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

This state has the "World's Tallest Living Christmas Tree?" Maine or California?
pleasr help me 5u + 3v + 6u - v = ?
An author uses sensory images and symbols to __________. evoke emotion and create meaning expose basic beliefs of the author distract attention away from the co
find three consecutive even numbers whose sum is 96?
Which of the following would a local Government address? Coining Money New Post Office Theft from a store Changing marriage laws
A solution is prepared by dissolving sugar in water. The solution is 25.0%, by mass, sugar. How many grams of WATER are in 472 grams of this solution?
The area of a rug is 4 15/32 square meters . The rug is 2 3/4 meters in length .How wide is the rug?
The product of the synthesis reaction between sodium and chlorine gas is ?
The diameter of a u.s quarter is 24.26 millimeters. How long is a line of 37 quarters laid edge to edge?
When a newly formed cell enters into interphase and begins conducting metabolic functions, it is in _____.