john349 john349

02-10-2017
Mathematics

contestada

The length of a rectangle is four times its width. If the area of the rectangle is 400 cm squared, find its perimeter

Respuesta :

scienceSmarite12 scienceSmarite12

02-10-2017

Length=x
Width=4x
4x•x=400 sq cm
x= 10 cm
4x= 40 cm
P=2•10cm+2•40 cm
=100 cm

Answer Link

Otras preguntas

Explain how the first three steps of scientific inquiry are related..

The highest tier in cell hierarchy is _____.

Fern ir read 5/7 of the pages in his 98 page book.how many pages does he have left?

PLEASE HELP!!! 4. Jim has only dimes and nickels in his coin bank. He has 37 coins with a total value of $2.65 in his coin bank. How many nickels are in Jim’s c

timmy has 180 marbles, some plain and some colored. if there are 32 plain more marbles than colored, how many colored marbles does he have?

Four more than the product of 23 and Gregs height. Use the variable g to represent Gregs height

I just need some basic facts about john green, thanks xxx

A total of 584 tickets were sold for the school play. They were either adult tickets or student tickets The number of student tickets sold was three times the

What is 12% of 17.5?

name three way the hopi adapted to the dry climste of the southwest