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Aliun [14]
3 years ago
9

11 12 c 16 18 if the mean is 12, which number could c be?​

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0

Answer:

c = 14

Step-by-step explanation:

hope this helps

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Given <br><br> A. 88<br> B. 64<br> C. 92<br> D. 52
victus00 [196]
Maybe 88 not sure that is the givin
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3 years ago
Can I get some help please? <br><br><br> Thanks!
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An ellipse (oval shape) is expressed by the following equation:

\frac{(x-h)^2}{a^2} + \frac{(y-k)^2}{b^2}=1 where h is the x coordinate of the center and k is the y coordinate of the center. Furthermore, a is the horizontal distance from the center, and b is the vertical distance from the center. Lastly, c is the distance from the center to one of the foci (they are spaced apart equally).

We can find the foci by using a^2 - b^2 = c^2

36 - 11 = c^2

c =  \sqrt{25}  = 5

Since the k value in this case is 0, the y value of both foci are 0. Also, since h and k are both 0, we know the center of the ellipse is at the origin.

So the foci are (-5, 0) and (5, 0)

Hope this helps :)

3 0
3 years ago
Which of the following is a polynomial with roots: − square root of 5 , square root of 5 , and −3?
tresset_1 [31]
Roots: - √5 , √5, and - 3

=> these are factors of the polynomial: (x + √5), (x - √5), and (x + 3).

Multiply those three factors:

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Therefore the polynomial x^2 + 3x^2 - 5x - 15 is a polynomial with the given roots.

Answer: option B. x^3 + 3x^2 - 5x - 15
4 0
3 years ago
Marlene is solving a number puzzle involving three rational numbers a, b, and c. Here are her clues:
rusak2 [61]
A/c = 8.....a = 8c
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a * b = -1....
b/c = -0.5

2/c = 8c
2 = 8c^2
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sqrt 1/4 = c
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a * c = 2
0.5a = 2
a = 2/0.5
a = 4 <===

a = -16b
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5 0
3 years ago
What are the solutions to x2 – 10x = 39?
oee [108]

Answer: x=−3 or x=13

Step-by-step explanation:

Step 1: Subtract 39 from both sides.

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Step 3: Set factors equal to 0.

x+3=0 or x−13=0

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7 0
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