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3 years ago

Identify PR rounded to the nearest tenth. Please help asap!!

Mathematics

1 answer:

kicyunya [14]3 years ago

5 0

Trigonometric Functions:

$S\frac{O}{H} C\frac{A}{H} T\frac{O}{A}$

$Sine\frac{Opposite}{Hypotenuse} Cos\frac{Adjacent}{Hypotenuse} Tan\frac{Opposite}{Adjacent}$

You have the angle and the adjacent. You need to find the hypotenuse (PR). Therefore, you use cos.

$Cos(26)=\frac{13}{H}$

Rearrange the formula to find H (PR):

$H = \frac{13}{Cos(26)}$

14.463 ~ 14.5

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3 years ago

Help please!!!!!!!!!!!!!

KatRina [158]

Hello!

For this you can plug in the x values in the choices and see if you get the y value

y = $-4^{3} - (-4)$

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when you subtract a negative you are just adding

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Then you do the second one

$y = -3^{3} - (-3)$

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Then the third one

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Then the last one

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Since we did not get -2 the answer is D

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kondor19780726 [428]

Hello!

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