MATH REVIEW 2

Front

What is the ratio of water to lemons in the lemonade recipe?

Back

The ratio of water to lemons is 3 liters of water for every 4 lemons.

Front

How do you calculate sales tax?

Back

Sales tax is calculated by multiplying the price of the item by the sales tax rate.

Front

What is the value of x if x + 2 = 4?

Back

x = 2.

Front

What is the formula for the area of a circle?

Back

The area A of a circle is given by the formula A = πr², where r is the radius.

Front

What are complementary angles?

Back

Complementary angles are two angles whose sum is 90 degrees.

Front

If a watch costs $75.99 and the sales tax is 6.25%, what is the sales tax amount?

Back

The sales tax amount is $4.75.

Front

What is the area of a circle with a radius of 32 meters?

Back

The area is approximately 3,215 m².

Front

If the sum of two complementary angles is 90 degrees, what is the value of one angle if the other is 60 degrees?

Back

The value of the other angle is 30 degrees.

Front

How do you find the total area covered by a rotating object like a wind turbine blade?

Back

Use the formula for the area of a circle: A = πr².

Front

What is the sales tax on a $100 item with a 6.25% tax rate?

Back

The sales tax is $6.25.