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

DOES ANYONE READ THIS STORY IN 9th GRADE "when Mr. pirzada came to dine"
DeShawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice
can anybody please help me fill in these blanks?? thank you so much if u can!
Given the two similar triangles, how do I find the missing length? If a=4, b=5, and b'=7.5 find a'
After the and pad aer attached to the victim bare chest the aed detect ventricular fibrillation what is the next step when using an aed
can you please answer 24 and 25??
GUYS I NEED HELP ASAP!!!!!!!!!!!!!Graded Assignment Grade 8 Checkpoint 2, Part 2 Answer the questions below. When you are finished, submit this assignment to yo
x + y = 5 ; x - y =3 solve using linear combination
Please help me! I really need to get this right before 9. Please prove the divisibility of 7^6+7^5-7^4 by 11. Use factoring so you get a number times 11. Just p
what is 1.14% of 6.39 billion