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otez555 [7]
2 years ago
11

Ernesto saves $5.25 every week about how many weeks will take Ernesto to save $315

Mathematics
2 answers:
nikdorinn [45]2 years ago
4 0

Answer:

It will take 60 weeks for Ernesto to save $315

adelina 88 [10]2 years ago
3 0

Answer:

60 weeks or 15 months.

Step-by-step explanation:

y = mx + b

315 = 5.25x + 0

Divide 315 by 5.25 and you get 60, so 60 weeks or 15 months. Check by plugging it into the equation.

315 = 5.25(60) + 0

315 = 5.25(60)

315 = 315

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navik [9.2K]

Answer:

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You gave the explicit form.

Step-by-step explanation:

You gave the explicit form.

The recursive form is giving you a term in terms of previous terms of the sequence.

So the recursive form of a geometric sequence is a_n=r \cdot a_{n-1} and they also give a term of the sequence; like first term is such and such number. All this says is to get a term in the sequence you just multiply previous term by the common ratio.

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18/-6

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If these quotients didn't match, then it wouldn't be geometric.

Anyways the recursive form for this geometric sequence is

a_n=-3 \cdot a_{n-1}

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