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melomori [17]
3 years ago
5

The sum of the polynomial x^3+7x^2+8 and the product of the polynomials x^2–6x+4 and x–1

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
8 0
I am also not sure, because I also asked this question.

kipiarov [429]3 years ago
7 0

We have been asked to simplify

(x^3+7x^2+8)+(x^2-6x+4)(x-1)\\ \\ \text{First multiply the terms inside the parenthesis using FOIL we get}\\ \\ =(x^3+7x^2+8)+(x^3-6x^2+4x-x^2+6x-4)\\ \\ \text{Re-write the like terms together and simplify  we get}\\ \\ =(x^3+7x^2+8)+(x^3-7x^2+10x-4)\\ \\ =x^3+7x^2+8+x^3-7x^2+10x-4\\ \\ \text{Add the like terms together again and simplify we get}\\ \\ =2x^3+10x+4\\

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Evaluate the expression.
AVprozaik [17]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
The following data points represent the length of each song Roy the Rooster sang each morning since he
Lorico [155]

Answer:

Step-by-step explanation:

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4 0
3 years ago
A part selected for testing is equally likely to have been produced on any one of six cutting tools.
JulijaS [17]

Answer:

a)S= (1,2,3,4,5,6)

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c) 1/3 or 33.33%

d) 5/6 or 83.33%

Step-by-step explanation:

a) Sample space is the list of all the possible sample in this its either tool 1,2,3,4,5 or 6

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1/6 or 16.7%

c) probability of selecting from any tool is 16.7% so probability of selecting from 3 or 5 = 16.67% + 16.67% = 33.3%

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3 years ago
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Rina8888 [55]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Which number lines have points that represent additive inverses? Check all that apply.
jeka94
<h3>2 Answers: B and D</h3>

===================================================

Explanation:

Choice B is one answer because -2 and 2 are additive inverses that add to -2+2 = 0

Choice D is a similar story. We have -5+5 = 0

In general, if x is some number then -x is its additive inverse. So we can say x+(-x) = 0 or -x+x = 0. In short, additive inverses add to 0.

8 0
3 years ago
Read 2 more answers
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