如題..聽日要交架!希望你地可以解答到勒=]
Miss Tang deposits some money in a bank at an interest rate of 9% p.a. compounded monthly. after 2 months, an amount of $73084.05 will be obtained.Find the intial deposit of Miss Tang in the bank.
咁佢原本有幾$係bank..同埋點計??
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有1條數學問題..急!!10點!
2008-10-20 12:07 am
回答 (4)
2008-10-20 1:43 am
✔ 最佳答案
Let a be the inital depositof Mr Tang in the bank.a[1+(9%/12)]^2=73084.05
a[1+(0.09/12)]^2=73084.05
a(1+0.0075)^2=73084.05
1.01505625a=73084.05
a=72000
Hope I can help you.
參考: my maths knowledge
2008-10-20 4:53 am
Let X be the inital depositof Mr Tang in the bank.
X[1+(9%/12)]^2=73084.05
X[1+(0.09/12)]^2=73084.05
X(1+0.0075)^2=73084.05
1.01505625X=73084.05
X=72000
Hope me can help you!!
X[1+(9%/12)]^2=73084.05
X[1+(0.09/12)]^2=73084.05
X(1+0.0075)^2=73084.05
1.01505625X=73084.05
X=72000
Hope me can help you!!
2008-10-20 1:27 am
Let X be the inital depositof Mr Tang in the bank.
X[1+(9%/12)]^2=73084.05
X[1+(0.09/12)]^2=73084.05
X(1+0.0075)^2=73084.05
1.01505625X=73084.05
X=72000
X[1+(9%/12)]^2=73084.05
X[1+(0.09/12)]^2=73084.05
X(1+0.0075)^2=73084.05
1.01505625X=73084.05
X=72000
參考: me
2008-10-20 12:16 am
個原金額係$72000
x[1+(9/12)%]^2 =73084.05
x=73084.05/1.01505625
x=72000
x[1+(9/12)%]^2 =73084.05
x=73084.05/1.01505625
x=72000
收錄日期: 2021-04-19 20:35:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081019000051KK01525