To find the value of x, we need to use SOH-CAH-TOA. SOH-CAH-TOA is since, cosine, and tangent. The O, A, H stands for opposite, adjacent, and hypotenuse respectively.

Looking at the figure, we see 47°. The labelled angles are adjacent and the hypotenuse. Therefore, we use CAH or cosine.

$cos(47)=\frac{28}{x}$ [multiply both sides by x]

$xcos(47)=28$ [divide both sides by cos(47)]

$x=\frac{28}{cos(47)}$

When we plug that into a calculator, we get x=41.1.

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3 years ago

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The area of the square is 225 square centimeters. What is the length of each side?

kirill [66]

The answer is 15, to find this take 225 and square root

The area of a square is length times length( or side times side) . 15 times 15 is 225

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3 years ago

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1/2___|-2|

Kobotan [32]

$| - 2 = 2|$
1/2<|-2|

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Pete, Bryan, and Philip are cousins. Pete's age is one-third of Bryan and Philip is five years elder than Bryan. If the sum of t

blondinia [14]

<span>Pete's age is 15/3 = 5 years old
Bryan's age is 15 years old
Philip's age is 15+5 = 20 years old

20+15+5= 40</span>

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3 years ago

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