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McGraw Hill Glencoe Geometry, 2012 View details

4. Trigonometry

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Exercise 82 Page 577

You can solve for the variable by using the Properties of Equality.

25.7

Practice makes perfect

To solve the proportion, we will start by using the Properties of Equality in order to isolate the variable. Then we will simplify the obtained expression.

2.14=x/12

MultEqn

LHS * 12=RHS* 12

2.14* 12=x

Multiply

25.68=x

RearrangeEqn

Rearrange equation

x=25.68

RoundDec

Round to 1 decimal place(s)

x≈ 25.7