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bagirrra123 [75]
3 years ago
5

How do you find variance

Mathematics
1 answer:
Pepsi [2]3 years ago
4 0
And if you need an example this is the website I went to: http://www.mathsisfun.com/data/standard-deviation.html

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Elijah walked 6 miles in 3 hours.what was his walking rate in hours per miles?
postnew [5]

Answer:

2 Miles per hour

Step-by-step explanation:

velocity (speed) formula is distance/time.

In this case, 6/3=2

5 0
3 years ago
Lillian was making some pizzas. She used pound of pepperoni, pound of cheese, and pound of tomatoes on each one.
Eduardwww [97]
She will use 12 pounds.
Each pound, one for pepperoni, one for cheese, and one for tomatoes makes 3 per pizza. 4 pizzas, with 3 pounds of ingredients on each makes 12 pounds of ingredients all together.
7 0
3 years ago
50x29=1/2 of _ x29 plz help this is so hard
Kitty [74]
The blank is 25.

Tip: There is already 25, so there is only 50. But they want half so, half of 50 is 25.

I hope you understand.
4 0
3 years ago
4x+2y=-24<br> -4x+y = 12
allsm [11]

Answer:

Step-by-step explanation:

                                4x+2y = -24    -------------(i)

                              <u>  -4x+y =  12    -</u>------------(ii)

add (i) &(ii)                      3y = -12

                                         y = -12/3

                                         y = -4

Put y = (-4) in (i)

4x + 2*(-4) = -24

4x - 8 = -24

4x = -24 + 8

4x = -16

x = -16/4

x = -4

6 0
3 years ago
A study found that average there were 566,000 tweets per hour using this data how many tweets are there per minute
Mazyrski [523]

Answer:

D

Step-by-step explanation:

566,000/60 = 9433 1/3 = 9433.3

7 0
3 years ago
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