mary12348 mary12348

14-10-2018
Mathematics

contestada

If the length of rectangle is three times its width and its perimeter is 24 cm,what is the lenght and with

Respuesta :

BazookaSkeleton BazookaSkeleton

14-10-2018

x=width

3x=length

3x+x=24

4x=24

4x/4=24/4

x=6

x=width=6cm

3x=length=18cm

18/2=9 cm

6/2=3cm

Length=9cm

width=3cm

because there are two length sides and 2 width sides

Answer Link

roro198887 roro198887

14-10-2018

Length = 9
Width = 3

Width:
3x + 3x + x + x = 24
8x = 24
X = 3

Length:
3(3) = 9

Answer Link

Otras preguntas

Estimate square root of 245 to the nearest hundredths place

How were the generals of Ancient Rome able to become political leaders?

need help with this plz

Filariform larva penetrates skin, enters the circulation and breaks out of the capillaries into the lung, which may cause bronchitis

What is the midpoint of a segment whose endpoints are (–4, 6) and (2, 5)? A. (-1,5 1/2) B. (0 , 4 1/2 ) C. (3, 5 1/2) D. 1 1/2

the answer is not d so I need help

Read the excerpt. The world is very different now. For man holds in his mortal hands the power to abolish all forms of human poverty and all forms of human li

Find the area of the following ellipse Use = 3.14 and round to nearest tenth. a = 8 in.; b = 7 in. area = sq. in.

what is the range of the function f(x)= square root of x-8+6

Crude oil can be separated into its consistent parts based on their boiling points. What technique uses this principle? A. Filtration B. Distillation C. Centr