staceysucely240 staceysucely240

22-05-2020
Mathematics

contestada

A rectangular front porch has a perimeter of 30 feet. Its area is 50 square feet. What are the dimensions of the porch?

Respuesta :

Persona180 Persona180

22-05-2020

Answer:

5 ft x 10 ft

Step-by-step explanation:

2w+2l=30

lw=50

l=50/w

2w+2(50/w)=30

2w+100/w=30

2w^2+100=30w

2w^2-30w+100=0

w=5, 10

Therefore, the dimensions are 5x10

Answer Link

Otras preguntas

What is 11/14 - 1/6 = ??

Two sporting goods stores are having discount sales on basketballs. • At one store, a basketball is on sale for 20% off the regular price of .$24.95 • At th

The science club has 6 members. The club bought b bumper stickers to split among its members. Write an expression that shows how many bumper stickers each membe

what is a common denominator for 3/4 and 3/5

Find the mean of the data summarized in the given frequency distribution . Compare the computed mean to the actual mean of 57.6 Degrees. Low Temperature ( F) 4

a. Explain why the area of the large rectangle is 2a + 3a + 4a. b. Explain why the area of the large rectangle is (2 + 3 + 4)a.

What is the measure of DEF? Pls help me asap

1. The Inca were able to control an empire that stretched from modern Colombia to southern Chile. Which of their various means for achieving

Atoms from which of the following pairs are most likely to form an ionic bond? A. iron and chlorine B. bromine and iodine C. carbon and hydrogen D. calcium and

WHAT IS THE CIRCUMFERENCE OF THE BASE OF A CYLINDER