3 years ago

I need help with this give 20 points

Mathematics

1 answer:

charle [14.2K]3 years ago

3 0

Answer:

Step-by-step explanation:

1.) 1/2

2.)24

3.)12

4.)1/2

5.)24

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Someone help me on this math problem

densk [106]

The answer to the question

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2 years ago

<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

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

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

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3 years ago

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Mkey [24]

Answer:

7x + 8 = 12 - 3x

Step-by-step explanation:

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2 years ago

Read 2 more answers

Need help with factoring, x squared minus 8x +15

wariber [46]

Answer:

(x-3)(x-5)

Step-by-step explanation:

X^2-8x+15

Break the expression into groups

(x^2-3x)+(-5x+15)

Factor out x from x^2-3x

Factor out -5 from -5x+15: -5(x-3)

=x(x-3)-5(x-3)

Factor out common term x-3

=(x-3)(x-5)

Thanks for letting me help!!

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The cost of 15 gallons of gasoline is $48 which equation shows this in function notation

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