babysaez736 babysaez736
  • 25-08-2017
  • Mathematics
contestada

The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. what are the dimensions of the rectangle

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 25-08-2017
P=2(L+W)
P=24
24=2(L+W)
12=L+W

Length is 3 greater than width
L=3+W
subsitute
12=3+W+W
12=3+2W
minus 3
9=2W
divide by 2
4.5=W

sub back
L=3+W
L=3+4.5
L=7.5


the rectangle is 7.5cm long and 4.5cm wide
Answer Link
mmxotwod mmxotwod
  • 03-05-2019

Answer: 7.5cm long and 4.5cm wide

Step-by-step explanation:

Answer Link

Otras preguntas

What is the volume of the cylinder below?
Which statements comparing the functions are true? Select three options. Only f(x) and h(x) have y-intercepts. Only f(x) and h(x) have x-intercepts. The minimum
What prior knowledge can you apply to this passage? People can change—but they don’t always like it Humans are amazing in how adaptable they can be to new situa
list some things I could spend a million dollars on.. doing a math worksheet and I can’t think of things.. help!
la You spend some time in the kitchen making sure the recipe is just right for the cooking show. You spend 2 3/4 hours baking and half of an hour cleaning up th
Explain y that’s your answer
How did the average annual earning change from 1900-1909?
Given a cylinder with a radius of 5cm and a height of 8 cm, find the volume of the cylinder. Use 3.14 for T. 0 251.2 cm3
WILL GIVE BRAINLIST C C C C C
Dr. Harriett uses the functions f(x)=x2+2x−3 to find the area of her flower bed and g(x)=4x2+6x+8 to find the area of her garden. Which function shows t(x) the