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s344n2d4d5 [400]
1 year ago
9

Solve each triangle: Find all the missing sides and angles. Round answers to the nearest tenth.

Mathematics
1 answer:
horrorfan [7]1 year ago
3 0

Step-by-step explanation:

let \: angle \: be \:  \alpha  \\  \tan( \alpha )  =  \frac{p}{b}  \\  \tan(69.9)  = \frac{9.7}{bc}  \\ bc =  \frac{9.7}{2.73}  \\ bc = 3.55 \\ by \: using \: pythagorean \: theorem \\ ab =  \sqrt{ {9.7}^{2} }  +  {2.73}^{2}  \\ ab = 10.07

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Answer:

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Step-by-step explanation:

Let the price of 1 doll  = $ x

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Now, according to the question:

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Solving the given system of equation,

From (1), we get

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and the Cost of 1 toy train =  y = $ 5

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