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lapo4ka [179]
3 years ago
8

What is the first light bulb model?

History
1 answer:
Iteru [2.4K]3 years ago
7 0

Answer:

In 1878, Thomas Edison began serious research into developing a practical incandescent lamp and on October 14, 1878, Edison filed his first patent application for "Improvement In Electric Lights".

Explanation:

Inventor: Joseph Swan; Thomas Edison

points... and don't write back please.

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Ernest's friend Nik is about to be shot out of a connon. The path he will travel fallows a parabolic arch that can be described
KatRina [158]

Simplifying

F(x) = -0.05(x2 + -26x + -120)

Multiply F * x

xF = -0.05(x2 + -26x + -120)

Reorder the terms:

xF = -0.05(-120 + -26x + x2)

xF = (-120 * -0.05 + -26x * -0.05 + x2 * -0.05)

xF = (6 + 1.3x + -0.05x2)


Solving

xF = 6 + 1.3x + -0.05x2


Reorder the terms:

-6 + -1.3x + xF + 0.05x2 = 6 + 1.3x + -0.05x2 + -6 + -1.3x + 0.05x2

-6 + -1.3x + xF + 0.05x2 = 6 + -6 + 1.3x + -1.3x + -0.05x2 + 0.05x2


Combine like terms:

6 + -6 = 0

-6 + -1.3x + xF + 0.05x2 = 0 + 1.3x + -1.3x + -0.05x2 + 0.05x2

-6 + -1.3x + xF + 0.05x2 = 1.3x + -1.3x + -0.05x2 + 0.05x2

1.3x + -1.3x = 0.0

-6 + -1.3x + xF + 0.05x2 = 0.0 + -0.05x2 + 0.05x2

-6 + -1.3x + xF + 0.05x2 = -0.05x2 + 0.05x2

-0.05x2 + 0.05x2 = 0.00

-6 + -1.3x + xF + 0.05x2 = 0.00

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the anser is C. Father Hidalgo


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