Klopez43KL Klopez43KL
  • 11-03-2015
  • Mathematics
contestada

A rectangle has a perimeter of 18cm. It's length is 5cm greater than its width. Find the dimensions.

Respuesta :

secret13 secret13
  • 11-03-2015
L = W + 5

2L + 2W = 18

2 (W+5) + 2W = 18

2W + 10 + 2W = 18

4W = 18 - 10

4W = 8 ÷ 4

~~~~~~~~~~~~~~~~~~~~~~

W = [tex] \frac{8}{4} [/tex] = [tex] \frac{2}{1} [/tex] = 2
L = 2 + 5 = 7

Width = 2 cm
Length = 7 cm
Answer Link

Otras preguntas

Which answer best summarizes how the Declaration of Independence was written? a. Five members of Congress discussed and wrote the draft together, and Thomas J
Describe the motion of charges from one terminal of a battery to the other through a flashlight.
what is the intellectual freedom?
What important element of the watergate scandal, investigation, and court cases was not converted by the constitution?
Using the side-splitter theorem, which segment length would complete the proportion? GH ? ----- = ------ HE JF
What theory states that the universe began in a violent explosion?
Which of the following atoms has the highest electronegativity? Use the periodic table to answer this question.
are 6:24 and 9:45 ratios equivalent
An electric motor has an effective resistance of 32.0 ohms and an inductive reactance of 45.0 ohms when working underload. The rms voltage across the alternatin
The term impact is used to describe the injuries caused by a struck-by hazard. a. Trueb. False