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USPshnik [31]
1 year ago
13

Attendances at a high school's basketball games were recorded and found to have a sample mean and variance of 470 and 16, respec

tively. Calculate
x ± s,

x ± 2s,
and
x ± 3s.
Mathematics
1 answer:
yanalaym [24]1 year ago
5 0

Answer:

for the second question u have asked

Step-by-step explanation:

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Find the value of x.<br> (2 + 3x)
Lerok [7]

Answer:

3x...

Step-by-step explanation:

There is nothing else to do an equation with..

3 0
3 years ago
What are the solutions to the system of equations? y=x2−7x+12y=−x+7
kap26 [50]

Answer:

x = 1, y = 6

or

x = 5, y = 2.

Step-by-step explanation:

y=x2−7x+12

y=−x+7

Substitute for y in the first equation:

- x + 7 = x^2 - 7x + 12

x^2 - 7x + x + 12 - 7 = 0

x^2 - 6x + 5 = 0

(x - 1)(x - 5) = 0

x = 1, 5.

When x = 1, y = -1 + 7 = 6.

when x = 5, y = -5+7 = 2.

3 0
1 year ago
What integer can be represented by 16 positive tiles and 26 negative tiles
pogonyaev
16 positive and 26 negative.......16 - 26 = -10 <==
6 0
3 years ago
Which is the equation of the parabola?
mestny [16]

Answer:

  • y = -1/20(x + 3)²

Step-by-step explanation:

<u>Consider the parent function:</u>

  • y = x²

The graph of the function open up and the vertex is at the origin, the point (0, 0)

Now, if it opens down, it means it is a reflection of the parent function over x axis, hence it has a negative coefficient, the function becomes:

  • y = -x²

The vertex is shifted to the point (-3, 0). It means the function also translated left by 3 units, the function becomes:

  • y = -(x + 3)²

<u>Since all the options have 1/20 as a coefficient, our function is:</u>

  • y = -1/20(x + 3)²

This is option B

6 0
2 years ago
100 points and brainliest! geometry<br><br> please explain :)<br><br> thanks for reading this :)
scoundrel [369]

Hellooooo!! Marie Here!!!

The answer is here:

The value of "x" is 9

<h3>Hope This Helps!!! Have A GREAAATTTT Day!!</h3>
7 0
2 years ago
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