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Talja [164]
3 years ago
10

Please help me on this

Mathematics
2 answers:
emmainna [20.7K]3 years ago
8 0
I got 1/81

hope this helps.
nikdorinn [45]3 years ago
8 0
I got 1/81 as well :)
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Step-by-step explanation:

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2 years ago
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Answer:

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Step-by-step explanation:

We solve for the above question, using the formula for the Trigonometric function of Cosine

cos θ = Adjacent/Hypotenuse

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cos θ = 4/20

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2 years ago
Please help
dem82 [27]

Answer:

Step-by-step explanation:

1) we have to solve the associated equation

-16x^2 + 24x + 16 = 0

-2x^2 + 3x + 2 = 0

2x^2 -3x -2 = 0

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x2 = (3 - 5)/4 =-1/2

the x intercepts are -1/2 and 2

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V(y) = -16(9/16) + 24(3/4) + 16 = -9+18 + 16 = 25

V(3/4,25)

3) for draw a parabola is are necessary the coordinates of the vertex and of two points: one that lies to left of the vertex, and one that lies on the right to the vertex.

So we already have the necessary informations to draw it.

4 0
3 years ago
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