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2 years ago

15

The measures of two sides of a triangle are 17x-7 and 3xsquared-14x+12.Find the measurements of the third side.How do I do this?

And what is the answer.

1 answer:

Marta_Voda [28]2 years ago

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Answer:

<h2>126%</h2>

Step-by-step explanation:

$\bold{METHOD\ 1}\\\\\begin{array}{ccc}15.12&-&p\%\\\\12&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\12p=(15.12)(100)\\12p=1512\qquad\text{divide both sides by 12}\\p=126$

$\bold{METHOD\ 2}\\\\p\%=\dfrac{p}{100}\\\\p\%\ of\ 12\ is\ equal\ to\ 15.12:\\\\\dfrac{p}{100}\cdot12=15.12\\\\\dfrac{12p}{100}=15.12\qquad\text{multiply both sides by 100}\\\\12p=1512\qquad\text{divide both sides by 12}\\\\p=126$

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3 years ago

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kicyunya [14]

The answers for 13 and 14 are attached in the file.

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3 years ago

A toy car can go 5 mph. How long would it take to go 7 miles?

Radda [10]

Answer:

by the way what grade are you in? If you are more than 7th grade can you help me? brainly.com/question/16233847

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Step-by-step explanation:

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2 years ago