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Algebra - Practice Problems

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Algebra Problems - 1. Population of Mexico. In 2004 the population of Mexico was 106.5 million. If Mexico's population continues to grow at an annual rate of 1.43%, then the population in 2015 will be 106.5(1.0143)11 million. ...

2. Forensics. A forensic scientist uses the expression 72.6 _ 2.5T to estimate the height in centimeters of a female with a tibia of length T centimeters. If a female skeleton ...

3. Recovering golf balls. Susan and Joan are diving for golf balls in a large water trap. Susan recovers a golf ball every 0.016 hour while ...

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Neat, Step-by-step solutions for the following algebra, which range from forensics to golf.

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Algebra Problems

Given expression = -36/30 = -6/5

Given expression = [3 - (-2)] [3 + |-2|] = [3 + 2] [3 + 2] = 5 * 5 = 25

Given expression = 8 - 3|5 - 16 + 1| = 8 - 3|-10| = 8 - 3(10) = -22

Given expression = |6 - 21| + |7 - 3| = |-15| + |4| = 15 + 4 = 19

Population of Mexico. In 2004 the population of Mexico was 106.5 million. If Mexico's population continues to grow at an annual rate of 1.43%, then the population in 2015 will be 106.5(1.0143)11 million.

a) Find the predicted population in 2015 to the nearest tenth of a million people.

b) Use the result of Exercise 125 to determine whether ...

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