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3 years ago

What is the mean of 4, 6, 8, 20, 12?

2 answers:

4 0

The answer is 10 because you add 4,6,8,20, and 12 to get 50 than you divide 50 by 5 because there are 5 numbers in the sequence above and get 10

why;live

icang [17]3 years ago

3 0

1. Add up all the numbers
4+6+8+20+12=50
2. Divide that number (50) by the amount of numbers (5)
50÷5=10
3. The final answer is 10

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Alik [6]

Answer:

Subtract by 5 on both sides.

Step-by-step explanation:

x+5 = -10. if you subtract both sides by 5, you will get x+5-5=-10-5, which can be simplified to x=-15.

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kari74 [83]

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What is 83 + 119 + 17 =

Fittoniya [83]

Answer:

219

Step-by-step explanation:

83 + 119 = 202

202 + 17 = 219

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I believe it’s x < 9

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3 years ago

X-intercept and y-intercepts og y=x^2-3

Rufina [12.5K]

Answer:

Part 1) The y-intercept is the point $(0,-3)$

Part 2) The x-intercepts are the points $(-\sqrt{3},0)\ and\ (\sqrt{3},0)$

Step-by-step explanation:

we have

$y=x^{2}-3$

This is a vertical parabola open upward

step 1

Find the y-intercept

we know that

The y-intercept is the value of y when the value of x is equal to zero

For x=0

$y=(0)^{2}-3$

$y=-3$

The y-intercept is the point (0,-3)

step 2

Find the x-intercepts

we know that

The x-intercept is the value of x when the value of y is equal to zero

For y=0

$x^{2}-3=0$

solve for x

Adds 3 both sides

$x^{2}-3+3=0+3$

$x^{2}=3$

take square root both sides

$x=(+/-)\sqrt{3}$

The x-intercepts are the points $(-\sqrt{3},0)\ and\ (\sqrt{3},0)$

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3 years ago