Mathematics, 12.06.2020 19:57 ahmedeldyame
WORKSHEET #1
A scientist is conducting an experiment with an antibiotic on a colony of bacteria. The antibiotic he introduces kills 2% of the
bacteria colony each hour. The amount of bacteria remaining each hour can be represented by the equation y = 1,000,000
(0.98)x
How many bacteria will there be left in 8 hours?
How many bacteria will there be left in 24 hours?
How long will it be before the scientist will have half the beginning amount of bacteria?
Answers: 2
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Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
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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 18:00
Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )
Answers: 2
WORKSHEET #1
A scientist is conducting an experiment with an antibiotic on a colony of bacteria. Th...
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