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Anastasy [175]
3 years ago
6

A paint box contains 12 bottles of different colors. If we choose equal quantities of 3 different colors at random, how many col

or combinations are possible?
Mathematics
2 answers:
Yanka [14]3 years ago
5 0

Answer:

220 combinations.

Step-by-step explanation:

This will be 12C3 combinations.

= 12! /  [(12-3)! 3!].

A quick mehtod to calculate this is  12*11*10 / 3*2*1

= 2*11*10

= 220.

Debora [2.8K]3 years ago
3 0

Answer:

220 color combinations are possible.

Step-by-step explanation:

A combination is a way of selecting members from a grouping, such that the order of selection does not matter.

in our case we have 3-combinations of a set of 12 elements:

C(12, 3) = 12!/(3! (12-3)!)

C(12, 3) = 12!/(3! 9!)

C(12, 3) = (10*11*12)/(2*3)

C(12, 3) = 220 color combinations are possible.

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Is this graph continuous at x=1?
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Answer:

Step-by-step explanation:

By my definition, no. There's a continuity up to and including just before 1 approaching from the left, and there's a continuity just after 1 going to the right. But 1 itself has a special definition h(x) = 4 when x = 1 and that makes it discontinuous.

8 0
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A parachutist's rate during a free fall reaches 75 meters per second. What is this rate in feet per second? At this rate, how ma
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Step-by-step explanation:

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3 years ago
I need the answer pls
erastova [34]

The median is B. 2.5

Step-By-Step Explanation:

The dot plot goes by the data

1 2 2 3 3 4

those are six numbers in total!

Since 6 is an even number we'd need to find out the number in between the two numbers in the middle.

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The number in the middle of 2 and 3 is 2.5

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IN CONCLUSION

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5 0
3 years ago
1 - (2n + 9) = 4(1-2)
Vikki [24]

Answer:

n=-2

Step-by-step explanation:

1−(2n+9)=4(1−2)

1+−1(2n+9)=4(1−2)

1+−1(2n)+(−1)(9)=4(1−2)

1+−2n+−9=4(1−2)

1+−2n+−9=−4

(−2n)+(1+−9)=−4

−2n+−8=−4

−2n−8=−4

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−2n=4

Divide both sides by -2

-2n/2=4/-2

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