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nordsb [41]
3 years ago
12

Elise has to use the information given below to find the original number. Write an equation to represent the situation. What is

the original​ number?
If you double a number and then add 24​, you get two sevenths27 of the original number.
Mathematics
1 answer:
lilavasa [31]3 years ago
3 0
Let x= original number
equation: 2x+24=2/7 x
move 2x over to the other side of the equation to get 24=-12/7 x. Then, multiply both sides of the equation by -7/12 to isolate the variable.
The final answer should be x=-14
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dexar [7]

\huge\boxed{x=25}

The mistake is in Step 1. The solver should have also squared 9 when squaring the other side of the equation.

<h3>Correctly solving</h3>

\begin{aligned}\sqrt{3x+6}&=9\\(\sqrt{3x+6})^2&=9^2\\3x+6&=81\\3x+6-6&=81-6\\3x&=75\\\frac{3x}{3}&=\frac{75}{3}\\x&=25\end{aligned}

4 0
2 years ago
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Tpy6a [65]

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8 0
3 years ago
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mario62 [17]

Answer: J = 14.4 cm

Step-by-step explanation:

<em>K is similar to G</em>

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8 0
2 years ago
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blagie [28]

Answer:

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Step-by-step explanation:

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I quickly did this on paper and here is my answer I’m not 100% sure I’m correct but here it is

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Hope this helps :D
7 0
3 years ago
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