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NeX [460]
2 years ago
13

Which of the following has the same value as C(10, 3)? O P(10, 3) O C(10,7) O C(9,6)

Mathematics
1 answer:
horsena [70]2 years ago
3 0

Answer:  C(10,7)

Reason:

We can numerically compute both C(10, 3) and C(10, 7) and we would get 120 for each result.

Use the nCr combination formula

nCr = \frac{n!}{r!(n-r)!}

In general we have the rule C(n, r) = C(n, n-r)

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If one face of the cube has an area of 25cm calculatethe total surface area
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3 0
3 years ago
Please explain and solve so I could understand
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Answer:

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3 0
2 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
Lucas had 18 markers. He lent 1/6 of them to Isaac and 1/9 of them to Abby. In total, how many markers did he lend?
Sergeeva-Olga [200]
1/6 of 18 is 3
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3 years ago
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Answer:Execute Order 66

Step-by-step explanation:

7 0
3 years ago
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