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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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The marked price of a water cooler is $ 500. The shopkeeper offers an off-season discount of 15% on it. Find the discount.
Fittoniya [83]

Answer:

75 dollars

Step-by-step explanation:

You know that 500=100%, so we can set up the following

15%(500/100%) = 75

so the discount 75 dollars

5 0
3 years ago
14=4x-6<br><img src="https://tex.z-dn.net/?f=14%20%3D%204x%20-%206" id="TexFormula1" title="14 = 4x - 6" alt="14 = 4x - 6" align
Alex17521 [72]

Answer:

14=4x - 6

14+6=4x

20=4x

x=5

5 0
3 years ago
A rectangle is 3 feet longer than it is wide. Write the equation for the perimeter of the rectangle.
maria [59]
Let x be the width of the rectangle
Therefore length=3+x
Thus the formula to find the perimeter of the rectangle is:2(3+x+x)

Hope this is helpful mark me as brainlist

Thank You!
4 0
3 years ago
The television show 50 Minutes has been successful for many years. That show recently had a share of 15, which means, that among
Lapatulllka [165]

Answer- b

Step-by-step explanation:

its b

4 0
3 years ago
A road race is 13 1/2 miles long. There are water stations every 3/4 if a mile including at the finish line. How
Margarita [4]

The number of water stations there are along the 13 1/2 miles long road race according to the task content is; Choice C; 18 water stations.

<h3>What is the number of water stations along the road race?</h3>

It follows from the task content that the number of water stations can be determined as follows;

13 1/2 ÷ 3/4

= 27/2 × 4/3

= 18 water stations.

Read more on fraction division;

brainly.com/question/407943

#SPJ1

7 0
2 years ago
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