Which method is most efficient method to use to solve 2x^2+5x-11=0

Mathematics

1 answer:

dangina [55]3 years ago

8 0

May be you can use the quadratic equation formular.

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In the right triangle shown in the diagram below,

adelina 88 [10]

QUESTION :-

what is the value of x to the nearest whole number?

ANSWER :-

$\cos( \theta) = \frac{base}{hypotenuse} \\ \cos(30) = \frac{x}{24} \\ \frac{ \sqrt{3} }{ \cancel2} = \frac{x}{ \cancel{24}} = \frac{x}{12} \\ 1.732 = \frac{x}{12} \\ 12 \times 1.732 = x \\ x = 20.7$

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Answer:

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Step-by-step explanation:

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