Mathematics, 23.01.2020 03:31 pandasarecute53
The half-life of (carbon-14) is 5730 years. that is, it takes this many years for half of a sample of to decay. if the decay of is modeled by x' = -rx, where x is the amount of , find the decay constant r. ( r = 0.000121 yr⁻¹). in an artifact the percentage of the original remaining at the present day was measured to be 20 %. how old is the artifact?
Answers: 2
Mathematics, 21.06.2019 20:00
Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.
Answers: 2
Mathematics, 21.06.2019 23:00
Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.
Answers: 3
Mathematics, 22.06.2019 00:00
Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0
Answers: 1
Mathematics, 22.06.2019 00:30
Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax
Answers: 3
The half-life of [tex]^{14}c[/tex] (carbon-14) is 5730 years. that is, it takes this many years for...
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