squashcampbell
squashcampbell squashcampbell
  • 03-05-2022
  • Mathematics
contestada

The length of a rectangular floor is two ft more than its width. If the area of the floor is 63 ft, find the length and the width of the floor.​

Respuesta :

yamunasasidharan0808
yamunasasidharan0808 yamunasasidharan0808
  • 03-05-2022

Answer:

width = 7 and length = 9

Step-by-step explanation:

Let's assume width = w, and length = 2 + w

So area of a rectangle = width * length

63 ft² = w (2 + w)

63 = 2w + w²

w² + 2w - 63 = 0

Use the quadratic formula to solve this

here, a = 1, b = 2 and c = -63

w = 7 or -9

The dimensions of a rectangle cannot be negative. So we take the dimension, w = 7.

Width = 7 and Length = 7+2 = 9

Ver imagen yamunasasidharan0808
Answer Link

Otras preguntas

a piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4 Work out the length of the longest piece
Why was there growing involvement of the USA in Europe in the years 1945-48 ??
What is the electron configuration of helium
what is the sum of 6 7/8 + 4 5/8
The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?
what is the cubic root of - 250
The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?
What is the electron configuration of helium
copy this figure onto grid paper. draw line to divide the figure into 4 congruent polygons. how do you know the ploygons are congruent
In little Marsden the population is 17 222. The men and women together total 9142 and the women and children together total 13 201. There are ...... Women There