10x+4x-15=145 What is x?
2 answers:
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Since this is a geometric series, let's use the sum to n terms of a geometric series given by:
, where a is the first term, r is the common ratio, and n is the number of terms.
We know that a = 1
Common ratio (r): 2
Num. of terms: 10
Plugging it all into the equation, we produce:
Thus, the summation is 1,023
We know that a = 1
Common ratio (r): 2
Num. of terms: 10
Plugging it all into the equation, we produce:
Thus, the summation is 1,023
