He length of a rectangle is 7 ft more than twice the width, and the area of the rectangle is 99 ft2 . find the dimensions of the rectangle.

Question

01-12-2017
Mathematics

contestada

He length of a rectangle is 7 ft more than twice the width, and the area of the rectangle is 99 ft2 . find the dimensions of the rectangle.

Respuesta :

Otras preguntas

It takes a painter and his friend 8 hours to paint a room. If the painter was working alone, it would take him 12 hours less than if his friend was working alon

In your opinion, whose professional role is it in healthcare to encourage patients to understand and take ownership of preventative medicine for themselves and

PLS HELP WITH TRIG NEED TO SHOW ALL WORK

Select all the ordered pairs that are in the solution set for the inequality graphed below. Question 2 options: (0, 0) (1, -2) (-2, 3) (1, 6)

Arithmetic or geometric 1/3, 2/3 ,1 4/3 Please help

6+ (-x) + 2x + (-7) + 2x

Find the mean of the data in the dot plot plsssss help

It took Julius 1/3 of an hour to ride his bike 2 3/4 of a mile. How many miles per hour can he ride his bike?

As the temperature of the water increases, what happens to the number of water particles in a mL (cm3)?

kritter1 kritter1 · Answer 1 · 2017-12-01T12:53:56+01:00

kritter1 kritter1

01-12-2017

Let the width be x

Length= x+7

Area=lw

99=(x+7)(x)
99=x²+7x
0=x²+7x-99
x= -14.04 or x=7.04

Since a length cannot be negative, the width is 7.04 ft and the length (7.04+7)=14.07 ft

Hope I helped :)

Answer Link