agagnie agagnie

04-02-2020
Mathematics

contestada

The length of a rectangle is three times its width. Find the area of the rectangle if its perimeter is 14 cm.

Respuesta :

27leejaey 27leejaey

21-05-2021

Answer:

15

Step-by-step explanation:

L= 3W

Perimeter = 2(l+w) = 40

2(3w+w) = 40

2*4w = 40

8w =40

w = 5

l = 3*5 = 15

Answer Link

Otras preguntas

What can you conclude from the numbers ofbills submitted and the numbers of bills passed in Congress?

Write an equation in slope-intercept form for the line containing the giving points (10,2) (2,-2)

There is a line that includes the point (7,5) and has a slope of 1. What is its equation in slope-intercept form?

Brandon claims that he cannot find between three fourths and three fifths because they are “right next to each other.” How should you respond?

from 74 hours to 85 hours find each percent change to the nearest percent if state if it's an increase or decrease

In the diagram above, angle 1 = 2x+20 andangle 2 = 3x+10. Find the measure of angle 1.

g(x) = 3x3 - 28x2 + 29x + 140; x + 7

What is cilia and scourges in biology?

What is the logic 32+2 +24=63+ 5=

Which of the statements below is not a correct part of collision theory? a. Reactant molecules must have some minimum amount of energy to react. b. Every time