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zvonat [6]
4 years ago
13

Professor Harris is teaching a continuing education class at the local community college. He created the following box plot from

the ages of his students. What would happen to the average age of the students if the outlier was removed from the data set? A. There is no way to determine what would happen to the average age. B. The average age would increase. C. The average age would not change. D. The average age would decrease.
Mathematics
1 answer:
inessss [21]4 years ago
4 0

Answer:

b

Step-by-step explanation:

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Pleas help me (and pls don't ban my question this time Brainly)
Evgesh-ka [11]

Answer:

d = 7.2

Step-by-step explanation:

12 + d = -4.8

subtract 12 from both sides and you get

d = 7.2

5 0
3 years ago
Read 2 more answers
If sec theta = - √30 / 3, find cos theta.<br> if sin(-theta) = -0.97, find cos (π/2 - theta).
Cloud [144]

Step-by-step explanation:

\cos \theta  =  \frac{1}{ \sec\theta }  =  -  \frac{3}{ \sqrt{30} }  =  -  \frac{3 \sqrt{30} }{30}   =  -  \frac{ \sqrt{30} }{10}

\cos( \frac{\pi}{2} -  \theta )=  \cos \frac{\pi}{2}  \cos \theta  +   \sin \frac{\pi}{2}  \sin \theta

Note that

\sin( - \theta) =  -  \sin \theta

\cos \frac{\pi}{2}  = 0 \:  \:  \:  \:  \:  \sin \frac{\pi}{2}  = 1

Therefore,

\cos( \frac{\pi}{2} -  \theta )  = 0.97

5 0
3 years ago
(4k^4 + 2 - 3k) + (5k^4 + k - 8)
Sergeeva-Olga [200]
Hello!

You can only add values that have the same terms

4k^4 + 5k^4 = 9k^4

-3k + k = -2k

-8 + 2 = -6

The answer is 9k^4 - 2k - 6

Hope this helps!
7 0
3 years ago
Read 2 more answers
Please also should work
DedPeter [7]

Answer:

B 2 < x < 6

Step-by-step explanation:

six times an integer is between 12 and 36.  Between does not include so we use <   not ≤

12 < 6x < 36

Divide all sides by 6

12/6 < 6x/6 < 36/6

2 < x < 6

7 0
4 years ago
3
sleet_krkn [62]

Answer:

16units is the correct answer

6 0
2 years ago
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