Mathematics, 19.06.2020 00:57 shyyyy13
2.Mrs. Fernandez and Mrs. Bosiljevac invaded the biology lab! They find some bacterial cultures and decide to experiment. Mrs. Fernandez has 160 bacteria in a Petri dish, that double every 10 hours. Mrs. Bosiljevac has 10 bacteria, that quadruple every 5 hours.
a) After how many hours will each culture have the same number of bacteria? Round to the nearest tenth.
b) How many bacteria will there be in each Petri dish at this time? Round your final answer.
Answers: 3
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Answers: 3
Mathematics, 21.06.2019 22:30
9.4.34 question to estimate the height of a stone figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a meter?
Answers: 1
Mathematics, 21.06.2019 22:40
If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).
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Mathematics, 21.06.2019 23:30
Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y
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2.Mrs. Fernandez and Mrs. Bosiljevac invaded the biology lab! They find some bacterial cultures and...
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