kpopsaranghae kpopsaranghae

02-11-2018
Mathematics

contestada

The length and width of a rectangle are 7 cm and (x-8) cm respectively. Find the value of x if the area with of the rectangle is 42 cm squared.

Respuesta :

popholmes16 popholmes16

02-11-2018

to find the area of a rectangle is LxW=A

plug in the given numbers you have

L = 7

W = x-8

A = 42

7 * x-8 = 42

7x-56= 42

solve for X

Answer Link

Otras preguntas

Plot A(2,3) and B(2,5). What is the midpoint of points A and B?

Solve The Equation. 6x-6= -9(4x-1/3)

With a $230,000 annual profit achieved from a $2,000,000 investment, the return on investment (ROI%) for a business would be

Solve the inequality

Graph: f(x) = -√x Step 1: Evaluate the function to find three points. f(0) = -1 0 1 -2 2 1 -2 9 y 2 6 x x y

Marvin drove 310 miles in 5 hours. At this same rate, how far could he travel in 2 hours? a. 105 miles b. 124 miles c. 155 miles d. 170 miles e. 200 miles

96 members are going to pass a resolution to select a team leader. If 1/6 of the members voted in favor and 2/5 of the members voted against how many did not vo

A group is selling chocolate-covered pretzels for 6 dollars per container and kettle corn for 8 dollars per container. They want to sell at least $2,800 in item

at the market opening, a customer purchases 200 shares of an S&P 500 inverse etf (-1x) at $50 per share. At the end of that day, the s&P 500 index decli

I went shopping for a new car. the suggested manufacturers price is $26,985. With discounts for first time car buyer, being a college graduate, and the Labor Da