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 would you NOT include in a memo addressing your recommendations? Inmates serving short sentences may be released to reduce overcrowding.
what is radioactivity????​
How old does a dog have to be to get a rabies shot?.
help on math people i need help i am stuck
Deadlock at the 1924 Democratic National Convention resulted in the nomination of John W. Davis, who lost decisively to ______.
The population of Country A is about 1,070,000 and the population of Country B is about 10,459,000. Approximately how many times greater is the population of Co
Pythagorean Theorem - Distance Formula - Item 20760 Questior Find the distance between the points (-5, -4) and (3, 1)
HELP PLS ASAP THANK YOU
10. Rewrite this fraction 5/6 two different ways. Answers may include an equivalent fraction, a percent, a decimal, a mixed fraction, etc.​
Write the word formed from the following root word and suffix-'Labor + Iq'