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

Engine 1 produces twice the power of engine 2. If it takes engine 1 the time T to do the work W, how long does it take engine 2 to do the same work? Express yo
A baseball is thrown up into the air. What direction is the acceleration of the ball?
Alex took out a 7/1 variable-rate mortgage for $140,000. The interest rate for the first period was fixed at 5.25%, and the loan was amortized over 30 years. At
45% of _____________is 165
steel is a mixture of iron and carbon.it cant be separated into iron and carbon by melting it.what is steel?
Given the equation f(t) = 225(1.23) What is the rate of growth or decay? % What is the initial value?
please help me with this question​
Mrs. Adams bought cans of pears and cans of mixed fruit. • She bought a total of 7 cans at a cost of $21.50. • Each can of pears cost $3. 20, and each can of mi
. A pair of shoes are $98.75, if the sales tax is 5%. a. Find the amount of sales tax b. Find the total amount paid
Arrange the numbers in order from least to greatest. -310, 2, -1.5, 25, 210