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mafiozo [28]
3 years ago
9

ANYONE KNOW THIS ?? i'll give u brainliest and 15 points. pls show work

Mathematics
2 answers:
ankoles [38]3 years ago
7 0

Answer:

Your answer would be 35.

Step-by-step explanation:

2x + 30 =60

3x + 15 =35

60 - 35 = 35

aliina [53]3 years ago
3 0

Answer:

15 or 4

Step-by-step explanation:

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Find the 7th term of the geometric sequence a3 =128,r=-1/4
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Answer:

Step-by-step explanation:

The general formula for this sequence is a(n) = a(1)*(-1/4)^(n - 1).  We don't yet know a(1).

If a(3) = 128, then 128 = a(1)*(-1/4)^(3 - 1), or

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or

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Answer:

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Step-by-step explanation:

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