3 years ago

Adding and subtracting polynomials. help?

Mathematics

2 answers:

vekshin13 years ago

8 0

Answer:

Step-by-step explanation:

1. Remove brackets

2. add like terms (-8y and 2y)

3. copy the un-addble terms behind

PSYCHO15rus [73]3 years ago

6 0

Answer:

Third choice

Step-by-step explanation:

Add and subtract like terms:

-2xy - 6xy = -8xy

-8y - 2y = -10y

-4y^4 + y^4 = -3y^4

Combine them together, and you get:

-3y^4 - 8xy -10y

You might be interested in

the u.s census bureau has a population clock on the Internet .on a recent day , the united states population Was listed as 310,7

Kamila [148]

Three hundred and ten million, seven hundred sixty-three thousand, one hundred and thirty-six

3 0

3 years ago

nine people are to be distributed among three committees of two, three, four members and a chairperson is to be selected for eac

Sonja [21]

b is the answer to your promblem

8 0

3 years ago

I have been doing math all day, please help!

tester [92]

Substitute x and y with the value from table. The correct answer is A. 7=-3(-1)+4.

8 0

3 years ago

Read 2 more answers

3x+4y=11 x-2y=2 solve the system of equations

Ghella [55]

Answer
4.667

Step by step explanation

1.1 Solve 14x-3y+2=0

8 0

3 years ago

You wish to find a 95% confidence interval for the mean number of times men change channels with a remote control during a comme

gogolik [260]

For margin of error to be a maximum of 3:
3 = z*(SD / sqrt(n)), where z is the z-score, SD is the standard deviation and n is the sample size.
z = 1.96 for a 95% confidence interval, and we are given SD = 15.
3 = 1.96*15/sqrt(n)
sqrt(n) = 9.8
n = 96.04 ~ 96 commercials.

4 0

3 years ago