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GenaCL600 [577]
3 years ago
11

In a room of 40 girls, 10 girls like music only while 5 likes both music and arts. If 4 girls like neither, how many

Mathematics
1 answer:
iVinArrow [24]3 years ago
6 0

Answer:

21

Step-by-step explanation:

Hope this helped have an amazing day!

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seven different gifts are to be distributed among 10 children. How many distinct results are possible if no child is to receive
Alik [6]

Answer:

120 distinct results are possible if no child is to receive more than one gifts.

Step-by-step explanation:

When the order is not important, we use the combination formula:

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

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

The order is said to be not important if for example, John receiving the Buffalo Bills jersey and then Laura receiving the Cleveland Browns jersey is the same as Laura receiving the Cleveland Browns jersey before John receives the Buffalo Bills jersey.

In this problem, we have that:

Combinations of 7 from a set of 10 elements. So

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

C_{10,7} = \frac{10!}{7!(3)!} = 120

120 distinct results are possible if no child is to receive more than one gifts.

6 0
3 years ago
Help please ASAP !!!!
mixas84 [53]
Your answer is -4<span>√6. Hope this helps :)</span>
5 0
3 years ago
Elliaarteaga14
ozzi

Answer:20 gallons

Step-by-step explanation:

6 0
2 years ago
Find the the measure of angle 6
hodyreva [135]
It’s 61 since it’s across
6 0
2 years ago
Read 2 more answers
Which decimals written in expanded form are greater than 5.3? Check all that apply. 5 + 0.3 + 0.00 5 + 0.3 + 0.001 (5 × 1) + (2
Ksenya-84 [330]

Answer:

Any number in form of x.y = x (1) + 1/10 (y)

where x = 5 & y > 3 , or x > 5

Step-by-step explanation:

Expanded form of 5.3 = 5 (1) + 3 (1/10)

Some decimals written in expanded form that are greater than 5.3    :

5 (1) + 4 (1/10) = 5.4

6 (1) + 2 (1/10) = 6.2  

3 0
2 years ago
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