zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

mr smith invested 200000 into a fund that compounded interest continuously. Ten years later his account had a balance of 220000. what interest rate did his investment earn

解答

m r s mi t h in v es t e d 200000 in t o a f u n d t ha t co m p o u n d e d in t eres t co n t in u o u s l y . T e n ye a rs l a t er hi s a cco u n t ha d a ba l an ce o f 220000. w ha t in t eres t r a t e d i d hi s in v es t m e n t e a r n

解答

Rate : 0.95765 \dots %

求解步骤

Translate the problem into an equation:

220000 = 200000 (1 + \frac{r}{1})^{1 \cdot 10}

求解

r, 220000 = 200000 (1 + \frac{r}{1})^{1 \cdot 10} : r = 0.95765 \dots %

Rate : 0.95765 \dots %

流行的例子

The 周长 of a circle is 25.12 yards. What is the circle's area?The 40th term of the number sequence is 119.(b) Work out the 41st term of the number sequence.A land is in the shape of rectangle. Find the 面积 of the land whose side lengths are 3sqrt(8) inches and 2sqrt(8) inches.What number is 29% of 45 127.5 is 250% of what number