The area of a rectangular wall of a barn is 75 75 square feet. its length is 10 10 feet longer than the width. find the length and width of the wall of the barn.

Question

31-07-2017
Mathematics

contestada

The area of a rectangular wall of a barn is 75 75 square feet. its length is 10 10 feet longer than the width. find the length and width of the wall of the barn.

Respuesta :

Otras preguntas

Consider the economy of Burgerland, which only produces hamburgers. If the velocity of money is 25, the price of a hamburger is $5, and the quantity of money i

When a "bubble" arises, asset prices are driven by: Select one: a. policymakers. b. changes in aggregate demand and aggregate supply. c. shifts in money growth

You are a contestant on Jeopardy! and it is your turn. You say to Alex, "I'll take Ancient Explanations of Mental Illness for $100." The answer is, "His was the

The material chosen for your study group a. Should be chosen by the teacher b. Should be decided upon before the group meets C. Should be material you all alrea

Studio Films is considering the purchase of some new film equipment that costs $150,000. It has a 5 year useful life with no salvage value. The new equipment is

− 3 y − 5 x 3 + 6 + 2 − 4 y + 5 y + 6 x 3 −3y−5x 3 +6+2−4y+5y+6x 3

The Allowance for Bad Debts account has a credit balance of $ 3 comma 000$3,000 before the adjusting entry for bad debts expense. The company's management esti

"You never really understand a person until you consider things from his point of view--until you climb into his skin and walk around in it."Please analyze the

Three workers can load a truck in 8 minutes. How many workers need to join this team so that they can load that truck in 6 minutes?

texaschic101 texaschic101 · Answer 1 · 2017-07-31T06:43:28+02:00

texaschic101 texaschic101

31-07-2017

A = L * W
A = 75
L = W + 10

75 = W(W + 10)
75 = W^2 + 10W
W^2 + 10W - 75 = 0
(W + 15)(W - 5) = 0

W + 15 = 0
W = -15...not this one because it is negative

W - 5 = 0
W = 5 <=== width is 5 ft

L = W + 10
L = 5 + 10
L = 15 <=== length is 15 ft

Answer Link