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Zarrin [17]
3 years ago
6

What is the formula for combinations

Mathematics
1 answer:
Rashid [163]3 years ago
6 0
<span><span>Note: , where nPr is the formula for permutations of n objects taken r at a time.</span><span>Example:How many different committees of 4 students can be chosen from a group of 15?</span><span>Answer:There are possible combinations of 4 students from a set of 15.</span><span>There are 1365 different committees</span></span>
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Plsss help ASAP!!!!!!
Stells [14]

Answer:

Its either A or D because its reflection so that cancels out B and C

im not sure if this helps u or not but at lest it cancels out 2 of the options

The reflection of a horizontal line has the same result as a rotation of 90 degrees clockwise.

Step-by-step explanation:

When an image is rotated 90 degrees counterclockwise the shape is still congruent but in a different quadrant. The same is true when an image is reflected across a horizontal line.

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