RAAR 1 flashcard

Front

What is the ratio of blueberries to strawberries in a fruit salad if there are 600 blueberries and 400 strawberries?

Back

The ratio is 3:2.

Front

If the temperature outside is 18°C at 2:00 P.M. and decreases by 3.0°C each hour, what is the temperature at 8:00 P.M.?

Back

The temperature at 8:00 P.M. is 0°C.

Front

What is the formula to calculate the area of a circle?

Back

Area = π × r², where r is the radius.

Front

What is the area of a circular base with a diameter of 60 feet?

Back

The area is approximately 2826 square feet.

Front

How many millimeters are in 12 inches if 1 inch is approximately 25.4 millimeters?

Back

12 inches is approximately 304.8 mm.

Front

What is Pi (π) defined as in relation to a circle?

Back

Pi (π) is the ratio of a circle's circumference to its diameter.

Front

If a fruit salad has a ratio of 3:2 for blueberries to strawberries, how many strawberries are there if there are 600 blueberries?

Back

There are 400 strawberries.

Front

What is the temperature change if it decreases by 3.0°C for 6 hours starting from 18°C?

Back

The temperature change is 18°C - (3.0°C × 6) = 0°C.

Front

What is the diameter of a circle if its radius is 30 feet?

Back

The diameter is 60 feet.

Front

How do you convert inches to millimeters?

Back

Multiply the number of inches by 25.4.