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never [62]
3 years ago
8

Substitute 3 for x and evaluate the expression below.

Mathematics
1 answer:
lana66690 [7]3 years ago
6 0

Answer:4

Step-by-step explanation:3-8=-5. But because it is in absolute value, it would be positive 5. And then 5-1=4.

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Find the sum and choose the correct answer. <br> 2n 3 + 4n 2 - 7 and -n 3 + 8n - 2
MrRa [10]

The sum of the polynomials 2n³ + 4n² - 7 and -n³ + 8n - 2 will be n³ + 4n² + 8n - 9. Then the correct option is B.

<h3>What is polynomial?</h3>

A polynomial expression is an algebraic expression with variables and coefficients. Unknown variables are what they're termed. We can use addition, subtraction, and other mathematical operations. However, a variable is not divisible.

The polynomials are given below.

2n³ + 4n² - 7 and -n³ - 8n - 2

The sum of the polynomials will be

⇒ 2n³ + 4n² - 7 + (-n³ - 8n - 2)

⇒ 2n³ + 4n² - 7 - n³ - 8n - 2

⇒ n³ + 4n² - 8n - 9

The sum of the polynomials 2n³ + 4n² - 7 and -n³ + 8n - 2 will be n³ + 4n² - 8n - 9.

Then the correct option is B.

More about the polynomial link is given below.

brainly.com/question/17822016

#SPJ1

6 0
1 year ago
Please help due today
aleksklad [387]
Turn the triangle around, because you have to reflect it, if you need extra help lmk
6 0
3 years ago
I just need answers I dont need an explanation!!
Evgesh-ka [11]

Step-by-step explanation:

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well those are the answers

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Alex Ar [27]
The equation is :
y = -.5/1 + 1
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How do you get the answer to 4x+10=-26
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4x = -36  Subtract 10 from both sides
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