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McGraw Hill Glencoe Geometry, 2012

MH

McGraw Hill Glencoe Geometry, 2012 View details

4. Trigonometry

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Exercise 85 Page 577

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

18.9

Practice makes perfect

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

0.74=14/x

LHS * x=RHS* x

0.74 * x=14

.LHS /0.74.=.RHS /0.74.

x=14/0.74

Now, let's simplify the obtained expression and round it to the nearest tenth if necessary.

x=14/0.74

a/b=a * 100/b * 100

x=1400/74

Calculate quotient

x=18.91891...

Round to 1 decimal place(s)

x≈ 18.9

Subchapter links

Check Your Understanding p.573

Practice and Problem Solving p.573-576

H.O.T. Problems p.576

Standardized Test Practice p.577

Spiral Review p.577

Skills Review p.577