7th Grade Semester 1 Exam 2

Front

What is the constant rate of change in speed if Avery travels 5 miles in 2 hours and 17 miles in 6 hours?

Back

3 miles per hour

Front

How do you calculate the area of a shaded region?

Back

Area = Length x Width (for rectangles) or use specific formulas for other shapes.

Front

What is the formula for the circumference of a circle?

Back

Circumference = π x Diameter.

Front

If a circular garden has a diameter of 14 m, how much fencing is needed?

Back

43.96 m (Circumference = π x 14 m).

Front

How do you calculate the percentage of a monthly income spent on expenses?

Back

Multiply the income by the percentage (e.g., $3000 x 0.40 for rent).

Front

What is the area of a quarter circle with a radius of 10 cm?

Back

78.50 cm² (Area = 1/4 x π x r²).

Front

What is the formula for finding the area of a rectangle?

Back

Area = Length x Width.

Front

How do you find the total expenses if you know the percentages spent on different categories?

Back

Add the percentages and multiply by the total income.

Front

What is the formula for the area of a circle?

Back

Area = π x r².

Front

How do you determine the remaining amount after expenses?

Back

Subtract total expenses from total income.