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3 years ago

Hhhhhhheeeeelllllllllppppppp

Mathematics

2 answers:

Murrr4er [49]3 years ago

7 0

Answer:

Q is the anwser

Step-by-step explanation:

JulsSmile [24]3 years ago

3 0

Answer:

Step-by-step explanation:

hopes this helps

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How many ways can a dance instructor send 4 of her 11 students to a summer dance program?

Sedaia [141]

Answer:

d) 330

Step-by-step explanation:

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is C(11 , 4)

That is $11_{C_{4} }$ ways

by using formula $n_{C_{r} } = \frac{n!}{(n-r)!r!}$

now simplification

$11_{C_{4} } = \frac{11!}{(11-4)!4!}$

= $\frac{11X10X9X8X7!}{(7!)4X3X2X1}$

after cancelling 7! and on simplification

= $\frac{11X10X9X8}{4X3X2X1}$

after cancellation we get 330 ways

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is 330

8 0

3 years ago

How to solve for 1000(x-2)=75000

Andrews [41]

So, first you divide 75000 by 1000. Then you add 2 to each side. Then that's the answer, x=77

8 0

3 years ago

Read 2 more answers

Which is the least positive integer that should be multiplied with 2 × 2 × 2 × 3 so that we get

Elan Coil [88]

Answer:

Step-by-step explanation:

In order to have a perfect square you have to have at least two prime factors, and since three is quite clearly not in a pair, the answer is three.

8 0

3 years ago

In a racing game, Austin has traveled 1,988 meters from the starting line. He's cruising with confidence when suddenly he slips

Korolek [52]

Answer:

1987.2

Step-by-step explanation:

7 0

3 years ago

Factor completely.

Marta_Voda [28]

x^2 - 3x - 28 = (x - 7)(x + 4)

answer
first one
(x - 7)(x + 4)

hope it helps

8 0

4 years ago