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andriy [413]
3 years ago
9

11,11,11,12,12,13,14,14,15 find the median

Mathematics
1 answer:
makvit [3.9K]3 years ago
6 0

the median out of the data set is.

<u><em>12.</em></u>

to find the median, you have to,

The median is also the number that is halfway into the set. To find the median, the data should be arranged in order from least to greatest. If there is an even number of items in the data set, then the median is found by taking the mean (average) of the two middle-most numbers.


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Sine, cosine, and tangent are used when looking for a missing side length in the right triangle. True or False
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The graph of y = f(x) is shown below. What are all of the real solutions of f(x) = 0?
jasenka [17]

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-8 and -2

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Solve each problem by writing and solving an equation
Viktor [21]

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3 years ago
If a and b are two angles in standard position in Quadrant I, find cos(a+b) for the given function values. sin a=8/17and cos b=1
n200080 [17]

Recall the sum identity for cosine:

cos(a + b) = cos(a) cos(b) - sin(a) sin(b)

so that

cos(a + b) = 12/13 cos(a) - 8/17 sin(b)

Since both a and b terminate in the first quadrant, we know that both cos(a) and sin(b) are positive. Then using the Pythagorean identity,

cos²(a) + sin²(a) = 1   ⇒   cos(a) = √(1 - sin²(a)) = 15/17

cos²(b) + sin²(b) = 1   ⇒   sin(b) = √(1 - cos²(b)) = 5/13

Then

cos(a + b) = 12/13 • 15/17 - 8/17 • 5/13 = 140/221

6 0
2 years ago
I need help with this qustion ?
emmainna [20.7K]
The answer should be 32.
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