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viktelen [127]
3 years ago
6

What is true about the completely simplified sum of the polynomials 3x2y2 − 2xy5 and −3x2y2 + 3x4y?

Mathematics
2 answers:
Assoli18 [71]3 years ago
6 0

Answer:

The sum is a binomial with a degree of 6

Step-by-step explanation:

we have

(3x^{2}y^{2}-2xy^{5})+(-3x^{2}y^{2}+3x^{4}y)

Group terms that contain the same variable

(3x^{2}y^{2}-3x^{2}y^{2})-2xy^{5}+3x^{4}y

0-2xy^{5}+3x^{4}y

-2xy^{5}+3x^{4}y

The sum is a binomial ( two terms) with a degree of 6  

-2xy^{5} has a degree of 6 (x has an exponent of 1, y has 5, and 1+5=6)

anzhelika [568]3 years ago
5 0

Answer:

D

Step-by-step explanation:

The sum is a binomial with a degree of 6.

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Hey there!

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Explanation:

Let's solve your equation step-by-step.

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A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks along the x-axis from the spotlight toward the bui
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Answer:

0.675 m/s

Step-by-step explanation:

Let height of shadow= y,CD=x

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Therefore, \frac{AB}{EC}=\frac{BD}{CD}

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Differentiate w.r.t t

x\frac{dy}{dt}+y\frac{dx}{dt}=0

x\frac{dy}{dt}=-y\frac{dx}{dt}

\frac{dy}{dt}=-\frac{y}{x}\frac{dx}{dt}

When the man is 4 m from  the building

Then, we have x=12-4=8 m

\frac{dx}{dt}=1.8 m/s

Substitute the values in above equation then, we get

8y=24

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Step-by-step explanation:

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3 years ago
Read 2 more answers
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