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dedylja [7]
3 years ago
12

In this geometric sequence, what is the common ratio? 104, -52, 26, -13, ...

Mathematics
1 answer:
4vir4ik [10]3 years ago
3 0

Answer:

  -1/2

Step-by-step explanation:

The ratio is found by dividing the second number by the first:

  -52/104 = -1/2

You can verify that this is a "common" ratio by doing the same with successive pairs of numbers:

  26/-52 = -1/2

  -13/26 = -1/2

The common ratio is -1/2.

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Answer:

Teresa should build 7.5 inches model.

Step-by-step explanation:

Consider the provided information.

Teresa is building a scale model of the JP Morgan chase Tower in Houston.

Her scale model, 1.5 inches represents 61 meters.

The actual building is 305 meters tall,

First find how many 61's are there in 305.

For this divide 305 by 61.

\frac{305}{61}= 5

Actual building is 5 times taller than 61. Thus the model should be 5 times taller than 1.5.

multiply 1.5 with 5 gives us:

1.5\times 5=7.5

Hence, Teresa should build 7.5 inches model.

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3 years ago
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Answer:

The answer is 15

Step-by-step explanation:

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7 0
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