Question

3 ln 3 + 3 ln c

Answer 1

\[\ln(a)+\ln(b)= \ln(a \times b)\]

Answer 2

This is a rule, apply this rule here.

Answer 3

so 3 would be my a and c would be my b ?

Answer 4

yes.
(But not the coefficient 3, the ln 3.)

Answer 5

so what happens to the coefficient 3 ?

Answer 6

what is this rule called by the way ?

Answer 7

idk, the name, I know it is true though, I took trig last year.
lets say you had 3x+3y so it would be 3(x+y).
in you case you would have one 3. b/f ln.

Answer 8

so my answer would be ln 3c ?

Answer 9

no, 3ln(c+3)

Answer 10

See?

Answer 11

i thought you told me to multiply a and b though ?

Answer 12

sorry i dont mean to be difficult im just confused with this lesson

Answer 13

No,\[aln(x)+aln(b)=aln(a+b)\]

Answer 14

thank you so muuch (:

Answer 15

Anytime!

Answer 16

look what else have I found for you,
http://www.rapidtables.com/math/algebra/Ln.htm#ln definition

Answer 17

i was just on it haha thank you.

Answer 18

Before asking?

Answer 19

is there a way i can contact you again when im stuck on a problem ?

Answer 20

no just now i searched it up

Answer 21

@SolomonZelman
@wendylisette

Answer 22

See how I tag? @wendylisette

Answer 23

@SolomonZelman oh ok i see

Answer 24

Good!

Answer 25

A company with loud machinery needs to cut its sound intensity to 37% of its original level. By how many decibels would the loudness be reduced? Use the formula

L = 10 Log I over I 0 @SolomonZelman help me with this one please

Answer 26

Yes, but make a new question, one question per each problem, this way the site can maintain order.
OK?
Just make a new question.

Answer 27

I is in a division bar over I ( capital i ) and with a small 0 or o ( im not sure ) at the bottom right corner

Answer 28

ok

Answer 29

@SolomonZelman how do i type a new question ?

Answer 30

Close this question, and open a new one.