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Mathematics

1 answer:

lukranit [14]2 years ago

6 0

Where’s the question

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In how many ways can 6 students be chosen from 9 students if the order in which the

harkovskaia [24]

Answer:

60480

Step-by-step explanation:

This question has to do with permutations. A permutation is used to find the number of possible outcomes, assuming order matters. In this case, n=9 and r=6. This is written as $_{9}P_{6}$ which equals $\frac{9!}{(9-6)!}$ . Then, plug this into a calculator to get 60480.

4 0

2 years ago

How many zeros does this polynomial function, y=(x-8)(x+3)^2

lidiya [134]

Answer:

Step-by-step explanation:

The factor (x - 8) has 1 zero at x = 8

The factor (x + 3)² has a zero at x = - 3 of multiplicity 2

In total there are 3 zeros

3 0

3 years ago

Read 2 more answers

To my knowledge, the answer should be there is no difference since I found the sum, however the answer is something else,

olga nikolaevna [1]

In the first series, the summation applies to the whole (2n+3) inside
the parentheses, so the 3 gets summed up 5 times.

But in the second one, the summation only applies to the 2n , so
the 3 is only added after the summation is finished.

The difference between five 3s the first time and one 3 the second time
is your 12 .

5 0

2 years ago

Read 2 more answers

Find the measure of the central angle with an arc length equaling 29.21 and a circumference = 40.44

Dima020 [189]

measure of central angle is 4.607 radians with an arc length equaling 29.21 and a circumference = 40.44

Step-by-step explanation:

Arc length = 29.21

Circumference = 40.44

Central angle = ?

The formula used to find central angle is:

$s=r\theta$