3 years ago

Select the correct answer. Which of the following is the inverse of ?

Mathematics

1 answer:

Lunna [17]3 years ago

5 0

Answer:

the answer is letter C.

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Determine whether 4 is a solution of the equation 9x+7=40.<br> Is 4 a solution?

Allisa [31]

Plug in 4 for x

9(4) + 7 = 40

36 + 7 = 40

43 ≠ 40

No, 4 is not a solution

hope this helps

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4 years ago

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What is the trigonometric ratio for sin Z ?

Schach [20]

In all right triangles, the ratio between a leg and the hypothenuse is the sine of the angle opposite to the leg.

So, in your case, we have

$\sin(Z) = \dfrac{XY}{XZ}$

In order to find XY, we have

$XY = \sqrt{XZ^2-YZ^2} = \sqrt{1600-1024}=\sqrt{576} = 24$

So, the ratio for the sine is

$\sin(Z) = \dfrac{XY}{XZ} = \dfrac{24}{40} = \dfrac{3}{5}$

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3 years ago

Factor 3x^3+6x^2+x+2 by grouping

bezimeni [28]

The answer for this question when grouping:

(x+2)(3x^2+1)

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3 years ago

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A server at a restaurant works 5 hours on a weekday and 8 hours on a weekend day. Use the expression to find the number of hours

BabaBlast [244]

Answer:

20 weekday hours and 16 weekend hours

Step-by-step explanation:

all u do is take 5 hours and multiple them by 4 weekdays so it gives u 20 hours and then u multiple 8 hours by 2 which is 16 hours

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3 years ago

What best describes the expression 6 over y?

Simora [160]

6 divided by some number.

4 0

4 years ago