chloemarie209 chloemarie209

19-01-2015
Mathematics

Answered

The length of a rectangle is 2 cm less than 7 times the width. The perimeter is 60 cm. Find the width and length.

Answer :

macio06 macio06

19-01-2015

Lets assume width=x. Then lenght its 7*x-2
We know that perimeter its 2*length+2*width=60
Now we substitute our x and 7x-2
2*(7x-2)+2x=60
14x-4+2x=60 /+4
16x=64 /:16
x=4 - its the width
7*x-2, where x=4
28-2=26 - length

Answer Link

Other Questions

What is the difference between constructive criticism and destructive criticism, and how can feedback be delivered effectively to address conflicts without caus

Conflent of MicromedFoundationQUESTION 1/10What is the best strategy to avoid paying interest on your credit cards?A. Pay the minimum balance each month.C. Pay

1. Shawna designed a dartboard. She started with a grey circle, then painted a white circle on top of that in the middle, and then painted a black circle on top

Which type of asset inventory involves keeping track of physical items using bar codes or RFID?A. Software Asset B. Inventories Hardware C. Asset Inventories D.

The main difference between bacterial chromosomes and eukaryotic ones is that eukaryotes have linear chromosomes. How does the shape of the chromosome affect th

A gạod research company will not only present the findings to the team but will also present which of the following?a. follow-up research ideasb. next steps to

_______ is a/are a great example of a secondary hazard from an earthquake.A. SubductionB. AftershocksC. Lateral spreadD. UpliftE. Tsunamis

Aids is an immunodeficiency dieses. a. True b. false

Areas that are ripe for reporters to investigate the backgrounds of public figures include the following: Group of answer choices A. Have they been charged or c

According to Clyde Wilson, what would be another term to describe "Whig" history? a. Conservative b. Ancient c. Progressive d. Complicated