Algebra Properties and Proportions

A 30-inch segment is cut into two parts whose lengths have the ratio 3 to 5. Find the length of the shortest part.

11.25

Two complementary angles have measures in the ratio of 1 to 5. Find the measure of each angle.

15 and 75

The extremes in the proportion 3/4=15/20 are

3 and 20

if 9 : x = x:4, then x = _____.

6

10/7 = x/5 Which of the following equations could be used to solve for the value of x?

7x = 50

All of the following proportions are equivalent except

a/d=c/b

The perimeter of a triangle is 48 inches and the sides are in the ratio of 3:4:5. Find the length of the longest side.

20

1:2 = 4:8 The product of both the means and the extremes is

8

Find the value of x in this proportion. (x+3)/6 = 5/4

9/2

A proportion is an equation that states two _____ are equal.

ratios