warmup (11/5 ) Plus

Front

What is the formula to calculate miles per hour (mph)?

Back

Miles per hour (mph) = (Distance in miles) / (Time in hours)

Front

How do you calculate the area of a circle?

Back

Area = π * (radius^2)

Front

If a pizza has a radius of 8 inches, what is its area?

Back

Area = π * (8^2) ≈ 201.06 square inches.

Front

What is the rate of work if Talia can bake 2/5 of a cake in 1/5 of an hour?

Back

Rate = (Amount of work) / (Time) = (2/5) / (1/5) = 2 cakes per hour.

Front

How do you simplify the expression 9a - 9b - 16b + 15a?

Back

Combine like terms: (9a + 15a) + (-9b - 16b) = 24a - 25b.

Front

What is the relationship between distance, rate, and time?

Back

Distance = Rate x Time.

Front

How do you convert minutes to hours?

Back

To convert minutes to hours, divide the number of minutes by 60.

Front

What is the area of 4/5 of a pizza with an area of approximately 201.06 square inches?

Back

Area eaten = (4/5) * 201.06 ≈ 160.85 square inches.

Front

What is the formula for the area of a sector of a circle?

Back

Area of sector = (θ/360) * π * (radius^2), where θ is the angle in degrees.

Front

How do you find the measure of an angle in a triangle if you know the other two angles?

Back

Use the triangle sum theorem: The sum of the angles in a triangle is 180 degrees.