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Drupady [299]
3 years ago
7

Which of the following polynomials corresponds to the subtraction of the multivariate polynomials 19x 3 + 44x 2 y + 17 and y 3 -

11xy 2 + 2x 2 y - 13x 3? y 3 - 6x 3 + 33x 2y + 2xy 2 + 17 20x3 - y3 + 33x 2y + 2xy 2 + 17 31x 3 - 6x 3 + 44x 2y + 11xy 2 + 17 32x 3 - y 3 + 42x 2y + 11xy 2 + 17
Mathematics
1 answer:
mixer [17]3 years ago
6 0
(19x^3+44x^2y+17)-(y^3-11xy^2+2x^2y-13x^3)

We can use the distributive property to distribute the subtraction sign:
19x^3+44x^2y+17-y^3--11xy^2-2x^2y--13x^3
When we subtract a negative it is the same as adding a positive:
19x^3+44x^2y+17-y^3+11xy^2-2x^2y+13x^3
Gather the like terms:
19x^3+13x^3+44x^2y-2x^2y+17-y^3+11xy^2
\\
\\=32x^3+42x^2y+17-y^3+11xy^2
Rearrange the polynomial in order of powers to x, greatest to least:
32x^3+42x^2y+11xy^2-y^3+17
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In a poll, respondents were asked whether they had ever been in a car accident. 259 respondents indicated that they had been in
Lera25 [3.4K]

Answer:

259 / 701

Step-by-step explanation:

Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.

For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one is attached to the event. If it doesn't a value of zero is attached to the event.

Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.

For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one is attached to the event. If it doesn't a value of zero is attached to the event.

probability of getting someone who has been in a car accident = number of respondents that have been in an accident / total number of respondents

total number of respondents = 259 + 442 = 701

 = 259 / 701  

4 0
3 years ago
5. What is the principal square root of -25?<br> -5 <br>No Real Number <br>5<br>1/5​
wlad13 [49]

Answer:

no real number

Step-by-step explanation:

no square root of neg. num.

if my anwser helps please mark as brainliest.

5 0
3 years ago
I need help with this!! ASAP
puteri [66]

Answer:

<em>x</em> = 16

Step-by-step explanation:

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6 0
3 years ago
Is 25.9578 a irrational
ICE Princess25 [194]
You mean is it an irrational number?

No, it's not!
An irrational number is a number that canNOT be expressed as a fraction, and this number can be easily represented as a fraction: such as this one:
\frac{259578}{10000}
8 0
3 years ago
A new online auction site specializes in selling automotive parts for classic cars. The founder of the company believes that the
LenKa [72]

Solution :

a). The required linear regression model is

Price = $-1242.986 + 75.017 \times \text{age of part} + 13.973 \times \text{ number of bidders}$

b). The $\text{p-value}$ for the variable "Age of part" is 0.0000

Since the $\text{p-value}$ is less than 0.05, so it is significant to the model.

The p-value for the variable "Number of bidders" is 0.1940

Since $\text{p-value}$  is not less than $0.05$, so it is significant to the model.

c). We cannot say that model is significant because variable " the number of bidders" is not significant.

But as both variables have positive coefficient so as the variable increases the price received for the item also increased.

7 0
3 years ago
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