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Paladinen [302]
4 years ago
7

Split 2.50 into the ratio 3 : 2

Mathematics
1 answer:
Harrizon [31]4 years ago
7 0
The number that needs to be split as per the question = 2.50
The ratio in which the number needs to be split = 3:2
Let us assume the common ratio to be = x
Then
3x + 2x = 2.50
5x = 2.50
x = 2.50/5
   = 0.50
Then
The ratio in which the number 2.50 can be divided = 3 * 0.5: 2 * 0.5
                                                                                 = 1.5:1
So from the above deduction, we can conclude that the number 25 can be split in the ratio 1.5:1.
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3 years ago
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cestrela7 [59]

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Step-by-step explanation:

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Here h = 6.2, a = 10.8 and b = 7.9, thus

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Vladimir79 [104]

Answer:

Luisa can pick the food and drinks to serve at the bridal shower in 15,615,600 different ways.

Step-by-step explanation:

Fundamental counting principle:

States that if there are p ways to do a thing, and q ways to do another thing, and these two things are independent, there are p*q ways to do both things.

Also

The order in which the food and drinks are chosen is not important, which means that the combinations formula is used 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)!}

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3 from a set of 15. So

B = C_{15,3} = \frac{15!}{3!12!} = 455

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3 from a set of 10. So

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

Desserts:

3 from a set of 13. So

D = C_{13,3} = \frac{13!}{3!10!} = 286

How many different ways can Luisa pick the food and drinks to serve at the bridal shower?

By the fundamental counting principle, as beverages, appetizers and desserts are independent:

T = B*A*D = 455*120*286 = 15,615,600

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4 years ago
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IgorLugansk [536]
I hope this helps you



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