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MAVERICK [17]
3 years ago
5

Help this is trigonometry I think 35 points!!

Mathematics
1 answer:
kolezko [41]3 years ago
4 0

Answer:

y = 16.3

Step-by-step explanation:

We would apply the formula for altitude of a right triangle which is given as:

h = √(xy)

Where,

h = 14

x = 12

y = y = ?

Plug in the values

14 = √(12*y)

14² = (√(12*y) (squaring both sides)

196 = 12*y

196/12 = 12y/12 (division property of equality)

16.3 = y (nearest tenth)

y = 16.3

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Answer:

7

Step-by-step explanation:

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Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, variance, and standard deviat
german

Answer:

Range =94

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Step-by-step explanation:

First off to find the range, we find the highest value and subtract it to the lowest value. In this situation the values are:

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Lowest = 5

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Now to find the variance of the sample data set, we first need to find for the mean of the data.

The mean of the data with be the sum of all the numbers in the data set divided by the number of samples.

5 + 14 + 26 + 50 + 60 +72 + 79 + 88 + 93 +94 + 99

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Mean = 61.81818

Now to find the variance we simply use the formula:

Now to find the variance we simply use the formula:

σ²=\frac{(xi - Mean)^{2}  }{n-1}

σ²=\frac{(5 - 61.818)^{2} + (14 - 61.818)^{2} + (26 - 61.818)^2 +  (99 - 61.818)^2} {11-1}

σ²=\frac{11,415.64}{10}

σ²=1,141.564

Now to find the standard deviation, we take the variance and get the square root of it.

Standard Deviation= \sqrt{1,141.564}

Standard Deviation= 33.78703

HOPE THIS HELPS :)

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