Normarae Normarae

03-10-2018
Mathematics

contestada

The area of a rectangle is 216 square inches. If the perimeter is 60 inches, find the length and width of the rectangle

Respuesta :

vtorres61 vtorres61

04-10-2018

A=Lw

P=2L+2w

216=Lw

W=216/L...substitute to Perimeter equation

60=2L+2(216/L)

60L=2L^2 + 432

2L^2-60L+432=0

2(L^2 - 30L + 216)=0

2(L-18)(L-12)=0

L=12, W=18 or L=18, W=12

Answer Link

Otras preguntas

The medical term for an enlarged spleen is a. splenmagaly. b. spleenomegaly. c. splenomagaly. d. splenomegaly.

aye whats a ------- ?

What convinced the communists to end the korean war??

⦁ List two reasons why newspapers, online and offline, are struggling to survive.

How do extraneous solutions arise from radical equations?

Which European country laid claim to Brazil? A.Spain B.Portugal C.England D.France

which process tends to occur more quickly natural selection or artificial selection, why do you think is so?

A tree farmer has 637 trees planted in 7 fields. Each field has the same number of trees. How many trees are planted in each field? Jody solved this problem. S

whats 14.682 rounded to the nearest whole number

What change, if any, should be made to the following sentence? Fierce peregrine falcons competed to capture Harvey, the woman's pet parakeet, who had escaped f