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kari74 [83]
3 years ago
13

5x^3+9x^2+6x+1 times the polynomial x?

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
6 0

Answer:

(5x^{4} + 9x^{3} + 6x^{2}  + 1x)

Step-by-step explanation:

(5x^{3} + 9x^{2} + 6x + 1) * x

Multiplying the term by x, adds 1 to the power.

EG

5x^{3} * x = 5x^{3+1} = 5x^{4}

Therefore

(5x^{3} + 9x^{2} + 6x + 1) * =\\(5x^{4} + 9x^{3} + 6x^{2}  + 1x)

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Given that a 90% confidence interval for the mean height of all adult males in Idaho measured in inches was [62.532, 76.478]. Us
grigory [225]

Answer:

The confidence interval on this case is given by:

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}} (1)

For this case the confidence interval is given by (62.532, 76.478)[/tex]

And we can calculate the mean with this:

\bar X = \frac{62.532+76.478}{2}= 69.505

So then the mean for this case is 69.505

Step-by-step explanation:

Previous concepts

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

\bar X represent the sample mean  

\mu population mean (variable of interest)  

\sigma represent the population standard deviation  

n represent the sample size  

Assuming the X follows a normal distribution  

X \sim N(\mu, \sigma)

The confidence interval on this case is given by:

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}} (1)

For this case the confidence interval is given by (62.532, 76.478)[/tex]

And we can calculate the mean with this:

\bar X = \frac{62.532+76.478}{2}= 69.505

So then the mean for this case is 69.505

5 0
3 years ago
Money is borrowed at 12
tiny-mole [99]
Because 1023.68 is 112% of the loan, you can divide by 1.12 to get 914, which is the answer
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2 years ago
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The side length of a square S can be determined by the formula S equals the square root of a where a represents the area of the
kakasveta [241]

Answer:the side length of a square with the area 0.09 square meter is 0.3 meter.

Step-by-step explanation:

The side length of a square S can be determined by the formula S equals the square root of a where a represents the area of the square. It means that

S = √a

Therefore, the side length of a square with the area 0.09 square meter would be

S = √0.09 = 0.3 meter

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What is the volume of the prism below?
expeople1 [14]

the exact exact answer would be a decimal, but if you round it it will be c

hope this helps

Step-by-step explanation:

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3 years ago
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Please help me , please
Tatiana [17]

Answer:

c is correct

Step-by-step explanation:

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