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

there are ____________ different types of brain waves. the absence of brain waves is a medical criterion to determine ____________ .
I need help with this math sheet
A function that returns an integer value grater than 0 is called a boolean function. Select one: True False Question 2 Not yet answered Marked out of 1.00 Not f
2) About how many students do not prefer non- fiction? A. 60 B. 75 C. 100 D. 150 E. 180
Combine like terms. 6x + 4 – 3x + 5
I need help understanding this, help me please :)
Which triangles are similar to ABC?
How many reactions can enzymes catalyze?
Please Put the answers here for the poem 3740166701 by Adrian McDonald! (It’s urgent please)
Which numbers will round to 3.75 when rounded to the nearest hundredth and will round to 3.7 when rounded to the nearest tenth