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serg [7]
2 years ago
12

Which of the following is the product (5y − 3)2?

Mathematics
1 answer:
ololo11 [35]2 years ago
6 0

Answer:

d it is D

Step-by-step explanation:

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If I got $5 a week how much money would I have after 3 weeks
tensa zangetsu [6.8K]
You would get $15 in total because 5x3=15.
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3 years ago
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Find the area of each figure. Round your answers to the nearest hundredth 7-10​
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Answer:

7. 648

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9. 193.52

10. 148.92

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2 years ago
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The variance can never bea.zerob.larger than the standard deviationc.negatived.smaller than the standard deviation
MrRa [10]

Answer:

c.negative

True, by definition since the variance take in count the differences around the mean squared, then we can't have a negative value for a sum of square values.

Step-by-step explanation:

We need to remember that the variance is a measure of dispersion for a dataset respect to a measure of central tendency called the mean. The mean is defined as:

\bar x = \frac{\sum_{i=1}^n X_i}{n}

And the population mean is given by:

\mu= \frac{\sum_{i=1}^n X_i}{N}

The population variance is defined by:

\sigma^2 = \frac{\sum_{i=1}^n (X_i -\mu)^2}{N}

And the sample variance is defined as:

s^2= \frac{\sum_{i=1}^n (X_i -\bar x)}{n-1}

Now if we analyze the options we have this:

a.zero

False, if all the values are the same then the mean would be the same to the values and the difference between each value and the mean would 0 and indeed the variance would be 0.

b.larger than the standard deviation

False, if the population standard deviation is \sigma=2 then the variance would be \sigma^2 = 4 and as we can see is higher than the standard deviation

c.negative

True, by definition since the variance take in count the differences around the mean squared, then we can't have a negative value for a sum of square values.

d.smaller than the standard deviation

False, if the population standard deviation is \sigma=0.1 then the variance would be \sigma^2 = 0.01 and as we can see is lower than the standard deviation

7 0
3 years ago
How do you simplify this expression? - 3+8n+n- 10
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You have 9n and -7 in total so the answer is 9n-7. You add up all the numbers and then add up the numbers with n attached to them
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3 years ago
What is the degree of the polynomial?
timurjin [86]

Answer:

Polynomial is the degree of the highest degree of polynomial form.

Number

0

is also called a polynomial and it has no degree

6 0
2 years ago
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