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Ned dep be compe a. $35,30 $28,50 What is the 107 dec 113.5 de

Ned dep be compe a. $35,30 $28,50 What is the 107 dec 113.5 de

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question 21 

e' = e". a. x= 11/21 b. x = 77/3 x = -1 (d) x= 4/3 C. 19. Solve log, 256 = 4. a. x= 64 b. x = 1/64 (c.) x=4 с. d. x=25.2 20. Ned deposits $15,000 in a certificate of deposit. The annual rate is 10% and will be compounded monthly. How much will the certificate be worth in 9 years? a. $35,369.22 b.) $36,756.71 C. $28,500.00 d. $36,894.05 21. What is the decibel level of a whisper with intensity of 10107 watts per sq. in.? a. 107 decibels b. 77.8 decibels lce lm C. 113.5 decibels d. 13 decibels rest (13 . Stan invests $8,500 at age 16. He hopes the investment will be $12,500 en he turns 22. If the interest compounds continuously, approximately what loa les o/ d. 6.44% e of growth will he need to achieve his goal? b./ 6.63% C. 6.43% a. 7.84%
Transcribed Image Text:e' = e". a. x= 11/21 b. x = 77/3 x = -1 (d) x= 4/3 C. 19. Solve log, 256 = 4. a. x= 64 b. x = 1/64 (c.) x=4 с. d. x=25.2 20. Ned deposits $15,000 in a certificate of deposit. The annual rate is 10% and will be compounded monthly. How much will the certificate be worth in 9 years? a. $35,369.22 b.) $36,756.71 C. $28,500.00 d. $36,894.05 21. What is the decibel level of a whisper with intensity of 10107 watts per sq. in.? a. 107 decibels b. 77.8 decibels lce lm C. 113.5 decibels d. 13 decibels rest (13 . Stan invests $8,500 at age 16. He hopes the investment will be $12,500 en he turns 22. If the interest compounds continuously, approximately what loa les o/ d. 6.44% e of growth will he need to achieve his goal? b./ 6.63% C. 6.43% a. 7.84%
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