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Slav-nsk [51]
3 years ago
11

Write as a mixed number to the lowest terms 9 1/4 - 6 2/3 what is the answer?

Mathematics
1 answer:
Nina [5.8K]3 years ago
3 0

Answer:

2 7/12

Step-by-step explanation:

9 1/4 - 6 2/3=

9 3/12- 6 8/12=

2 7/12

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Step-by-step explanation:

The value of sin(2x) is \sin(2x) = - \frac{\sqrt{15}}{8}sin(2x)=−

8

15

How to determine the value of sin(2x)

The cosine ratio is given as:

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1

Calculate sine(x) using the following identity equation

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So we have:

\sin^2(x) + (1/4)^2 = 1sin

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\sin^2(x) + 1/16= 1sin

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\sin^2(x) = 15/16sin

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Take the square root of both sides

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Given that

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sin(x) < 0

So, we have:

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Simplify

\sin(x) = \sqrt{15}/4sin(x)=

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sin(2x) is then calculated as:

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So, we have:

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15

∗

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1

This gives

\sin(2x) = - \frac{\sqrt{15}}{8}sin(2x)=−

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15

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