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ICE Princess25 [194]

3 years ago

15

How do you solve an equation with Fractions? Ex. 1/2(7x + 48) Ex. -(1/2 x -3)+4(x + 5)

1 answer:

Assoli18 [71]3 years ago

5 0

Its best to turn fractions into decimals so its easier to solve the problem, in order to do this you would divide the number on the top to the number on the bottom. Ex: 1 divide by 2 So the numerator divided by the denominator. The top of the faction is the numerator and the bottom of the faction is the denominator. So 1 divided by 2 = 0.5 you would replace 0.5 for the 1/2.

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A guy wire makes a 65° angle with the ground. walking out 37 feet further from the tower, the angle of elevation to the top of t

kicyunya [14]

Let's call the height of the tower $h$ and the distance from the 65 degree angle to the base of the tower $d$ .

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$\tan 65^\circ = \dfrac h d$

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$h = d \tan 65^\circ = (d+37) \tan 39^\circ$

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$d = \dfrac{37 \tan 39}{\tan 65 - \tan 39}$

$h = d \tan 65 = \dfrac{37 \tan 39 \tan 65}{\tan 65 - \tan 39}$

$h \approx 48.1 \textrm{ feet}$

Answer: 48

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