brooksmcdowell brooksmcdowell

30-01-2022
Mathematics

contestada

The area of a rectangular room is 238 square feet. The width is 3 feet less than the length. What are the dimensions?

Respuesta :

Eyadaqrabawi Eyadaqrabawi

30-01-2022

rectangular area = width * length = 238 ft²

width = length - 3

consider length = x

width = x -3

238 = x *(x-3)

238 = x²-3x

x²-3x-238=0

(x-17)(x+14)

x = - 14 we dont use it because dimensions cant be negative

x = 17

length = 17 ft

width = 14 ft

Answer Link

Otras preguntas

how many pence are there in twenty three pounds

The two conditional relative frequency tables below show the results of a survey asking students whether they are taking a foreign language or not. A 4-column t

Help the Rossis understand how it is that Kai has NF1. Did he acquire it from them, or, was his case spontaneous? Explain your reasoning and, in your explanatio

8 nickels 12 pennies?

#5 promote(s) sodium retention. A. Cortisol B. Androgens C. Glucocorticoids D. Mineralocorticoids

Two identical twins, Sallie and Serena, are playing one December on a large merry-go-round (a disk mounted parallel to the ground on a vertical axle through its

Eight out of 32 students in the class wear glasses. What is the probability that the first student who walks out of the class will be wearing glasses?

14. Identify the prepositional phrase in the following sentence: As you know, Sheila entered the writing contest in place of Mark, and she won first prize. O A.

why red blood cells are small in size

Mary walks to her garage. The distance to the garage as a function of time is shown in this graph A. Mary starts 8 meters from the garage. B. Mary walks 8 meter