must be one-to-one (i.e., each x-value in the domain maps to a unique y-value in the range). If a function is not one-to-one, then it may be possible to restrict the domain to a smaller interval so that the restricted function does have an inverse. When a function has an inverse, the domain and range of the inverse follow a pattern as stated above.

Step-by-step explanation:

the point and goal is to come up with a series of multiplications of terms that is equivalent to the original sum of terms.

in doing so, we try to find the same common factors in the sub-groups we are building.

so, the error was to use "-" with the last term, as this "destroyed" the common factor.

it should have been

3x(2x - 3) + 4(2x - 3)

which gives us via the common terms

(2x - 3)(3x + 4)

that is the correct factoring.

The 14th term of the given geometric sequence is -40,960.

A geometric progression is a sequence of numbers in which each term after the first is obtained by multiplying the preceding term by a constant factor called the common ratio. It is a type of exponential growth or decay.

The given sequence is a geometric sequence with the first term (a₁) as 5 and the common ratio (r) as -2. To find the 14th term, we can use the formula for the nth term of a geometric sequence, which is:

[tex]a_n = a_1 \times r^{(n-1)}[/tex]

Substituting the values of a₁ and r, we get:

[tex]a_n = 5\times -2^{(n-1)}[/tex]

To find the 14th term, we can substitute n = 14 and simplify:

[tex]a_{14} = 5 \times (-2)^{(14-1)}[/tex]

[tex]a_{14} = 5 \times (-2)^{(13)}[/tex]

[tex]a_{14} = 5 \times -8192[/tex]

a₁₄ = -40,960

Therefore, the 14th term of the given geometric sequence is -40,960.

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a + 26 = 180 (linear pair)

a = 180 - 26

a = 154°

We can conclude that the equation of the line of best fit is -

ŷ = 713.70516X + 1077.04596. Also, the slope {m} is 713.70516 and {y} -

intercept is 1077.04596.

Given is a table as shown in the image.

-6.6

-5.6

-3.6

-1.6

-0.6

0.4

2.4

3.4

5.4

6.4

-4887.5

-3887.5

-2587.5

-1287.5

-637.5

962.5

1762.5

2312.5

3737.5

4512.5

43.56

31.36

12.96

2.56

0.36

0.16

5.76

11.56

29.16

40.96

{SS} : 178.4

32257.5

21770

9315

2060

382.5

385

4230

7862.5

20182.5

28880

{SP} : 127325

Sum of {X} = 66

Sum of {Y} = 57875

Mean {X} = 6.6

Mean {Y} = 5787.5

Sum of squares {SSₓ} = 178.4

Sum of products {SP} = 127325

Regression Equation -

ŷ = bX + a

b = SP/SSₓ = 127325/178.4 = 713.70516

a = MY - bMₓ = 5787.5 - (713.71*6.6) = 1077.04596

ŷ = 713.70516X + 1077.04596

Slope -

{m} = 713.70516

{y} - intercept = 1077.04596

Therefore, we can conclude that the equation of the line of best fit is -

ŷ = 713.70516X + 1077.04596. Also, the slope {m} is 713.70516 and {y} -

intercept is 1077.04596.

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