(giving brainiest) tell how you solved the question

1 answer:

5 0

Answer:

Step-by-step explanation:

4000

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Maurinko [17]

Answer:

Step-by-step explanation:

$S_{31} = 9 \cdot 31 + [-0.5 \cdot \frac{31(31-1)}{2}] = 46.5$

$S_{40} = 40 + [-3 \cdot \frac{40(40-1)}{2}] = -2300$

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3 years ago

ale4655 [162]

2 is the common difference

3 0

2 years ago

Semenov [28]

Answer:

$42.09

Step-by-step explanation:

1. multiply the cost per gallon (3.45) by the gallons purchased (12.2)

3.45*12.2 = 42.09

6 0

2 years ago

N76 [4]

The answer to your question is b.

8 0

3 years ago

notsponge [240]

X=3 Y=4 is your answer

6 0

3 years ago