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blondinia [14]
3 years ago
6

Whats the mean 15,22,19,20,29,18,25,19,31

Mathematics
1 answer:
Taya2010 [7]3 years ago
6 0

Answer: 22

Step-by-step explanation:

The mean is the average of the number.

Step 1 : Add up all the numbers

Step 2: Then divide by how many numbers there are

15 + 22 + 19 + 20 + 29 + 18 + 25 + 19 + 31 = 198

198 ÷ 9 = 22

The mean is 22

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Svetlanka [38]
Well first of you need to know that on a straight line there should be 180 degrees. Also a triangle has 180 degrees in total. Now if this is to scale then you can always measure the angle BCA and explain how you took that away from 180 to get whatever. Assuming otherwise i don't know how one can actually complete this question without any measurements, at least one and it would be something anyone can complete. Even if you didn't have anything it should be a equilateral triangle or isosceles. That way you can work out the inside sides than the exterior. But since it's not, I'm not to sure.
5 0
3 years ago
Select all the solutions to <br> ( x - 2) to the power of 2 = -16
leonid [27]
The answer are both:
x=2+4i,2-4i
4 0
3 years ago
Dibuje la gráfica de la ecuación 2x + 3y = 6
Llana [10]

Answer:

y=3-3/2

Step-by-step explanation:

8 0
2 years ago
Which of the following accurately shows the range of the function defined below?
il63 [147K]

Answer: The answer is (b) (2, ∞)

Step-by-step explanation:  We are given a function f(x) in the figure and we are to select out of the given options that accurately shows the range of the function defined.

\textup{For }x < 0, \textup{we have}~f(x)=3.

\textup{For }0\leq x

\textup{For }x\geq 2,\textup{ we have }f(x)=\dfrac{1}{2}x+5\geq 5.

Therefore, the range of the function f(x) will be greater then or equal to 2. So, the range will be [2, ∞).

Thus, the correct option is (b) (2, ∞).

7 0
3 years ago
Read 2 more answers
Leila bought 5 CDs that were each the same price. Including sales tax, she paid a total of $72.50 Each CD had a tax of $0.60 . W
sukhopar [10]

Answer:

$69.50

Step-by-step explanation:

.60 + .60 + .60 + .60 + .60 = 3

 

      72.50 - 3 = $69.50

7 0
2 years ago
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