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 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

purpose of boiling chip
In Florida, if you have a learner's permit, you may only drive during ________________ for the first three months. The hours of 8 a.m. and 1 p.m. School day
The ordered pair of the x -intercept has a zero for the x -value. TrueFalse
The perimeter of the original triangle is 48 inches. What is the perimeter of the reduced triangle? ((the answer that i put in is INCORRECT, but I want to know
In 1550, spain abolished the encomienda system and replaced it with a new repartimiento system. identify the key characteristics of the repartimiento system.
Pleas help me and answer ASAP
Describe how to transform the graph of f into the graph of g. (1 point) f(x) = x4 and g(x) = -x4
What is the mass of the shorter bar?
What factors allowed america to win the war for independence?
Cuando llegas a otro país es necesario pasar por la _________ si tienes algo para declarar.