Mathematics, 22.08.2019 21:30, jackparo9640

How do you know a graph represents a function?

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Mathematics, 21.06.2019 17:00, nelyanariba981p555ve

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 19:20, docholiday

Math each whole number with a rational, exponential expression

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Mathematics, 21.06.2019 19:30, Fdl52417

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

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Mathematics, 21.06.2019 23:50, bob231280

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.