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adell [148]
3 years ago
5

Evaluate the sum of the following finite geometric series. 5+15+45 +135+ . . . + 1215 Sn=1

Mathematics
1 answer:
Nata [24]3 years ago
5 0

Answer:

1820

Step-by-step explanation:

The sum of the first n terms of a geometric series with common ratio r and first term a is:

a(1-r^n)/(1-r). Plugging this in 5(1-3^6)/(1-3)=1820

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Y(a -b) =c(y+ a); y
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8 0
3 years ago
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What equals 1050 in multiplication?
kakasveta [241]
There is multiple possibilities:

<span>1050 equals 1 times 1050

1050 equals 2 times 525

1050 equals 3 times 350

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1050 equals 7 times 150

1050 equals 10 times 105

1050 equals 14 times 75

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1050 equals 21 times 50

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1050 equals 35 times 30

1050 equals 42 times 25

1050 equals 50 times 21

1050 equals 70 times 15

1050 equals 75 times 14

1050 equals 105 times 10

1050 equals 150 times 7

1050 equals 175 times 6

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1050 equals 525 times 2

1050 equals 1050 times 1</span>
8 0
3 years ago
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