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Oksi-84 [34.3K]
2 years ago
13

Find a polynomial function of lowest degree with

Mathematics
1 answer:
ra1l [238]2 years ago
8 0

Answer:

x^3-4x^2+25x-100

Step-by-step explanation:

We have 2 roots -5i and 4. Using the conjugate root theorem for the root -5i, we know that 5i should be another root

Combining the roots into a polynomial gives us:

(x+5i)(x-5i)(x-4)

Expand:

(x^2 + 25)(x-4)

x^3-4x^2+25x-100

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Describe the sample variance using words rather than a formula. do the same with the population variance
Korvikt [17]

The option D is the correct option.

According to the statement

we have to define the sample variance in the words.

So,

The sample variance is the sum of the squared deviations from the mean divided by the number of measurements minus one.

and in the case of the population variance it becomes

The population variance is the average of the squared distances of the measurements on all units in the population from the mean.

This is the method by which we define the sample variance and population variance.

So, The option D is the correct option.

Learn more about the VARIANCE here brainly.com/question/15858152

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2 years ago
The tree frog population in your back yard doubles every two weeks. Currently, there are 10 frogs in your back yard. Assuming th
Minchanka [31]
There should be 80 but I'm not 100%.......
6 0
3 years ago
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A negative number with an absolute value less than 4.
Mars2501 [29]

Answer:

I think its -4.

3 0
3 years ago
Which is greater? 670.9 or 670.008
Free_Kalibri [48]

Answer:

670.9

Step-by-step explanation:

because 670.9 is bigger and 670.008 has more 0's and 0's aren't greater

5 0
3 years ago
PLZ HELP **URGENT** BRAINLIEST TO FIRST ANSWER **HELP PLZ**
kumpel [21]

Answer:

Step-by-step explanation:

EF - base1

HG - base2

J-midpoint of EH

K-midpoint of FG

We are solving it by using formula:

JK=(base1+base2):2

25=(3x+2+7x-2):2

25*2=10x

50=10x

x=50:10

x=5

Good luck!

5 0
3 years ago
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