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Readme [11.4K]
3 years ago
10

3. Please show your work to find the mean and standard deviation of the data. Round to the nearest tenth.

Mathematics
1 answer:
dolphi86 [110]3 years ago
5 0
The standard deviation of the numbers 14 22 6 9 11 23 15 18 20 12 is 5.67646 the mean is 15 and the standard deviation variance is 32.222.
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Solve |x|=5<br><br> A{-5}<br> B{5} <br> C{-5,5}
vaieri [72.5K]

Answer:

x=-5\quad \mathrm{or}\quad \:x=5

C is your answer

Step-by-step explanation:

\left|x\right|=5\\\mathrm{Apply\:absolute\:rule}:\quad\mathrm{If}\:|u|\:=\:a,\:a>0\:\mathrm{then}\:u\:=\:a\:\quad \mathrm{or}\quad \:u\:=\:-a\\x=-5\quad \mathrm{or}\quad \:x=5

5 0
3 years ago
Read 2 more answers
Select all the correct answers.
Wittaler [7]

If the measure of angle θ is 3π/4, the true statements are:

  1. sin(θ) = √2/2.
  2. The measure of the reference angle is 45°.

<h3>How to determine the true statements?</h3>

In Trigonometry, an angle with a magnitude of 3π/4 (radians) is equivalent to 135° (degrees) and it's found in the second quarter. Thus, we would calculate the reference angle for θ in second quarter as follows:

Reference angle = 180 - θ

Reference angle = 180 - 135

Reference angle = 45°.

Also, a terminal point for this angle θ is given by (-√2/2, √2/2) which corresponds to cosine and sine respectively. This ultimately implies that sin(θ) = √2/2.

tan(θ) = cos(θ)/sin(θ)

tan(θ) = [(-√2/2)/(√2/2)]

tan(θ) = -1

In conclusion, we can logically deduce that only options A and B are true statements.

Read more on terminal point here: brainly.com/question/4256586

#SPJ1

Complete Question:

If the measure of angle θ is 3π/4, which statements are true. Select all the correct answers.

A. sin(θ)=sqrt2/2

B. The measure of the reference angle is 45

C. The measure of the reference angle is 30

D. The measure of the reference angle is 60

E. cos(θ)=sqrt2/2

F. tan(θ)=1

6 0
1 year ago
Use a model to solve. An average orange weighs 3/5 of a pound. Based on this average, how many oranges are in six pounds of oran
AnnyKZ [126]
3/5x=6,
x=10 oranges
7 0
3 years ago
Find the distance between the points C(−6, 5)<br> and D(−3, 1)<br> .
Vlad [161]
D(-3,1) is the right answer
8 0
3 years ago
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The top and bottom lines are parallel. what is the value of X?
nataly862011 [7]

Answer:

B, the answer is B or C believe me

Step-by-step explanation:

5 0
2 years ago
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