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Svetllana [295]
2 years ago
13

Which of these is not a possible r-value?

Mathematics
1 answer:
Scorpion4ik [409]2 years ago
5 0

Answer:b 1.2

Step-by-step explanation:

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Dafna1 [17]
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3 years ago
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An ice cream store sells 28 flavors of ice cream. Determine the number of 4 dip sundaes.
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Answer:

20,475\ ways

Step-by-step explanation:

we know that

<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

C(n,r)=\frac{n!}{r!(n-r)!}

where

n represents the total number of items

r represents the number of items being chosen at a time.

In this problem

n=28\\r=4

substitute

C(28,4)=\frac{28!}{4!(28-4)!}\\\\C(28,4)=\frac{28!}{4!(24)!}

simplify

C(28,4)=\frac{(28)(27)(26)(25)(24!)}{4!(24)!}

C(28,4)=\frac{(28)(27)(26)(25)}{(4)(3)(2)(1)}

C(28,4)=20,475\ ways

5 0
3 years ago
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Answer:

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Step-by-step explanation:

-2/3(-3-9x)

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Step-by-step explanation:

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