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Advocard [28]
3 years ago
11

Solve the following. 2x^2-7x-4/6x^2+7x+2<0 Can someone explain how to solve this.

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0

Answer:

Which one have same variable gather or decrease up

Step-by-step explanation:

2x^2-4.6x^2=1.4x^2

-7x+7x=0

1.4x^2+2<0

x<0

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Answer:

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Step-by-step explanation:

To solve this problem use the law of the sines.

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\frac{sin(A)}{a} = \frac{sin(B)}{b} = \frac{sin(C)}{c}

Then:

\frac{sin(92)}{4.6} = \frac{sin(19)}{b}\\\\b = \frac{sin(19)}{\frac{sin(92)}{4.6}}\\\\b = 1.5

\frac{sin(B)}{b} = \frac{sin(C)}{c}\\\\\frac{sin(19)}{1.5} = \frac{sin(69)}{c}\\\\c = \frac{sin(69)}{\frac{sin(19)}{1.5}}\\\\c = 4.30

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