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Margaret [11]
3 years ago
12

Evaluate -10+ -8 x -1

Mathematics
1 answer:
hoa [83]3 years ago
7 0
I believe the answer is -8x-11
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That is a 30 60 90 triangle. 
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Solve for f is h=2f/m+1
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Suppose you have a bag containing 2 black marbles and 3 red marbles. You reach into the bag, select a marble, see what color it
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4 0
3 years ago
If each data is increased by a constant K then find it's mean ?? answer fast pleaseeeeeeeeeee​
MArishka [77]

Answer:

The mean is also increased by the constant k.

Step-by-step explanation:

Suppose that we have the set of N elements

{x₁, x₂, x₃, ..., xₙ}

The mean of this set is:

M = (x₁ + x₂ + x₃ + ... + xₙ)/N

Now if we increase each element of our set by a constant K, then our new set is:

{ (x₁ + k), (x₂ + k), ..., (xₙ + k)}

The mean of this set is:

M' = ( (x₁ + k) + (x₂ + k) + ... + (xₙ + k))/N

M' = (x₁ + x₂ + ... + xₙ + N*k)/N

We can rewrite this as:

M' = (x₁ + x₂ + ... + xₙ)/N + (k*N)/N

and  (x₁ + x₂ + ... + xₙ)/N was the original mean, then:

M' = M + (k*N)/N

M' = M + k

Then if we increase all the elements by a constant k, the mean is also increased by the same constant k.

6 0
3 years ago
Please help! circled numbers only. tysm, will mark brainliest.
Rudik [331]

Answer:

10. 3/5

12. 5/6

14. 12/17

15. 2 , 5

18.7

20. 21/22

22. 15

24. 9

26.11,21

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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