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4 years ago

6

A table with integer inputs has constant differences. When the input is 4, the output is 18. When the input is 11, the output is

60. Calculate the constant difference.

1 answer:

poizon [28]4 years ago

5 0

If the difference is a constant, the difference is : (60-18)/(11-4)=42/7=6

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Lemur [1.5K]

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Step-by-step explanation:

<u>The Law of Cosines</u>

When we know the value of all sides of a triangle, we can compute all of its interior angles by using the Law of Cosines, which is a generalization of the Pythagoras's theorem. If a,b, and c are the known sides of a triangle and $\alpha$ is the angle formed by sides a and b (opposite to c), then

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We'll use the values a=190, b=330, c=280 because we want to compute the angle opposite to c

$\displaystyle cos\alpha =\frac{a^2+b^2-c^2}{2ab}$

$\displaystyle cos\alpha =\frac{190^2+330^2-280^2}{2(190)(330)}$

$\displaystyle cos\alpha =\frac{36100+108900-78400}{125400}$

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$\boxed{\displaystyle \alpha= 57.9^o}$

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4 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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