2 years ago

Find the value of y. Round your answer to the nearest tenth.

1 answer:

3 0

Is a calculator allowed? 8/13 = 0.61538. Then take arccos of that to get 52 degrees. Arccos on a calculator might be seen as acos or inv-cos.

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What is the inverse of this function? f(x)=x−7

viva [34]

Answer:

Step-by-step explanation:

Replace f(x) with y. y = x − 7

Interchange the variables. x = y − 7

Solve for y. y = x + 7

Solve for y and replace with f^−1 (x). f^−1(x) = x + 7

I hope this helps have a great day :)

4 0

2 years ago

What is the answer to 3x + 2 = 4x

Sedbober [7]

X=2
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4 years ago

Convert into kilometers.<br> 452.159 meters.<br> Round to the nearest thousandth.

victus00 [196]

Answer:

452km

Step-by-step explanation:

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3 years ago

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velikii [3]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=%20%5Cpi%20%20x%5E%7B2%7D%20" id="TexFormula1" title=" \pi x^{2} " alt=" \pi x^{2} " align="

ANEK [815]

The formule is about area of a circle.

$\pi x^{2} = a$

We need to solve the equation for x. Where x is the radius of the circle.

In order to solve it for x, we need isolate it for x on left side.

So, first we need to get rid pi from left side.

On dividing both sides by pi, we get

$\frac{\pi x^2}\pi}=\frac{a}{\pi}$

$x^2=\frac{a}{\pi}$

Taking square root on both sides, we get

$\sqrt{x^2}=\sqrt{\frac{a}{\pi}}$

$x=\sqrt{\frac{a}{\pi}}$

4 0

3 years ago