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katrin2010 [14]
3 years ago
11

Find the median and mean of the data. Which reflects the best measure of the center?

Mathematics
2 answers:
Dahasolnce [82]3 years ago
8 0
Median 14
mean 16
that's what I got
Dmitry [639]3 years ago
5 0
Median = 14
Explanation:
Median: is when you find middle number in this set from low > high
12, 13, 13, 14, 21, 22, 23 

Mean = 16
Explanation:
Mean: add all numbers up then divide by how many numbers are there
13 + 14 + 12 +  23 + 22 + 21 / 7 = 16
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If f(x) = 2x2 - 5 and g(x) = 3x + 3, find (f - g)(x).
Vera_Pavlovna [14]
Answer: A. 2x2 - 3x - 8

Just subtract the functions and combine like terms
(f - g)(x) = f(x) - g(x)
(f - g)(x) = 2x^2 - 5 -(3x + 3)
(f - g)(x) = 2x^2 - 5 - 3x - 3
(f - g)(x) = 2x^2 - 3x - 8
7 0
2 years ago
describe the steps you used to solve the equation and find the amount of carries allowance. linear equation: 1/4a+1/3a+8=22
vlabodo [156]

1/4a + 1/3a +8 =22

1st step add like terms:

1/4a +1/3a = 3/12a +4/12a = 7/12a

7/12a +8 =22

2nd step subtract 8 from each side:

7/12a = 14

3rd step divide both sides by 7/12 to get a:

a = 14 / 7/12

a = 24

7 0
3 years ago
Read 2 more answers
Write the equation for the graphed function. I worked out y = 5 - 4 (x + 4)^2 but that isn't right. Any help would be appreciate
alexira [117]

Vertex form for a parabola with vertex (p,q) is

y = a(x-p)^2 + q

We have (p,q)=(-4,5) and another point (-3,2) so we can solve for <em>a:</em>

2 = a(-3 - -4)^2 + 5

2 = a + 5

a = -3

Putting it together,

Answer: y = -3(x + 4)^2 + 5

We could multiply that out if we like but I won't bother.


5 0
3 years ago
Which property of multiplication is shown?<br> 9. (r:s) = (q.r).s
Lunna [17]

Answer:

I think it is associative! Not sure though bc of the q!

Step-by-step explanation:

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2 years ago
6cos(20πt-π)+6√3cos(20πt-π\2)
juin [17]

Answer:

<u>Answer</u><u> </u><u>is</u><u> </u><u>-</u><u>6</u><u>t</u>

Step-by-step explanation:

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Note that π is 180°

5 0
2 years ago
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