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AnnZ [28]
3 years ago
10

Find the mean and standard deviation of the data. Round to the nearest tenth. 542, 150, 134, 101, 757, 262, 303, 825, 957, 290,

793, 221
Mathematics
1 answer:
kotegsom [21]3 years ago
4 0
Mean is 444.6
Standard deviation is 311.1
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8. Solve for x. Round your answer to the nearest tenth.<br> 8.6<br> 4<br> x<br> 0176
earnstyle [38]

Answer:

C. 9.5

Step-by-step explanation:

The Pythagorean Theorem: a^2 + b^2 = c^2.

4^2 + 8.6^2 = c^2

16 + 73.96 = c^2

c^2 = 89.96

c = 9.4847....

8 0
3 years ago
A parachutist's rate during a free fall reaches 198 feet per second. What is this rate in meters per second? At this rate, how m
amm1812

Answer:

300 feet

Step-by-step explanation:

If we were using feet the expression would be 198x, where x is feet per second

Since they are asking in meters we need to convert feet to meters

When you do that you get 60

Now the expression is 60x

When you plug 5 into the equation it is 300

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3 years ago
Multiple similarity transformations are performed on a triangle. which elements must be preserved?
romanna [79]
Answer – Angle Measure
 Generally speaking, when similarity transformations are performed on a triangle, the angle measure is preserved, whereas the length of the sides may be enlarged or reduced depending on the scale factor of the transformation, thus giving rise to similar triangles with corresponding angles that have exactly the same measure and corresponding sides that are proportional. <span>
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3 0
3 years ago
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Simplify (6²)4. <br>how to get the answer​
Anna71 [15]

Answer:

144

Step-by-step explanation:

6^2 = 6x6 = 36

36 x 4 = 144

7 0
3 years ago
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In country X, the average yearly salary of 50-year-olds with 16 years of education is $50,275, while the average yearly salary o
nika2105 [10]

Answer:

38%

Step-by-step explanation:

The additional wage compared 12 years of education to 16 years of education is:

Extra\ wage\%=\frac{50,275-36,265}{36,265} *100 = 38.6%

3 0
3 years ago
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