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ASHA 777 [7]
3 years ago
15

3/4 of a class went to see a movie. If 1/2 of the class went to the afternoon session, what fraction of the class went to the ev

ening session?
PLEASE HELP PLEASE HELP******
Mathematics
2 answers:
Paha777 [63]3 years ago
6 0
1/4 went to the evening session
ladessa [460]3 years ago
3 0
1/4 of the class went to the evening session.
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Complete the square in the denominator.

s^2 - 4s + 8 = (s^2 - 4s + 4) + 4 = (s-2)^2 + 4

Rewrite the given transform as

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Now take the inverse transform:

L^{-1}_t\left\{3\times\dfrac{s-2}{(s-2)^2+2^2} - 4\times\dfrac{2}{(s-2)^2+2^2}\right\} \\\\ 3L^{-1}_t\left\{\dfrac{s-2}{(s-2)^2+2^2}\right\} - 4L^{-1}_t\left\{\dfrac{2}{(s-2)^2+2^2}\right\} \\\\ 3e^{2t} L^{-1}_t\left\{\dfrac s{s^2+2^2}\right\} - 4e^{2t} L^{-1}_t\left\{\dfrac{2}{s^2+2^2}\right\} \\\\ \boxed{3e^{2t} \cos(2t) - 4e^{2t} \sin(2t)}

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Isn't that Roman Numerals? But anyways,

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Answer:

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Step-by-step explanation:

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To do this, we need to use the additive inverse and the method of K(eep)F(lip)C(hange)

So, the problem becomes: 9 + 10 = ?

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Answer:

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Step-by-step explanation:

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IrinaVladis [17]

Answer:

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I am assuming you mean y = -1/4x + 5.

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