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Author Question: An investment of P dollars is deposited in a savings account that is compounded quarterly with an ... (Read 117 times)

Haya94

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on: Dec 18, 2021

Question 1

Five hundred grams of a particular radioactive substance decays according to the function where t ≥ 0 measures the time in years. When does the mass of the substance reach 10 grams? Round to the nearest year.
◦ 800 years
◦ 488 years
◦ 1931 years
◦ 1565 years

Question 2

An investment of P dollars is deposited in a savings account that is compounded quarterly with an annual interest rate of r, where r is expressed as a decimal. The amount of money A in the account after t years is given by A = P (1 + r/4)4t. Use this equation to determine the time it takes for an investment of $10,000 to increase to $12,000 if it is placed in an account that is compounded quarterly with an annual interest rate of 1.6%. Round to the nearest tenth.
◦ 2.9 years
◦ 9.6 years
◦ 45.7 years
◦ 11.4 years
Calculus: Early Transcendentals ¦ Briggs, Cochran, Gillett, Schulz ¦ 3rd Edition
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Marked as best answer by Haya94 on Dec 18, 2021

heyhey123

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Reply #1 on: Dec 18, 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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Haya94

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Reply 2 on: Dec 18, 2021
Excellent

sarah_brady415

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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