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Dvinal [7]
3 years ago
9

Find all the zeros of the equation -2x^4+27x^2+1200=0

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
4 0
For this case we have the following polynomial:
 -2x ^ 4 + 27x ^ 2 + 1200 = 0
 To solve the problem we apply the following steps:
 1) We make a change of variables u = x ^ 2
 2) We rewrite the polynomial
 3) Solve the quadratic equation using the formula for the quadratic equation
 4) We return the change and find four roots
 Answer:
 
See attached image for procedure and solution

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Solve the question below, please.
Ne4ueva [31]

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Adam: 52.26°

Step-by-step explanation:

Use Cosine Rule, Cos(C) = \frac{a^2 + b^2 - c^2}{2ab}, to find the angle of both players.

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b = 40 ft

c = 24 ft

Plug in the values into the equation

Cos(C) = \frac{50^2 + 40^2 - 24^2}{2*50*40}

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