Using Formulas

Front

What is the formula to convert Celsius to Fahrenheit?

Back

F = 1.8C + 32

Front

If a cyclist travels at a speed of 10 miles per hour for 3 hours, how far does he travel?

Back

d = rt; d = 10 miles/hour * 3 hours = 30 miles

Front

What is the formula to calculate distance?

Back

d = rt (distance = rate * time)

Front

If a runner covers a distance of 5 kilometers at a speed of 10 kilometers per hour, how long did it take?

Back

0.5 hours

Front

What is the formula for the perimeter of a rectangle?

Back

P = 2L + 2W (Perimeter = 2 * Length + 2 * Width)

Front

If the perimeter of a rectangle is 40 meters and the length is 15 meters, what is the width?

Back

5 meters

Front

What is the formula for the area of a rectangle?

Back

A = LW (Area = Length * Width) or A = bh (Area = base * height)

Front

If the area of a rectangle is 45 square meters and the width is 5 meters, what is the length?

Back

9 meters

Front

What does 'rate' refer to in the formula d = rt?

Back

Rate refers to the speed at which an object is moving.

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to get the variable by itself.