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

What is -9/10 as a fraction
06.08 Short Reflective WritingUse your art historian skills to respond to the prompt:Describe elements shown in the provided work and how they are characteristi
What is it called when we play two or more intervals at the same time? A. major scale B. chord C. melody D. stepwise motion
A vigilante was someone who looked for gold, but knew nothing about mining.
Is humankind inherently good or evil Help please
Evaluate the expression 3× 2t if t equals 4
The angles of a triangle are 5x°,7x° and 60° find the value of x​
I WILL GIVE BRAINLIEST Suppose that is $1200 initially invested in an account at a fixed interest rate, compounded continuously. Suppose also that, after six ye
how much money do you have when you pay 500 dollars every two weeks for a month?
_Na +_Cl2 → __Naci How many moles of NaCl are created from 1.5moles Na?