3 years ago

Confused on what to do

Mathematics

1 answer:

docker41 [41]3 years ago

7 0

Answer:

Step-by-step explanation:

Sorry if I am wrong

it is kinda confusing

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Can anyone Help I have 25 questions, 2hr 40mins remaining,

11Alexandr11 [23.1K]

Combining the like-terms, the result of the addition of polynomials f(x) and g(x) is given by:

$f(x) + g(x) = 21x^3 + \frac{5}{4}x^{\frac{1}{2}} + 19x^{-\frac{1}{4}} + 8x^{-4}$

<h3>How do we add polynomials?</h3>

We add polynomials combining the like-terms, that is, adding terms with the same exponent.

In this problem, the polynomials are:

$f(x) = 3x^{\frac{1}{2}} + 7x^{-\frac{1}{4}} + 8x^{-4}$

$g(x) = -\frac{7}{4}x^{\frac{1}{2}} + 12x^{-\frac{1}{4}} - 21x^3$

Combining the like terms, the addition is given by:

$f(x) + g(x) = \left(3 - \frac{7}{4}\right)x^{\frac{1}{2}} + (7 + 12)x^{-\frac{1}{4}} + 8x^{-4} + 21x^3$

$f(x) + g(x) = 21x^3 + \frac{5}{4}x^{\frac{1}{2}} + 19x^{-\frac{1}{4}} + 8x^{-4}$

More can be learned about addition of polynomials at brainly.com/question/9438778

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2 years ago

Can someone plz help me

JulsSmile [24]

Answer:

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Step-by-step explanation:

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Points N, P, and R all lie on circle O. Arc PR measures 120°. Circle O is shown. Line segment P N is a diameter that extends out

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Answer:

Step-by-step explanation:.

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Round 155 to the nearest ten .

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Step-by-step explanation:

The nearest ten for 155 would be 200

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Answer: x=3

Step-by-step explanation:

Subtract 7 from both sides to isolate x

$x+7-7=10-7\\x=3$

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