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omeli [17]
2 years ago
11

/5" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
Veronika [31]2 years ago
6 0

Answer:

86.8 or 434/5

Step-by-step explanation:

31/3 *42/5

divide common factors

31/1 *14/5

multiply numerators and the denominator

31*14/1*5

434/5 or 868

frutty [35]2 years ago
4 0

Answer:

86.8 what form do u want this answer?

Step-by-step explanation:

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Two boats leave the same place at the same time. The first boat heads due north at 10 kilometers per hour. The second boat heads
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Answer:

18.87 km/hr

Step-by-step explanation:

First boat is heading North with a speed of 10 km/hr.

Second boat is heading West with a speed of 16 km/hr.

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The speed at which the distance is increasing between the two boats.

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\text{Hypotenuse}^{2} = \text{Base}^{2} + \text{Perpendicular}^{2}\\\Rightarrow AB^{2} = OA^{2} + OB^{2}\\\Rightarrow AB^2 = 25^2 + 40^2\\\Rightarrow AB^2 = 2225^2\\\Rightarrow AB^2 \approx 47.17\ km

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