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enot [183]
3 years ago
7

Hola, me podrían ayudar a simplificar está ecuación? 5x^2-7x(3x-8)+3x^2-8x+3

Mathematics
1 answer:
KengaRu [80]3 years ago
8 0

Answer:

-13x^2+48x+3

Step-by-step explanation:

=8x^2-21x^2+56x-8x+3

=  -13x^2+48x+3

(Recuerde hacer preguntas en inglés la próxima ve)

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Solve sint = cos2t, for –4π ≤ t ≤ –2π
e-lub [12.9K]

Answer:

-(23/6)π

-(19/6)π

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Step-by-step explanation:

cos2t=cos^2t-sin^2t => cos^2t=1-sin^2t =>cos2t=1-2sin^2t

sint=1-2sin^2t, if x=sint, thenn we have 2x^2+x-1=0

Here x=0.5, x=-1, as x=sint => sint = -1 solutions for -4π to -2π is t=-3π,

sint = 0.5 solutions for -4π to -2π is t= -(23/6)*π, and t = -(19/6)*π

3 0
3 years ago
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Answer:

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Step-by-step explanation:

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Pie
A diagram must be provided along with the question above. Based on my research, here is what I got.

<span>100 pi is the area of the entire circle
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