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nalin [4]
3 years ago
14

What is the simplified expression for –2a^2b + a^2 – 5ab + 3ab^2 – b^2 + 2(a^2b + 2ab)?

Mathematics
1 answer:
Vesna [10]3 years ago
3 0
-2a^2b + a^2 - 5ab + 3ab^2 - b^2 + 2(a^2b + 2ab) \\ =-2a^2b + a^2 - 5ab + 3ab^2 - b^2 + 2a^2b + 4ab \\ = a^2 - ab + 3ab^2 - b^2
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Pls help I need a good grade
zvonat [6]

Answer:

p=5

Step-by-step explanation:

28-13=3p

15=3p

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3 years ago
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Determine the linear factors 18x^3-34x^2+16x
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Answer:

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Step-by-step explanation:

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An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis
jeka94

For given problem:

Put midpoint of ellipse, (0,0) at epicenter of bridge at ground level.

Specified length of vertical major axis = 70=2a

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a^2=1225

 

Equation of ellipse:

 

x^2/b^2+y^2=1

 

plug in coordinates of given point on ellipse(25, 10)

 

25^2/b^2 + 10^2/a^2 = 1

 

625/b^2 + 100/1225=1

 

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8 0
4 years ago
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tatyana61 [14]

Answer:

D.

Step-by-step explanation:

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maks197457 [2]

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4x-2x-20x+x

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