Math College Placement Practice #2

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

How do you calculate a percentage discount on a price?

Back

Multiply the original price by the discount percentage (as a decimal) and subtract from the original price.

Front

If A represents the number of apples at 15 cents each and B represents the number of bananas at 10 cents each, how do you express the total cost in cents?

Back

Total cost = 15A + 10B

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

In the number 1794.3282, what digit is in the thousandths place?

Back

8

Front

What is the formula for calculating the area of a triangle?

Back

Area = 1/2(base * height)

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What is the definition of a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

How do you find the mean of a set of numbers?

Back

Add all the numbers together and divide by the count of numbers.