tonythegoat16 tonythegoat16
  • 01-12-2019
  • Mathematics
contestada

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

Respuesta :

spark10 spark10
  • 01-12-2019

Answer:

width = 5

length = 15

Step-by-step explanation:

width: x

length : 3x

x + 3x + x + 3x = 40

8x = 40

x = 5

width = 5

length = 15

Answer Link

Otras preguntas

Amanda does her homework 92% of the time. Over the course of the year, she completed 138 assignments. How many pieces of homework has she been assigned?
Directions: Write a sentence that includes a pair from the words above. Then identify a pair of analogies of your own and write a sentence using that pair of an
How many neutrons does carbon 16 have.
The Amazon rainforest is a complex ecosystem with high biodiversity. Using the information you have read, what do you think biodiversity means. A. the number o
what is the square root of 45 over 20
When a model experiences a consequence, those watching the model experience __________. A. Social consequences B. Modeled behavior C. Vicarious consequences D.
Prove that (vectors) (i) a × (b × c) + b × (a × b) = 0 (ii) [b × c − c × a − a × b] = [a b c]²​
Us constitution was signed how long ago.
At the end of his life, Joe McCarthy was which of the following? A. a communist B. an alcoholic C. a hero
6. A house was purchased for $450 000. (2 marks) Three years later, the house was sold for 124% of its purchase price. What was the selling price of the house?