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ludmilkaskok [199]
2 years ago
6

3 bananas are to be selected from a group of 9. In how many ways can this be done?

Mathematics
2 answers:
lianna [129]2 years ago
7 0
9C3 =9!/((9-3)!3!) =84 ways
Lyrx [107]2 years ago
7 0

Answer: 84

Step-by-step explanation:

The formula to calculate the number of ways to select x things from n things is given by :-

^nC_x=\dfra{n!}{{!(n-x)!}

Now, if 3 bananas are to be selected from a group of 9, then the number of ways  will be  

^9C_3=\dfrac{9!}{3!(9-3)!}=\dfrac{9\times8\times7\times6!}{6\times6!}=84

Hence, the  number of ways to select 3 bananas from a group of 9 =84

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8<br> p varies directly as the square root of q.<br> p = 8 when q = 25.<br> Find p when q = 100.
Lostsunrise [7]

Answer:

16

Step-by-step explanation:

p=k√q

8=k√25

8=k5

k=8/5

p when q=100

p=8/5*√100

p=8/5*10

p=16

4 0
2 years ago
rachel bought 1 3/5 pounds of peaches for $.60 and 3 1/2 pounds of apples for $1.75. which fruit costs more per pound ? explain
babunello [35]
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3 0
3 years ago
1. Find the volume of a cone with a diameter of 14 cm and a height of 25 cm.
slega [8]

Answer:

V≈1282.82

Step-by-step explanation:

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8 0
2 years ago
The perimeter of a square is represented by the expression 4(4.3 - 6). Which statement is true?O The perimeter can also be repre
lana66690 [7]

the perimeter is:

4(4x - 6)

Applying distributive property:

4(4x) - 4(6)

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7 0
1 year ago
How to find the other endpoint of a line when only given the first endpoint and the midpoint?
Schach [20]
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Data:
Endpoint₁: (2,-3)
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Therefore:

(2+x₂)/2=6
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Answer; the other endpoint of a line will be (10,15)


6 0
3 years ago
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