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Eddi Din [679]
3 years ago
5

The average of 4 numbers is 15 , the sum of 3 numbers is 14 what is the fourth number

Mathematics
2 answers:
Nostrana [21]3 years ago
7 0

Answer:

46

Step-by-step explanation:

(14+x)/4 = 15

14 + x = 60

x = 46

vladimir1956 [14]3 years ago
6 0

Answer:

46

Step-by-step explanation:

Let <em>a to d</em> be <em>number 1 to 4</em> respectively.

15 = (a + b + c + d) / 4

(a + b + c + d) = 60 ------> <em>total sum of the 4 numbers</em>

Since the sum of 3 numbers (assuming a to c) is 14,

Fourth number (d) = 60 - 14

= 46

That's how I would do it, hope this helps :)

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Step-by-step explanation:

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Multiplying the exponents:

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Writing in radical form we finally have the result:

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