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Form a sequence that has two arithmetic means between -1 and 59.

a. -1, 29, 29, 59
b. -1, 19, 39, 59
c. 19, -1, 59, 39
d. -1, 14, 29, 44, 59

Please select the best answer from the choices provided


a) A
b) B
c) C
d) D

Respuesta :

frika

Answer:

Correct choice is B

Step-by-step explanation:

For the numbers -1 and 59, find the difference 59-(-1):

since 59-(-1)=60 and [tex]\dfrac{60}{3}=20[/tex] (two arithmetic means tells you there will be three intervals), two arithmetic means will be

  • -1+20=19;
  • 19+20=39.

The only correct sequence is -1, 19, 39, 59.

Answer:

b.

-1, 19, 39, 59

Step-by-step explanation: