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3 years ago

7

Five friends go out to dinner together. The meal comes to $80. Each freind contributes the same amount of money to pay the bill.

how much did they each spend.

2 answers:

IgorC [24]3 years ago

5 0

Each person will contribute $16 to the bill

mafiozo [28]3 years ago

3 0

They each spent 20 dollars

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The sum of the first 12 terms of a geometric sequence with 10 as the first term and a common ratio of 0.3 is __________.

BaLLatris [955]

Answer: 14.2638366937

Step-by-step explanation:

A geometric sequence is a sequence in which each term is multiplied by a number, called the common ratio, to get the next term.

So, if the first term of the geometric sequence is 10 and the common ratio is 0.3, the sequence would be 10, 0.3(10), 0.3 x 0.3 x 10... and so forth. This becomes:

10, 3, 0.9, 0.27, 0.081, 0.00243, 0.00729, 0.002187, 0.0006561, 0.00019683, 0.000059049, 0.0000177147...

You add these first 12 terms to get 14.2638366937.

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2 years ago

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3 years ago

Read 2 more answers

What is 3x-9-5x=-7 if you solve for x

deff fn [24]

3x-9-5x = -7

combine like terms -9-2x = -7

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