3 years ago

-32 = -3 + 7x + 3(x – 2) Show you work

Mathematics

1 answer:

Maurinko [17]3 years ago

7 0

There you go :), hopefully this is it

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3. Standard deviation is ________. a mean of squared differences the square root of the variance unit-free the covariance 4. Sta

Ksenya-84 [330]

Answer:

3. Standard deviation is the square root of the variance.

4. Standard deviation is useful because it has the same units as the underlying data.

Step-by-step explanation:

3. In statistics, the dispersion in a given data with respect to its mean distribution can be determined or measured by standard deviation and variance. The standard deviation of a distribution can also be determined as the square root of variance.

4. Standard deviation is measured in the same units as that of the original data. Thus it has the same units as the underlying data.

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3 years ago

What is the answer to 2+b=7

Natasha_Volkova [10]

Answer:

b=5

Step-by-step explanation:

2+b=7

Subtract 2 from each side

2+b-2=7-2

b= 5

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3 years ago

We just saw an example of "Survival of the fittest" with the rabbits that survived. We often use this as an expression to descri

GarryVolchara [31]

Answer:

If only the fittest survive in certain enviorments other animals have to evolve to live in different places

Step-by-step explanation:

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2 years ago

Please help. 10 points and brainliest.

Snezhnost [94]

Answer:

$\frac{a^2}{b^2}$

Step-by-step explanation:

Apply the exponent rule $a^b*a^c=a^b+c$ to a

$a^4*a^-^2=a^4^-^2=a^2$

$b^3a^2b^-^5$

Apply the exponent rule to b

$b^3*b^-^5=b^3^-^5=b^-^2$

Apply the exponent rule $a^-^b=\frac{1}{a^b}$

$b^-^2=\frac{1}{b^2}=\frac{1}{b^2}a^2=\frac{a^2}{b^2}$

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3 years ago

A friend gives you 120 feet of fencing. You want to make a circular dog

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Answer:

120 feet of fence is enough for a circle 38 feet in diameter

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3 years ago