29-05-2017
Mathematics

contestada

I'm having trouble answering this question

Im having trouble answering this question class=

Respuesta :

akaleti47 akaleti47

29-05-2017

balance= 5000(1+r*t/100)^t -800t where t = no. of years
at t=9, balance becomes 0
0=5000(1+9r/100)^9 -800*9

(1+9r/100)^9=7200/5000=1.44

1+9r/100=1.44^(1/9)=1.04134

9r/100=0.04134

r= 100*0.04134/9 = 0.459 %

Answer Link

Otras preguntas

1 metel sheet is 1.2 mm thick how many sheets must be put together to have a thickness of 1.44 cm?

Henry Clay was known for his skill in what?

(LC)Which statement describes how the outcome of the Battle of Midway impacted World War II? The U.S. victory allowed the navy to advance across the Pacific. Th

Carole earns $2.50 for each gadget she completes. What was her gross pay if she completed 145 gadgets last week?

what is 3 percent of $230,000.00

One pump fills a tank in 20 hours and another in 15 hours. When a third pump is added the tank fills in 6 hours. Find out how long it takes the 3rd pump to fill

What were the reasons for and the effectiveness of Truman's foreign policy during the early years of the Cold War

According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external fo

to determine the number of deer in a forest, a forest ranger tags 280 and releases them back into the forest, later 405 deer are caught out of which 45 of them

i really need help please!!