3 years ago

Find an explicit formula for the arithmetic sequence 170, 85, 0, -85

Mathematics

2 answers:

Sergeeva-Olga [200]3 years ago

7 0

The formula is y=85x because if you measure the distance between all the numbers you get 85.

tangare [24]3 years ago

4 0

Answer:

170-85(n-1)

Step-by-step explanation:

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3 years ago

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Andreyy89

Answer:

[?] = 4

(the complete term is $4\frac{1}{2}\ \text{cups}$ )

Step-by-step explanation:

$8\ \text{cups} - 1\frac{1}{3}\ \text{cups} - 2\frac{1}{6}\ \text{cups} = (8-1-2)\ \text{cups} + \frac{-\frac{6}{3} - 1}{6}\ \text{cups} = 5\ \text{cups} + \frac{-3}{6}\ \text{cups} = 5\ \text{cups} + \frac{-1}{2}\ \text{cups} = 4\ \text{cups} + \frac{2 - 1}{2}\ \text{cups}$