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Mathematics, 21.06.2019 17:00
Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?
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Mathematics, 21.06.2019 23:50
What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is
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Mathematics, 22.06.2019 00:00
Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?
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