Mathematics, 27.03.2020 17:45 emma8437
The half-life of cesium-137 is 30 years. Suppose we have a 180-mg sample. (a) Find the mass that remains after t years. (b) How much of the sample remains after 120 years? (Round your answer to mg (c) After how long will only 1 mg remain? (Round your answer to one decimal place.) T = yr
Answers: 3
Mathematics, 22.06.2019 01:30
Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?
Answers: 3
Mathematics, 22.06.2019 03:30
The elmina wilson company produces spaghetti sauce that is used in restaurants. the fixed costs total $1,329,050. the selling price per 64 oz. can of sauce is $12.40. the variable cost per can is $4.80. what is the break-even point in number of cans?
Answers: 1
Mathematics, 22.06.2019 05:30
The probability brenda will recieve a telemarketing call is 15%. if she gets 20 calls a day, how many can she expect to be telemarketing calls ?
Answers: 1
The half-life of cesium-137 is 30 years. Suppose we have a 180-mg sample. (a) Find the mass that rem...
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