Homework Review Flashcardizz 1/6-1/10

Front

What is the equation for calculating hourly earnings if Joe earns $15 per hour?

Back

y = 15x, where y is total earnings and x is hours worked.

Front

What is a scale factor in a drawing?

Back

A scale factor is a ratio that compares the dimensions of a drawing to the actual dimensions. For example, a scale factor of 1:24 means 1 unit in the drawing represents 24 units in reality.

Front

How do you find the number of dogs if the ratio of cats to dogs is 3:5 and there are 56 animals in total?

Back

Let the number of cats be 3x and dogs be 5x. Then, 3x + 5x = 56. Solving gives x = 7, so dogs = 5x = 35.

Front

What is the sum of angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

How do you calculate the circumference of a circle?

Back

Circumference = π × diameter. For a diameter of 9.5 inches, C = 3.14 × 9.5.

Front

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

Back

Area = length × width.

Front

What is the relationship between diameter and radius?

Back

The radius is half the diameter. If the diameter is d, then radius r = d/2.

Front

How do you convert feet to inches?

Back

Multiply the number of feet by 12, since there are 12 inches in a foot.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What is the formula for finding the volume of a cylinder?

Back

Volume = π × radius² × height.