How to find the area and perimeter of a rectangle

in a rectangle, the ratio of the width to the length is 4:5. if the rectangle is 40 centimeters long, find its width.

Which expression is equal to X^4/3*x^1/3? A. x^4/9 B. x^5/3 C. x^5/3 D. x2/3

the city park department is planning to enclose a play aea. one side of the area will be against an existing building, so no fence is needed there. find the dimensions ofthe maximum rectangular area that can be enclosed with 800m of fence

There are 3 consecutive even numbers. the sum of the first number and 2 times the third number is 46 more than the second number. what is the third number

Complete the factoring 2y+30=2 ()

When a higher confidence level is used to estimate a proportion and all other factors involved are held constant

Naomi needs 2 cups of sugar for a cake she is baking she only has a 1/4 cup measuring cup how many times will Naomi need to feel the measuring cup to get 2 cups of sugar

Roxanne is measuring the diameter and the radius of different-sized circles. There is a proportional relationship between the radius of the circle in inches, x, and the diameter of the circle in inches, y.

Mr. Inderhees wrote an equation and the first step of his solution process, as shown. 15 = - 5 + 4x 20 = 4x Which math operation did Mr. Inderhees apply in his first step? A. He divided 15 by 5. B. He added 5 to each side of the equation. C.

Suppose you have 54 feet of fencing to enclose a rectangular dog pen. the function a = 27x - x2, where x = width, gives you the area of the dog pen in square feet.