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lesya [120]
3 years ago
11

In a school of 450 students, 110 of them are in the choir, 240 of them are in the band and 60 students are in the choir and the

band.
Please help I've been trying to solve this for an hour (T-T)
Mathematics
1 answer:
andreev551 [17]3 years ago
5 0
There are 270 in band an 140 in choir and 40 students left
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a bakery uses 3/5 a cup of sugar for each cookies.How many batches of cookies can they make with 9 cups of sugar?
marysya [2.9K]

Answer:

12

Step-by-step explanation:

divide 9 by 3/5 or .75

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Find the 11th term of the geometric sequence 6, -18, 54
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I don’t feel like doing it but I we’ll tell you how to do it you multiply it by 3 so 6 x 3 equals 18 just in negative do 18 x 3 equal 54 so every other on is a negative it’s Simone
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3 years ago
Jollibee employs a total of 10 cashiers and 15 kitchen crews. The manager selects a team of 2 cashiers and
Airida [17]

Answer:

The manager can select a team in 61425 ways.

Step-by-step explanation:

The order in which the cashiers and the kitchen crews are selected is not important. So we use the combinations formula to solve this question.

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)!}

In how many ways can the manager select a team?

2 cashiers from a set of 10.

4 kitchen crews from a set of 15. So

T = C_{10,2}*C_{15,4} = \frac{10!}{2!(10-2)!}*\frac{15!}{4!(15-4)!} = 45*1365 = 61425

The manager can select a team in 61425 ways.

7 0
2 years ago
What is this math problem<br> -1/12 - (-3/4)
Ivan

Answer:

-1/12 - (-3/4)

= -1/12 + 3/4

= (-1+9)/12

= 8/12

=2/3

3 0
3 years ago
What is the volume of the rectangular prism?
11Alexandr11 [23.1K]
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because V = w h l = 6•4•12 = 288
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