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Anastaziya [24]
3 years ago
12

What is the common ratio in the sequence 6,12,24,48,96 A -2 B 2 C 6 D 1/2

Mathematics
1 answer:
anyanavicka [17]3 years ago
3 0

The ratio is that of one term to the one before:

... 12/6 = 2

It is "common" because it applies to every pair of adjacent terms:

... 24/12 = 48/24 = 96/48 = 2

The appropriate choice is ...

... B 2

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5/6-1/8 Solve by finding a common denominator<br><br> A)30/48<br> B)34/48<br> C)38/48<br> D)42/48
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Answer:

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Step-by-step explanation:

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__

The difference is ...

  \dfrac{5}{6}-\dfrac{1}{8}=\dfrac{5}{6}\cdot\dfrac{8}{8}-\dfrac{1}{8}\cdot\dfrac{6}{6}\\\\=\dfrac{40-6}{48}=\boxed{\dfrac{34}{48}}

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<em>Additional comment</em>

The difference numerator and denominator have a common factor of 2, so can be reduced to 17/24. The denominator 24 could have been used as the common denominator from the start.

  5/6 -1/8 = 20/24 -3/24 = 17/24 . . . . reduced result

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Using the <em>least common denominator</em> does not always result in a reduced sum or difference. If some other denominator is used (as here), then you can be assured that the result will need to be reduced to get to lowest terms.

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Step-by-step explanation:

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If tan x=.67, and cos x=.83, what is sin x
Alexxandr [17]

Answer:

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Step-by-step explanation:

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tan x is defined as -------------

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which here is:  sin x = 0.83(0.67) = 0.56 (rounded up from 0.5561)

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Answer:

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Step-by-step explanation:

4 0
3 years ago
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