Franie211 Franie211
  • 15-01-2019
  • Mathematics
contestada

Which equation is true when k= -15

A) 3k - 11 = -34
B) - 53 + 4k = 7
C) k/3 + 17 = 12
D) k/5 + 2.5 = 0.5

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 15-01-2019

Answer:

B) - 53 + 4k = 7

Step-by-step explanation:


Substitute k=15 into each equation

A) 3k - 11 = -34  

3(15) -11 = -34

45 -11=-34

34 = -34

not true

B) - 53 + 4k = 7

-53 +4(15) =7

-53 +60=7

7 =7

true

C) k/3 + 17 = 12

15/3 +17 =12

5+17 =12

22 =12

False

D) k/5 + 2.5 = 0.5

15/5+2.5 =.5

3 +2.5 =.5

5.5 =.5

False

Answer Link
adrianar11
adrianar11 adrianar11
  • 19-05-2020

Answer: B -53+4K=7

Step-by-step explanation:

Answer Link

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