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3 years ago

K\3 +21=27 how do I solve this equation? can someone help me

Mathematics

1 answer:

Natalija [7]3 years ago

6 0

K/3 +21 = 27
subtract 21 from both sides...
k/3 = 48
now multiply 48 and 3 to find k...
48 x 3 = 144
k=144

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3 years ago

I need help with this plz

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Answer:

$x^{15}$

Step-by-step explanation:

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3 years ago

In how many different ways can a jury of 12 people be randomly selected from a group of 40 people?

kupik [55]

Answer:

There are 5,586,853,480 different ways to select the jury.

Step-by-step explanation:

The order is not important.

For example, if we had sets of 2 elements

Tremaine and Tre'davious would be the same set as Tre'davious and Tremaine. So we use the combinations formula.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

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Here we have $n = 40, x = 12$ .

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There are 5,586,853,480 different ways to select the jury.

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3 years ago