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Author Question: Solve.In a chemical reaction, substance A decomposes at a rate proportional to the amount of A ... (Read 125 times)

bb

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on: Jun 16, 2021

Question 1

Solve.

In 1970, the population of a particular city is 785,000.   In 1980, the population of the city is 689,300.  Assume the population is decreasing according to the exponential-decay model.  When will the population of the city be 100,000?
◦ 2124
◦ 2134
◦ 2129
◦ 2139

Question 2

Solve.

In a chemical reaction, substance A decomposes at a rate proportional to the amount of A present. It is found that 10 g of A will reduce to 5 g in 3.5 hours.  After how long will there be only 1 g left?
◦ 8.8 hours
◦ 11.6 hours
◦ 8.1 hours
◦ 15.8 hours
Calculus and Its Applications ¦ Bittinger, Ellenbogen, Surgent ¦ 11th Edition
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Marked as best answer by bb on Jun 16, 2021

Pswine

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Reply #1 on: Jun 16, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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bb

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Reply 2 on: Jun 16, 2021
YES! Correct, THANKS for helping me on my review

jamesnevil303

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Reply 3 on: Yesterday
Excellent

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