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3 years ago

What value of x makes this equation true?

Mathematics

1 answer:

Arlecino [84]3 years ago

5 0

Answer:

x = 4

Step-by-step explanation:

Given

13 - 4x = 1 - x ( add x to both sides )

13 - 3x = 1 ( subtract 13 from both sides )

- 3x = - 12 ( divide both sides by - 3 )

x = 4

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Leokris [45]

The answers are:

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I hope this helps you. Good luck with your work!

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3 years ago

A circle has an area of 40 square inches. Find the radius to 2 decimal places.

Oksanka [162]

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$A=\pi r^2$

We can solve this equation for r: divide both sides by pi:

$r^2=\dfrac{A}{\pi}$

Consider the (positive) square root of both sides:

$r = \sqrt{\dfrac{A}{\pi}}$

So, in your case, we have

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3 years ago

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Travka [436]

Answer:

11/2

Step-by-step explanation:

5y+3=36-y

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3 years ago

Complete the proof. Given

Sonja [21]

Answer:

2. it's a rectangle so Each pair of co-interior angles are supplementary, because two right angles add to a straight angle, so the opposite sides of a rectangle are parallel. This means that a rectangle is a parallelogram, so: Its opposite sides are equal and parallel. Its diagonals bisect each other.

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Step-by-step explanation:

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