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xxTIMURxx [149]
3 years ago
5

Expression 3x²+4x-5x=-2​

Mathematics
1 answer:
Ierofanga [76]3 years ago
5 0

Answer:

15

Step-by-step explanation:

I'm assuming that you want me to express x as -2.

3(-2)^2+4(2)-5

3*4+8-5

12+8-5

15

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Multiply the polynomials. (2x^2 + 6x + 6)(3x – 2)
DaniilM [7]

Hey there! :)

Answer:

6x³ + 14x² + 6x - 12.

Step-by-step explanation:

Given:

(2x² + 6x + 6)(3x - 2)

Multiply each term in the first polynomial by both terms in the second:

3x( 2x² + 6x + 6) - 2(2x² + 6x + 6) =

6x³ + 18x² + 18x - 4x² - 12x -12 =

Combine like-terms:

6x³ + 14x² + 6x - 12.

6 0
3 years ago
Which line plot correctly shows the 1st quartile, the median, and the 3rd quartile for this data set?
kicyunya [14]

Answer:

Median is 36 I believe it was the first 1st graph shown.  1st quartile is 31

Step-by-step explanation:

3 0
3 years ago
Find the value of the linear correlation coefficient r. Round to 3 decimal places. (47, 8), (46, 10), (27, 10)
Mnenie [13.5K]

Answer:

- 0.5379

Step-by-step explanation:

Given the data below :

(47, 8), (46, 10), (27, 10)

X:

47

46

27

Y:

8

10

10

Using the functionality of the correl() function in excel, which takes in the x and y values of a data. The value of correlation Coefficient (r) obtained is - 0.5379 which indicates that a fairly strong negative correlation exists between the x and y variables. As the the strength of correlation depends on how close the Coefficient is to 1 (strong) or 0 ( weak). Negative value indicates that an increase in the value of one variable leads to a decrease on the value of the other.

6 0
3 years ago
Whats the prime factorization for 59. Also whats the factorization for 61. Thank chu!
Ainat [17]
1,59 and 1,61 are the prime factoratiozons for 59 and 61

8 0
4 years ago
51 divided by 4539 answer
Free_Kalibri [48]

Answer:

51/4539=.01123596

4539/51=89

Step-by-step explanation:

6 0
3 years ago
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