1 year ago

Pls help!

Mathematics

2 answers:

jek_recluse [69]1 year ago

7 0

Answer:

$11.25

Step-by-step explanation:

olga nikolaevna [1]1 year ago

6 0

Answer:

$11.25

Step-by-step explanation:

1.25 × 9 = 11.25

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What is the sum of (2x4 + 5x3 - 8x2 - x + 10) and (8x4 - 4x3 + x2 - x + 2)?

balu736 [363]

Option D: $10x^4+x^3-7x^2-2x+12$ is the right answer

Step-by-step explanation:

Given polynomials are:

$P_1 : 2x^4+5x^3-8x^2-x+10\\P_2: 8x^4-4x^3+x^2-x+2$

We have to find the sum of polynomials

So,

$S = P_1+P_2\\= (2x^4+5x^3-8x^2-x+10) + (8x^4-4x^3+x^2-x+2)\\=2x^4+5x^3-8x^2-x+10+8x^4-4x^3+x^2-x+2\\$

Combining like terms

$=2x^2+8x^4+5x^2-4x^3-8x^2+x^2-x-x+10+2\\= 10x^4+x^3-7x^2-2x+12$

Hence,

Option D: $10x^4+x^3-7x^2-2x+12$ is the right answer

Keywords: Polynomials, sum

Learn more about polynomials at:

#LearnwithBrainly

3 0

2 years ago

Read 2 more answers

ÜSLÜ SAYILAR

omeli [17]

cant understand your language can you translate in English

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2 years ago

Consider the quadratic function f(x) = x2 – 5x + 6.

PolarNik [594]

A = 2
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c = 6

The coefficients are 2 and -5
The constant is 6

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The ratio 4 to 7. would be 12 and 21

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Answer:

$\frac{10}{3}$

I hope this helps!

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2 years ago