samanthar0617
samanthar0617 samanthar0617
  • 21-12-2018
  • Mathematics
contestada

Evaluate 2(10 - d) + f, when d = 7 and f = -3.
A. -2
B. 3
C. 9
D. 20

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 21-12-2018

Answer:

B. 3

Step-by-step explanation:

2(10 - d) + f

d = 7 and f = -3

Substitute these value in

2(10 - 7) + -3

2 * (3) -3

6 -3

3

Answer Link
gmany
gmany gmany
  • 21-12-2018

Put the values of d = 7 and f = -3 to the expression 2(10 - d) + f

Use PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

------------------------------------------------------------------------------

2(10 - 7) + (-3) = 2(3) - 3 = 6 - 3 = 3

Answer: B. 3

Answer Link

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