three arithmetic means between -43 and -19

Sagot :

Answer:

-43, -37, -31, -25, -19

Step-by-step explanation:

-43, a₂, a₃, a₄, -19

an = a₁ + (n - 1)d

-19 = -43 + (5 - 1)d

-19 + 43 = 4d

[tex] \frac{24}{4} = \frac{4d}{4} [/tex]

6 = d

d = 6

a₂ = -43 + (2 - 1)6 = -37

a₃ = -43 + (3 - 1)6 = -31

a₄ = -43 + (4 - 1)6 = -25

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