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Nat2105 [25]
3 years ago
14

multiply the polynomials. What is the coefficient of the last term? −4m(2m3 −6m2 + m − 5) = −8m4 +24m3 −4m2 ___m

Mathematics
2 answers:
lesya692 [45]3 years ago
6 0
+20m . Hope i helped
Semenov [28]3 years ago
4 0
20m. Hope this helped!! :)
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HELP. How long is the minor axis for the ellipse shown below?
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Given:

The equation of ellipse is

\dfrac{(x+4)^2}{25}+\dfrac{(y-1)^2}{16}=1

To find:

The length of the minor axis.

Solution:

The standard form of an ellipse is

\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1      ...(i)

where, (h,k) is center, if a>b, then 2a is length of major axis and 2b is length of minor axis.

We have,

\dfrac{(x+4)^2}{25}+\dfrac{(y-1)^2}{16}=1      ...(ii)

On comparing (i) and (ii), we get

b^2=16

Taking square root on both sides.

b=\pm 4

Consider only positive value of b because length cannot be negative.

b=4

Now,

Length of minor axis = 2b

                                  = 2(4)

                                  = 8

So, the length of minor axis is 8 units.

Therefore, the correct option is B.

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3 years ago
True or False? When computing descriptive statistics, we are interested only in describing our data, most often in terms of meas
olga_2 [115]

Answer:

True

Step-by-step explanation:

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4 years ago
A normal distribution in which approximately 68% of the data values fall within one standard deviation of the mean behaves accor
Komok [63]
That's the empirical rule.  Very useful!

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Answer:

Z> 4

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Step-by-step explanation:

Given that:

Z-2>2

Adding 2 on both sides

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i hope it will help you!

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3 years ago
A postulate is a conjecture that has been proved to be true.
Shtirlitz [24]

Answer:

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Step-by-step explanation:

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