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Umnica [9.8K]
3 years ago
8

HELP PLEASE!!!!Which of the following is a polynomial with roots:

Mathematics
1 answer:
sergey [27]3 years ago
3 0

Answer:

P(x) =  x^{3}  - 2x^{2} -3x + 6 is the desired polynomial.

Step-by-step explanation:

The roots of the  polynomial is \sqrt{3}, -\sqrt{3}  and 2.

Hence, the zeroes of the polynomial with respective roots is:

(x - \sqrt{3}), (x + \sqrt{3} ) and (x -2)

Now, if we multiply all the zeroes, we get the desired polynomial.

P(x) = (x - \sqrt{3})(x + \sqrt{3} )(x -2)

or, P(x) =  (x^{2}  - 3)(x-2) = x^{3}  - 2x^{2} -3x + 6

or, P(x) =  x^{3}  - 2x^{2} -3x + 6

Hence, option D is the correct option.

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Find the product: −5(−3)(−3)<br> A) −30<br><br> B) −45<br><br> C) 30<br><br> D) 45
morpeh [17]

Answer:

30

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A set of exam scores is normally distributed and has a mean of 80.2 and a standard deviation of 11. What is the probability that
ZanzabumX [31]

Answer:

93.32% probability that a randomly selected score will be greater than 63.7.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 80.2, \sigma = 11

What is the probability that a randomly selected score will be greater than 63.7.

This is 1 subtracted by the pvalue of Z when X = 63.7. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{63.7 - 80.2}{11}

Z = -1.5

Z = -1.5 has a pvalue of 0.0668

1 - 0.0668 = 0.9332

93.32% probability that a randomly selected score will be greater than 63.7.

5 0
3 years ago
Please help asap !!!!!
Natasha2012 [34]

Answer:

<em>XY = 92 units</em>

Step-by-step explanation:

<u>Similar Shapes</u>

Two shapes are similar if all their corresponding side measures are in the same proportion.

The triangles UVW and YVX are similar because their side lengths are in the proportion 1:2, given the tick marks provided in the drawing.

This means that the measure of VX is twice the measure of VW,

The measure of YV is twice the measure of UV

The measure of XY is twice the measure of UW

This last proportion gives the equation:

z + 46 = 2z

Solving for z:

z = 46

Thus, XY = z+46 = 92

XY = 92 units

6 0
3 years ago
Draw a quick picture to show the number 68 In two ways
enot [183]
You can draw two quarters, a dime, a nickel, and three pennies. Or 6 dimes and 8 pennies.
7 0
3 years ago
suppose you have a bag that hold 27 pieces of candy: 1 cream soda, 14 apple, and 12 root beer. you reach into the bag to pull ou
Alex787 [66]
I order to solve this you have to find out how how much root beer there is to the total amount of candy. 12/27. Then you find out what the percentage of root beer there is by dividing 12 by 27. It’ll give you a decimal point. Percentage has a maximum of 100%. And you’ll find out what percent based on this decimal. Factor it out of 1. The percentage you get is .44. By factoring out of 1 you can find out that the percentage is 44%. So the probability of finding a root beer out of all the candy is roughly 44%
7 0
3 years ago
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