paigedomino paigedomino

01-10-2019
Mathematics

contestada

The length of a rectangle is 3 times the
width. If the perimeter is 40 cm, find the
length and width.

help me please Pre-Algebra

The length of a rectangle is 3 times thewidth If the perimeter is 40 cm find thelength and widthhelp me please PreAlgebra class=

Respuesta :

marabu78 marabu78

02-10-2019

Answer:L= 3W

Perimeter = 2(l+w) = 40

2(3w+w) = 40

2*4w = 40

8w =40

w = 5

l = 3*5 = 15

Hope I helped

Answer Link

Otras preguntas

the product of two consecutive even positive integers is one hundred twenty. fined the integers

Which one of these statements best describes the concept of form as it's used in design? A. The concept of form refers to art objects, while shape refers to fu

The length of a garden is 125% of its width. If the width of the garden is 8 meters, what is the area of the garden

Why are two Houses of Congress a good places to discuss issues that might require new laws

Which process is not included in heterotrophic nutrition? *?

Males and females (ages 13–18) were surveyed to choose a favorite free-time activity: playing computer games, listening to music, or watching movies/TV. The sur

Lewis terman's colleague, melita oden, continued to study terman's gifted children after they had reached adulthood. oden compared the 100 most successful men (

I GIVE BRAINLIEST..What evidence supports that the surface of the Earth has changed over time?

Trailer will be used to transport 40 kg crate to store. The greatest amount of weight that can be loaded onto the trailer is 1050kg backspace. A 250 kg crate h

In the false-beliefs task, children observe big bird leave a toy in one location and cookie monster move the toy to a different location while big bird is somew