Mathematics, 01.08.2019 01:00 karmaxnagisa20
How long will it take for 750 mg of a sample of radium-225, which has a half-life of about 15 days, to decay to 68 mg? a. ≈ 50 days b. ≈ 54 days c. ≈ 48 days d. ≈ 52 days
Answers: 2
Mathematics, 21.06.2019 16:40
Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?
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Mathematics, 21.06.2019 17:30
Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .
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Mathematics, 21.06.2019 18:20
The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?
Answers: 2
Mathematics, 21.06.2019 19:30
For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
Answers: 1
How long will it take for 750 mg of a sample of radium-225, which has a half-life of about 15 days,...
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