Miss Penny inherits £330.
She decides to save some of the
money and spend the rest.
The...
Mathematics, 31.01.2021 22:00, aclm2001
Miss Penny inherits £330.
She decides to save some of the
money and spend the rest.
The ratio of savings to spending
money is 7:4
How much does she save and how
much does she spend?
Saving
Spending money
Answers: 3
Mathematics, 21.06.2019 20:00, songulakabulut1992
Maurice has 54 fewer comic books than rebecca. they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection
Answers: 1
Mathematics, 22.06.2019 03:00, TheOriginalMeyah
The biologist has a second culture to examine. she knows that the population of the culture doubles every 15 minutes. after 1 hour and 15 minutes, her assistant found that 80,000 bacteria were present. a) what was the size of the initial population? b) predict the size of the culture at t=3 hours. what was the size of the population at 40 minutes? explain and justify your answers. c) create a graph of the population as a function of time. find an equation that can be used to predict the size of the population at any time t. d) examine the rate at which the bacteria culture is growing. how fast is the culture growing after 1 hour? after 1.5 hours? after 2 hours? use a time interval of h = 0.01 hours to estimate these rates. interpret these rates in terms of the context of the problem situation. how do these three rates compare?
Answers: 1
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