Question

10(1.02)^(x/6)=60
what is the value of x

Answer 1

hmmm first of all..ill ask...are you allowed to use a calculator here?

Answer 2

yes

Answer 3

good...first of all..divide both sides bby 10 to get rid of the ten in the left hand side...what will that give you?

Answer 4

(1.02)^(x/6)=6

Answer 5

nice...now we take the logarithm to isolate x..will you do it? :D

Answer 6

I dont understand that part. What to put in the calculator

Answer 7

no calculators yet..it's still just..

log_1.02 (6) = x/6

good?

Answer 8

1.02=x?

Answer 9

hhowd you get that?

Answer 10

multiplied both sides by 1/6

Answer 11

?

Answer 12

ohh...well it doesnt work that way...one..you multiply oth sides by 6.....second..it becomes...

6log_1.02 (6) = x

so...via power rule

log_1.02 (6)^6 = x

do you know how to input that in calculator?

Answer 13

no

Answer 14

?

Answer 15

you type log (6^6) divided by log (1.02)

Answer 16

so 542.8853785?

Answer 17

yep :D

Answer 18

thank you!!!

Answer 19

sorry for the late reps...some probs with my browser..izlagging :P haha but you're welcome <tips hat>