Mathematics, 13.09.2021 19:00, alyssavwil7499
A certain substance has a half-life of 4 minutes. A fresh sample of the substance weighing 90 mg was obtained. After how many minutes will there be 23 mg of the substance remaining?
Answers: 3
Mathematics, 21.06.2019 14:00, hockeykid7583
The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?
Answers: 1
Mathematics, 21.06.2019 16:30, kittylover613
Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?
Answers: 1
Mathematics, 21.06.2019 18:50, beeboppity
7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?
Answers: 3
A certain substance has a half-life of 4 minutes. A fresh sample of the substance weighing 90 mg was...
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