Slaybaby Slaybaby
  • 03-11-2017
  • Mathematics
contestada

the length of a rectangle is 5 more than twice the width. the perimeter is 130. what is the area?

Respuesta :

randgh
randgh randgh
  • 03-11-2017
L the length     W the width 

The length of a rectangle is 5 more than twice the width

L = 5+ 2W

the perimeter is equal the sum of sides =130

L+L+W+W =130

by subtitution we replace L by L = 5+ 2W

5+ 2W+5+ 2W +W+W = 130

6W= 120

w= 20              L = 5+ 2W= 5+ 40=45
Answer Link

Otras preguntas

Sam evaluated the expression x2y for x = 7 and y = 9. He got a value of 49. Which of the following statements is correct
What was the original goal of the Framers when they met at Independence Hall?  How did that goal change?
Tim solved a system of linear equations. He found that an infinite number of points satisfied the system. What do you know for certain is true about the two lin
Solve the equation for y.4x – 5y = 9
which term better describes political parties in american politics: division or unifying?
Express 230 in scientific notation
Which of the following statements is not true?"Whom" can serve as the object of a preposition."Whom" is an object pronoun."Who" and "whom" are personal pronouns
plz helpp with this french hw!
What is larger 0.6 or 3/4 explain?
How did geography influence the way the Incas ruled the empire?