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Inessa [10]
3 years ago
7

Find the standard deviation of

Mathematics
1 answer:
Kruka [31]3 years ago
7 0

Answer:

11.5

The sample standard deviation measures the spread of a data distribution of the sample. It is usually used to estimate the population standard deviation

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Use the distance formula to find the perimeter. Round to the nearest tenth.
Ierofanga [76]

Answer:

37.6 units

Step-by-step explanation:

Perimeter = sum of all sides of the triangle

To find the sum, find the distance between each points.

✔️Distance between points (-7, 6) and (5, -4):

d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} =

= \sqrt{(5 - (-7))^2 + (-4 - 6)^2}

= \sqrt{(12)^2 + (-10)^2}

= \sqrt{144 + 100}

= \sqrt{244} = 15.6 units (nearest tenth)

✔️Distance between (-7, 6) and (-7, -4):

|6 -(-4)| = 10 units

✔️Distance between (-7, -4) and (5, -4)

|-7 - 5| = 12 units

✔️ Perimeter = 15.6 + 10 + 12 = 37.6 units

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3 years ago
In the graph, rectangle BCDE is rotated to form rectangle B’C’D’E’. Use the diagram to complete the statement. Point P is called
Maksim231197 [3]

Answer: Rotation

Step-by-step explanation:

4 0
3 years ago
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Question: solve for x. ​<br><br>please someone help!
Dominik [7]

by angle sum property of triangle,

70+60+(x+60)=180

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3 years ago
If 9^x-9^x-1=24, then find the value of (6x)^x
castortr0y [4]
<span>9^x-9^x-1=24</span><span>

so </span>
<span>(6x)^x is (6 X 0)^0 = 0 (ANS)</span>

is the ans 0 or 1
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How to rewrite 3/4 with a denominator of 12
emmasim [6.3K]

Answer:

it would be 9/12

Step-by-step explanation:

if you want to get a denominator of 12 you would have to multiply by 3 from both and you should get 9/12. 3*3=9 and 4*3=12.

3 0
2 years ago
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