Mathematics, 10.01.2020 01:31, kenna0

Inayah spent 566 minutes combing her hair last week using six different kinds of combs. how many minutes did she spend using each comb

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Mathematics, 21.06.2019 16:50, lunamoon1

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

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Mathematics, 21.06.2019 20:00, wayneh24

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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Mathematics, 21.06.2019 20:30, cupcake20019peehui

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?

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Mathematics, 21.06.2019 21:00, kyllow5644

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?