Mathematics, 06.06.2020 01:57, jeremytheprimerapper
A sample of 400 g of radioactive lead-210 decays to polonium-210 according to the function A(t) = 400 € -0.052, wheret is time in years. Find the amount of
radioactive lead remaining after (a) 3 y. (b) 8 y. (c) 15 yr. (d) Find the half-life.
(a) The amount of radioactive lead remaining after 3 yr will be
(Round to the nearest integer as needed.)
Answers: 3
Mathematics, 21.06.2019 17:00, jenn8055
Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.
Answers: 1
Mathematics, 21.06.2019 21:50, shay68596
What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality
Answers: 3
Mathematics, 22.06.2019 00:00, colemanjosiah03
Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%
Answers: 3
A sample of 400 g of radioactive lead-210 decays to polonium-210 according to the function A(t) = 40...
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