The Moore family’s backyard is shaped like a trapezoid as shown. The area of the backyard is 8,580 square feet. What is the perimeter of the yard? Explain how you found your answer.

See Explanation

Step-by-step explanation:

Your question do not have enough details for it to be answered. I will solve your question on a general terms using the attached image of a trapezoid

Given

From the attachment, we have:

--- height

The perimeter (P) of a trapezoid is:

Substitute values for AD, BC

Collect Like Terms

Next, is to calculate the lengths of AB and CD or the sum: AB + CD

The area of a trapezoid is:

Substitute values for Area and h

Multiply both sides by 2

Divide both sides by 60

Substitute 286 for AB + CD in:

The perimeter of the backyard is 466ft.

The above steps should give you a hint on how to solve your actual question.

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

the answer would be 150 books

step-by-step explanation:

if you divide 300 by 2 you will get 150