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

When and how do you use logarithms to solve exponential equations? give an example of an exponential equation that does not require logarithms to solve it and
In ____ you can use any character you like without worrying about it being misinterpreted.
Which of the following does not happen during a chemical change? A- New bonds are formed. B- The identities of the substances change. C- Compounds are broken do
Explain how you find ordered-pair solutions of the equation 3x – 5y = 15, and then find two such solutions.'
Describe the organization of our solar system. What are the different divisions, or categories?
What is a portfolio as used in the early childhood curriculum? A. A form of informal assessment that uses a collection of a child's work samples and other p
Evaluate csc(13pi/14) and cot(5pi/12) using a calculator.
Milton Friedman helped to establish the economic theory of monetarism.Which statement best describes the idea of monetarism?(A) Aggregate supply and demand can
Evaluate csc(13pi/14) and cot(5pi/12) using a calculator.
what is 5x + 2 + 3x equals ?