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

If 604-72=___,then 532+___=604.Explain the process of checking your work.

simplify expression.-3(k-4)-4(2k-8)

List the perfect squares between 100 and 500 that are even numbers

hey guys i know this seems long but i really need the help so plzz]Step 1: Write five word phrases to be translated using the various key terms from the lesson.

How do three planes intersect at one point?

All of the following are true about Latinos’ experiences in World War II EXCEPT (A) unlike African Americans, Latinos fought in integrated units (B) Latino you

Tasha believes that she can rewrite the difference 120 - 36 as a product of the GCF of the 2 numbers and another difference. Is she correct?

How do you know when to use L'hospital's rule?

How do you know when to use L'hospital's rule?

Deathvalley has an elevation of -282 feet to sea level explain how to use absolute value to describe the elevation of death valley as a positive integer.