In right triangle ABC, altitude CD is drawn to the hypotenuse. If

Mathematics

1 answer:

Free_Kalibri [48]3 years ago

7 0

Answer:

A but I'm not so sure

Step-by-step explanation:

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15.12 is what percent of 12?

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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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I did this question once.

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So, the answer to this question is that the temperature was -4 degrees Fahrenheit at 1 A.M.

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