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2 years ago

12

The diagonal length of a rectangular swimming pool can be represented by 10 times the square root of 5. Which expression represe

nts this length?

1 answer:

Helga [31]2 years ago

5 0

Answer:

C

Step-by-step explanation:

the third option correctly shows 10 times the square root of 5 (10 $\sqrt{5}$ )

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Vesna [10]

Answer:

x = 52

Step-by-step explanation:

Vertical angles are angles that are opposite from each other.

According to the vertical angles theorem, vertical are are congruent. Therefore, if the angles opposite of x is 52 degrees, angle x also equal 52 degrees.

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Step-by-step explanation:

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Simplify <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7BX-10%7D" id="TexFormula1" title="\frac{1}{X-10}" alt="\frac{1}{X-10}

mr Goodwill [35]

In the second fraction, factorize the denominator:

$x^2-9x-10=(x-10)(x+1)$

Then we have, as long as $x\neq10$ ,

$\dfrac1{x-10}\div\dfrac{9x}{x^2-9x-10}=\dfrac{\frac1{x-10}}{\frac{9x}{(x-10)(x+1)}}=\dfrac1{\frac{9x}{x+1}}=\dfrac{x+1}{9x}$

which you could also write as

$\dfrac{x+1}{9x}=\dfrac x{9x}+\dfrac1{9x}=\dfrac19+\dfrac1{9x}$

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2 years ago

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The answer is nine. You can write 27 as 27/1. From there, just multiply the fractions.

27/1 x 1/3 = 9

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3 years ago

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