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mezya [45]
2 years ago
11

A student cost for last semester at her community college was 2300 she spent 414 of that on books what percent of last semester’

s college costs was spent on books ?
Mathematics
1 answer:
Crank2 years ago
5 0
414/2300 ×100% = 18%
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Answer:

It's C, REVIEW THE EVALUATIVE MODIFIERS

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3 years ago
HELP PLEASE!! I DONT UNDERSTAND!!!!!!!!!! THANKS SO MUCH
8090 [49]

Hello, please consider the following.

We will multiply the numerator and denominator by

4+\sqrt{6x}

to get rid of the root in the denominator.

First of all, we cannot divide by 0, right? So, we need to make sure that the denominator is different from 0.

4-\sqrt{6x} =0\sqrt{6x}=4\\\\\text{Take the square}\\\\6x=4^2=16\\\\x=\dfrac{16}{6}=\dfrac{8}{3}

We need to take any x real number different from 8/3 then and simplify the expression.

Let's do it!

\begin{aligned}\dfrac{4}{4-\sqrt{6x}}&=\dfrac{4(4+\sqrt{6x})}{(4+\sqrt{6x})(4-\sqrt{6x})}\\\\&=\dfrac{4(4+\sqrt{6x})}{(4^2-\sqrt{6x}^2)}\\\\&=\dfrac{4(4+\sqrt{6x})}{(16-6x)}\\\\&=\dfrac{2(4+\sqrt{6x})}{(8-3x)}\\\\&\large \boxed{=\dfrac{8+2\sqrt{6x}}{8-3x}}\end{aligned}

Thank you

8 0
2 years ago
Need some help with this please
saveliy_v [14]
-0.83 for it’s the lowest number
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2 years ago
Simplify this expression.<br> <img src="https://tex.z-dn.net/?f=2%5Csqrt5%2813%2B%5Csqrt2%29" id="TexFormula1" title="2\sqrt5(13
andreyandreev [35.5K]

Step-by-step explanation:

everything can be found in the picture

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2 years ago
Read 2 more answers
Factor the following perfect square trinomial
yKpoI14uk [10]
25x^2+10x+1

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(5x+1)(5x+1)

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3 years ago
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