3 years ago

What is the solution 2.8y + 6 + 0.2y = 5y – 14

Mathematics

1 answer:

Alborosie3 years ago

8 0

The answer to the question

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angle R

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To solve this we will use cosine rule

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cos(A) = $\frac{b^{2}+c^{2}-a^{2}}{2bc}$

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s = 11.04

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angleQ = $cos^{-1}(\frac{13.19^{2}+11.04^{2}-6.52^{2}}{2(13.19)(11.04)})$

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3 years ago