3 years ago

5.) What is the mean of the data? 3, 3, 5, 5, 5, 7, 7, 8, 15, 15

1 answer:

7 0

Answer:

How to Find the Mean. The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

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Hi, I don’t understand this question

meriva

Given that

z₁ = 15 (cos(90°) + i sin(90°))

z₂ = 3 (cos(10°) + i sin(80°))

we get the quotient z₁/z₂ by dividing the moduli and subtracting the arguments:

z₁/z₂ = 15/3 (cos(90° - 10°) + i sin(90° - 10°))

z₁/z₂ = 5 (cos(80°) + i sin(80°))

so that z₁ is scaled by a factor of 1/3 and is rotated 10° clockwise.

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3 years ago

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Assoli18 [71]

20% of 55 is 11

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$\frac{20}{100} = 0.2$

Multiply your decimal by 55:
$0.2 \times 55 = 11$

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