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3 years ago

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Which of the following would eliminate the variable on the left side of the given equation? 36 - 19w = -6w + 41. 1. add -19w 2

. add 6w 3. add 19w 4. add -36

1 answer:

Paladinen [302]3 years ago

5 0

W=5/13 you just eliminate the negative sign

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What is the quadratic regression equation that fits these data?

ruslelena [56]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

A certain car model has a mean gas mileage of 34 miles per gallon (mpg) with a standard deviation A pizza delivery company buys

zubka84 [21]

Answer:

$z =\frac{33.3- 34}{\frac{5}{\sqrt{54}}}= -1.028$

$z =\frac{34.3- 34}{\frac{5}{\sqrt{54}}}= 0.441$

An we can use the normal standard table and the following difference and we got this result:

$P(-1.028$

Step-by-step explanation:

Assuming this statement to complete the problem "with a standard deviation 5 mpg"

We have the following info given:

$\mu = 34$ represent the mean

$\sigma= 5$ represent the deviation

We have a sample size of n = 54 and we want to find this probability:

$P(33.3 < \bar X< 34.3)$

And for this case since the sample size is large enough >30 we can apply the central limit theorem and then we can use this distribution:

$\bar X \sim N(\mu , \frac{\sigma}{\sqrt{n}})$

And we can use the z score formula given by:

$z=\frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

And replacing we got:

$z =\frac{33.3- 34}{\frac{5}{\sqrt{54}}}= -1.028$

$z =\frac{34.3- 34}{\frac{5}{\sqrt{54}}}= 0.441$

An we can use the normal standard table and the following difference and we got this result:

$P(-1.028$

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3 years ago

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olga55 [171]

Answer:

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Step-by-step explanation:

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Karo-lina-s [1.5K]

Your question seems incomplete :-(

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3 years ago

Evalue f(x)=(-2)^2-3(-2)+5/(-2)^2+1

Nina [5.8K]

F(x)=4+6+5/4+1
F(x)=4+6+5/5
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Answer =11

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3 years ago