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Viefleur [7K]
2 years ago
14

How do I find the mean of these numbers

Mathematics
2 answers:
pshichka [43]2 years ago
8 0

Answer:

add all of them together (x and y’s) the divide the sum by the amt of numbers

Step-by-step explanation:

Contact [7]2 years ago
7 0

Answer:

1. 0

2. -2.5

3. 5

4.  -2.5

5.  -4

Step-by-step explanation:

Did this by adding the scores together and then dividing by the number of scores added

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Find what w equals<br><br> 4(3w+5)−2w=70
Luba_88 [7]
4(3w+5)-2w=70
10w+20=70
10w+20-20=70-20
10w=50
10w/10=50/10
w=5
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3 years ago
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iVinArrow [24]
I think the answer is D
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3 years ago
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What is the quadratic function f(x)=x^2+6x-2 In vertex form?
Yuliya22 [10]

Answer: Option D

f(x)=(x+3)^2 -k

Step-by-step explanation:

For a quadratic function of the form

ax ^ 2 + bx + c

The x coordinate of the vertice is:

x =-\frac{b}{2a}

In this case the function is:

f(x)=x^2+6x-2\\\\

So

a=1\\b=6\\c=-2

The x coordinate of the vertice is:

x=-\frac{6}{2*1}\\\\x=-3

The y coordinate of the vertice is:

f(-3) = (-3)^2 +6(-3) -2\\\\f(-3)=-11

The vertice is: (-3, -11)

The form e vertice for a quadratic equation is:

f(x)=(x-h)^2 +k

Where

the x coordinate of the vertice is h and the y coordinate of the vertice is k.

Then h=-3 and k =-11

Finally the equation f(x)=x^2+6x-2\\\\ in vertex form is:

f(x)=(x+3)^2 -k

6 0
3 years ago
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Given the following points, find the equation of the line. Then state the slope of a line
LenKa [72]

Answer:

Step-by-step explanation:

the slope is -3/2

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Value of X makes equation true -75 = -50+ X
Lubov Fominskaja [6]

Answer:

x = -25

Step-by-step explanation:

Hi there!

In order to solve this, add 50 to both sides to isolate x.

x = -25

Hope this helps!

7 0
3 years ago
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