Seudónimo Seudónimo
  • 01-11-2018
  • Mathematics
contestada

the perimeter of th triangle shown is 32ft.
what is the value of x?
12 1/4 + 6 1/3 +x
A.13 5/12
B.13 5/7
C.14 5/12
D.14 5/7

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 01-11-2018

32 = 12 1/4 + 6 1/3 +x

get a common denominator for the fraction, 12

32 =  12 (1/4 * 3/3) + 6 1/3*4/4 + x

32 = 12 3/12 + 6 4/12 + x

add

32 = 18 7 /12 + x

subtract 18 7/ 12 from each side

32 - 18 7/12 = x

borrow from 32

31 12/12 - 18 7/12 = x

13 5/12 =x

Choice A


Answer Link

Otras preguntas

Which of the following is an example of human geography changing physical geography
What is the shape of this histogram
What has been on the news or what is a current event or a person that reflects empathy?
How can young people help to dismantle racism in america?
What was the American Declaration of Independence?
working alone shanice can tar a roof in 12 hours. One day her friend Kathryn helped her and it only took 5.14 hours. How long would it take Kathryn to do it alo
Four properties of water are listed. It is colorless and odorless in its pure form. It reacts with metals to form metal hydroxide and hydrogen gas. When heated
what factor would often cause a tiny frontier town to transform into a small city overnight ​
how do you graph this: x-intercept=2, y-intercept=5
In a survey of 156 pet owners, 27 said they own a dog, and 91 said they own a cat. 3 said they own both a dog and a cat. How many owned neither a cat nor a dog?