joshuajose003
joshuajose003 joshuajose003
  • 23-04-2020
  • Mathematics
contestada

The width of a rectangle is 7 inches shorter than its length. The area is 78 square inches. What are the dimensions of the rectangle?

Relax

Respuesta :

Аноним Аноним
  • 23-04-2020

Answer:

Step-by-step explanation:W = L - 7

WL = 78

(L-7)L = 78

L^2 - 7L - 78 = 0

Factorize: (L-13)(L+6) = 0

L = 13 or -6

A length cannot be negative, so the length must be 13 miles.

The width is 13-7 = 6 miles.

Answer Link

Otras preguntas

What is an equivelent expression for 4(x+5)+2(x+3)
Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. If he wants to fill it to a depth of 4in., how many cubic yards of dirt does he nee
How can you do this question about standard form?
The numbers 7, 24, and c are a Pythagorean triple. What is the value of c?   A. 31
A DNA segment is changed from -AATTAG- to -AAATAG-. This is a_______.
"Solving Equations by Completing the Square: m^2+2m-48=-6
"Solving Equations by Completing the Square: m^2+2m-48=-6
if measure of the angle fhg is 61 degrees, what is measure of angle fpg (on a circle)
why were roads significant to the roman republic and ancient cultures and religions of the same time period
whats a good introduction and thesis statement for a drug abuse essay?