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

The United States did not get involved with Japan. True False

a shopper bought shoes marked $40. the sales tax rate is 5%. how much is the sales tax

which of the following sets of data would be represented best in a bar graph? A) the number of hot dogs consumed by the people entered in a hot dog eating conte

Is 24/33 and 39/49 an equivalent ratio ?

PLZ HELP WILL GIVE BRAINLISET IT 8TH GRADE MATH HELPPP(6.05)A group of students were surveyed to find out if they like babysitting and/or mowing lawns to earn s

list the names and accomplishments of 2 women's rights reformers from the 1800's

why did the delegates maintain secrecy about there work with the constitutional convetion?

______ occurs because the proceeds from a short-term investment need to be reinvested at a future interest rate that is uncertain.

to the nearest tenth, what is the length of the hypotenuse of an isosceles right triangle with leg of 7 sqrt 3 inches a) 15.7 inches b) 16.2 c)17.1 d) 18.5

Write a real world problem that involves finding the area is two circles