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Mama L [17]
3 years ago
14

2(x-4)+?=8x-9 what is the missing polynomial

Mathematics
1 answer:
Alex777 [14]3 years ago
5 0
First use distributive property on the left side
2x - 8 + _________ = 8x - 9
What do u need to make 2x - 8 into 8x - 9
6x - 1
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Divide using synthetic division. ( x^4-12x^2-9)/(x+3)
Firdavs [7]

Answer:

x^3 - 3x^2 - 3x + 9 + (-36/(x+3))

OR

x^3 - 3x^2 - 3x + 9 - (36/(x+3))

Step-by-step explanation:

First set the divisor equal to 0:

x + 3 = 0

Subtract 3 from both sides

x = -3

This is what you'll divide the dividend by in synthetic division.

Take the coefficents of each term in the dividend. Do not forget the 0 placeholders:

x^4 + 0x^3 - 12x^2 + 0x -9

Coefficents: 1. 0.  -12. 0 -9.

Please see the image for the next steps.

The remainder is -36. Put the remainder over the divisor and add it to the polynomial (shown in image)

-36/(x+3)

6 0
3 years ago
PLEASE HELP. I WILL MARK BRAINLIEAST!!
emmainna [20.7K]
There’s technically two answers, you could put Angles 3 and 6, or Angles 7 and 2
3 0
3 years ago
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A study dealing with health care issues plans to take a sample survey of 1500 Americans to estimate the mean dollar amount that
frutty [35]

Answer:

The population parameter of this study is the population mean.

Step-by-step explanation:

A population parameter is a numerical measure representing a certain characteristic of the population. For example, population mean, population variance, population proportion, and so on.

The population parameter is computed using all the values of the population.

The population parameter can be estimated using the sample statistic. If the value of the population parameter is not known, then a random sample of large size, say <em>n</em> ≥ 30 can be selected from the population and the statistic value can be computed. This statistic value is considered as the point estimate of the parameter. It is also known as the unbiased estimator of the parameter.

In this case the survey involved sampling of 1500 Americans to estimate the mean dollar amount that Americans spent on health care in the past year.

The sample selected is used to compute the sample mean dollar amount that Americans spent on health care.

So, the population parameter of this study is the population mean.

7 0
3 years ago
What is the slope of a line in hat is parallel to the following: y = 3x - 4
Tcecarenko [31]

Answer:

The slope is 3

Step-by-step explanation:

Parallel lines always have the same slopes. This equation is in slope-intercept form, y=mx+b, m being the slope. Our m, or the slope, is 3, and because the line is parallel, it also has a slope of 3.

3 0
3 years ago
I need help with this problem ​
Zolol [24]

Answer  

11

Step-by-step explanation:

7 0
3 years ago
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