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mrs_skeptik [129]
3 years ago
9

If you need $3,000 four years from now, how much would you need to deposit into an account that earns 5% interest, compounded an

nually? $_____
Mathematics
1 answer:
Aleks04 [339]3 years ago
6 0

Answer:

2468.11 dollars

Step-by-step explanation:

Amount that should be available after four years =3000 $

Interest rate = 5%

No of years =4

Let P be the principal invested

Then 3000=P(1+0.05)^4\\P=3000(1.05)^{-4} \\=2468.11

Hence 2468.11 dollars should be deposited to get 3000 dollars after 4 years at 5% interest.

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For a segment of a radio show a disc jockey can play 10 records. If there are 12 records to select from in how many ways can the
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Answer:

<h2>66 different ways </h2>

Step-by-step explanation:

This is a combination question. Combination has to do with selection. For example if r objects are to be selected from n pool of oblects, this can be done in nCr number of ways.

nCr = n!/(n-r)r!

According to the question, if a radio show can only play 10 records out of 12 records available, this can be done in 12C10 number of ways.

12C10 = 12!/(12-10)!10!

= 12!/2!10!

= 12*11*10!/2*10!

= 12*11/2

= 6*11

= 66 different ways

7 0
3 years ago
Is this answer correct?
34kurt

Answer:

Step-by-step explanation:

yes the answer is correct

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Answer:

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Step-by-step explanation:

If you multiple 4/5 time 6 1/8 you'll get 4.9, which in fraction form is 4 9/10.

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What is the probability of tossing one coin for two 'tails' in a row?
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Please answer this correctly without making mistakes I want ace expert and genius people to answer this correctly without making
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Step-by-step explanation:

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