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11Alexandr11 [23.1K]
2 years ago
14

What is 9(3y+2z) as a equivalent expression

Mathematics
2 answers:
sattari [20]2 years ago
5 0
27y+18z ABCDEFGHIJKLMNO (ignore that random letter lol)
adoni [48]2 years ago
3 0

Answer:

27y + 18z

Step-by-step explanation:

9(3y+2z)

Distribute the 9

9 * 3y + 9* 2z

27y + 18z

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Write explicit formula for a1=3, r=-2; then generate 1st 5 terms
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Answer:

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Step-by-step explanation:

These variable names, a1, r, are commonly used in relationship to geometric sequences. We assume you want the terms of a geometric sequence with these characteristics.

a1 is the first term. r is the ratio between terms, so is the factor to find the next term from the previous one.

  a1 = 3  (given)

  a2 = a1×r = 3×(-2) = -6

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The first 5 terms are 3, -6, 12, -24, 48.

__

The explicit formula for the terms of a geometric sequence is ...

  an = a1×r^(n -1)

Using the given values of a1 and r, the explicit formula for this sequence is ...

  an = 3(-2)^(n -1)

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