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Amiraneli [1.4K]
3 years ago
11

What is the volume in cubic centimeters of a cube that measures 13 cm wide

Mathematics
1 answer:
Andrei [34K]3 years ago
8 0

Answer:

2197 cubic centimeters

Step-by-step explanation:

13^3=2197

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What is the recursive rule for the sequence 2, -1, 1/2 , -1/4
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Answer:

a_n=\frac{-1}{2}a_{n-1}

a_1=2

Step-by-step explanation:

The recursive rule is a term defined in terms of other terms in the sequence.

The is a geometric sequence because it has a common ratio.

The common ratio can be found by dividing a term by previous term.

For example, all of these are equal:

\frac{-1}{2}

\frac{\frac{1}{2}}{-1}

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They are all equal to \frac{-1}{2}.

So we are saying:

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More formally:

\frac{a_n}{a_{n-1}}=\frac{-1}{2}.

Multiply both sides by a_{n-1}:

a_n=\frac{-1}{2}a_{n-1}

When doing recursive form, you need to state a term of the sequence (or more depending on the recursive form you have).

So the first term is 2.

So the full thing for the answer is:

a_n=\frac{-1}{2}a_{n-1}

a_1=2

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3 years ago
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A meteor crater is 3000 feet in diameter. Approximate the distance around the crater use 3.14 for pi
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