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Lynna [10]
3 years ago
7

If the mean of four numbers 2,4,x, and 6 is 5, then x is...​

Mathematics
1 answer:
EleoNora [17]3 years ago
7 0

Answer:

4 numbers, mean of 5.

4x5= 20. so the total of all 4 numbers is 20.

2+4+6= 12

so in order for the total to be 20, the missing number has

to be 8 (20-12=8)

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An employee puts 10000 in a retirement account that offers 4% interest. How much will he have in 12 years
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Answer:

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Step-by-step explanation:

The formula for simple interest (I) in terms of principal (P), rate (R) and time (T) is given as follows;

I = P x R x T / 100         ------------- (i)

Given:

Principal (P) = Initial amount being put into the account = 10000

Rate (R) = The interest rate being offered by the account manager = 4%

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I = 10000 x 4 x 12 / 100

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Therefore, the initial amount will yield an interest of 4800 for those 12 years.

The total amount the employee will thus have in 12 years will be the sum of the initial amount and the interest. i.e

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