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MA373 S12 Quiz 1 Solutions

MA373 S12 Quiz 1 Solutions - {Ll/kch wiljlrutaaaw l f t W...

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Unformatted text preview: « {Ll/kch wiljlrutaaaw l) f t) W » Math 373 Spring 2012 Quiz 1 January 24, 2012 1. Grace invests 1000 today in an account earning simple interest at an annual rate of s . Tori invests X today in an account earning compound interest at an annual rate of 5%. During the 10th year of their investment, both accounts earn the same annual effective interest rate. At the end of the 10th year, the amount in Grace’s account is equal to the amount in Tori’s account. ‘ Determine X. \ 451$, fl 3% eager).ng 2% $2: N A “MW vma mg; aye»? m will“? moo (/ «7L /& K l l”? (22$ X "4:: WW IQ WWVW 2. You are given that i: 8%. Provide the answers to the following to five decimal places. Calculate theiginual nominal interest rate compounded quarterly. “92%;; L“ \ 4%} LW3>Q€ g MOE 5"“ (Pb? ' who. Li; may a» ‘7, “T7 out; (9/43 Calculate th e Calculate t 71.96“??? (a; Calculate d“). (3)”3 (a) mg HMQJL £3 l.oe~: ,iw£> 4 3. You are iven thatvt =————————-. g 0 4+0.1r+0.0m2 Calculate 610. “ I “Q x C2 5 H i“ « Ema SK Cx/(w W 0.02;??? aaog‘é ’_ %D;Q;Q%+Q¢Mm§&% g N j +7 %~~Q; amg Math 373 Spring 2012 Quiz 1 January 24, 2012 1. You are given that i: 9%. Provide the answers to the following to five decimal places. FWWKWW Calculate the monthly effective interest rev/Jam Calculate the orce ofinterest. ma Calculate d“). “:5 > ta“) W W W / lMTOMW> Mfwlfl “a 4 2. You are iven that vt :__._._____ g 0 4+0.1t+0.0hr2 . Calculate 58. I 15;) h 152; w ) gag aWSWWMaggy; gt 5 m5? @aQQH; w'wy. Qazg'i: 6:29 (:3 ‘72. é? . I 3. Grace invests 2000 today in an account earning simple interest at an annual rate of s. Tori invests X today in an account earning compound interest at an annual rate of 5%. During the 10th year of their investment, both accounts earn the same annual effective interest rate. At the end of the 10th year, the amount in Grace’s account is equal to the amount in Tori’s account. Determine X. M #0 Fl Maj Fifi/«m a rm er gs 2:; ML .. m l a as”? Ln 2: L a §~ MW ~ 0 $323 w I mmfié W fl %‘,: 0,0420% Z: (Q'gffi g Qua); S 3; Q C) Accumw/fl/‘Afl/ \m/W M Qfiflag 0c?th /L?) 53mm wig; l0 (‘8) “mg a WWW ,9 ,, Math 373 Spring 2012 Quiz 1 January 24, 2012 1. You are given that i: 6%. Provide the answers to the following to five decimal places. “Wfifim w x'mwwpuridfivg‘flmfmfimwmflh‘ Calculate effective interest rate. ~[l ext . v, r~ flirt/W4 A a» a am“, at MAW ta », m,,u.._w,fi M RIV/ ,7 ‘ r “M - Av m1¢mflur ‘ V ’ MM 7 '/. 4 Calculate the @8351 nominal interest rate compounded WNW (f ) Ll 1L!) L? 197) NRC/7”?) ":53 lbw/W"? "bub; qLLllot law-D: gtgk§§% 9/9 Calculate th “ 2. Grace invests 3000 today in an account earning simple interest at an annual rate of s. Z l Tori invests X today in an account earning compound interest at an annual rate of 5%. During the 10th year of their investment, both accounts earn the same annual effective interest rate. At the end of the 10th year, the amount in Grace’s account is equal to the amount in Tori’s account. Determine X. 3. You are given that v(t) = w AM my ma QM): 315:? S” Z if g M W' Q%O.!E+Q.®)t— 4 Calculate 66. L» ‘3” } +~ 0 m§é 6)? @00335132W W if) {C} [3 ' Q Hf MAW “MM; M «v @EI‘r‘ ’ ) ...
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