2 years ago

WILL MARK BRAINLIEST

Mathematics

1 answer:

nikdorinn [45]2 years ago

4 0

Answer:

3 $\sqrt{5}$ which is approx 6.71

Step-by-step explanation:

$\sqrt{45}$ = $\sqrt{9}$ · $\sqrt{5}$ = 3 $\sqrt{5}$

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Answer:

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3 years ago

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The height of five soldiers included 60inches,67inches,65inches and 64inches,if the mean of the five soldiers is 65inches what i

Nadya [2.5K]

Answer:

The last guy's height is 69 inches

Step-by-step explanation:

mean=sum of all numbers/number of numbers

There are 5 numbers in the set which means that 65 is the sum of all five numbers divided by 5. To reverse that we multiply 65 by 5 to get the sum of all of the numbers.

$65*5=325$

325 is the sum of all of the numbers so to find the missing number you add up all of the known numbers in the set and find the difference between that sum and 325.

$60+67+65+64=256$