445 Answered Questions for the topic Logarithms

Logarithms Calculus Calculus 1

07/06/15

The magnitude R of an earthquake of intensity I is defined as R=log(I/I0) where I0 is a minimum intensity used for comparison. An earthquake has n intensity of
The magnitude R of an earthquake of intensity I is defined as R=log(I/I0) where I0 is a minimum intensity used for comparison. An earthquake has n intensity of 106.5 x I0. What is its magnitude on... more
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Logarithms

07/05/15

Word Problem Involving Logarithm
Question 3The price of a brand new car was $180000 on 1st January 2008. Its value depreciated in such a way that t months after the purchase, the sale price, $P, is determined by the formula t P e... more
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Logarithms

07/02/15

Expand the logarithm...it is in the description
log4(3xyz)2 expand this and correctly put it in parentheses
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Logarithms

07/02/15

Expand the logarithm log((5x)/(4y))
Expand the logarithm and correctly put it in parentheses 
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Logarithms Honors Algebra Ii

07/02/15

Is the power property used to rewrite 3Squareroot log(5x-1)=log1/3? this is made up question just for property
 3Squareroot log(5x-1)=log1/3  
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Logarithms Algebra 2

07/02/15

What is log5x-1=3, is it log(5x-1)=3 or log(5x)-1=3?
ANSWER AND STEPS PLEASE!! PLEASE ANSWER SOON TOO!!!!!!!!!!!!!
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Logarithms

07/01/15

3Square root of log(5x-1)/(2x-1)=log1/3 x-1, what is the property used to rewrite the equation?
3Square root of log(5x-1)/(2x-1)=log1/3 x-1       STEPS AND ANSWER please and thank you very much for ur help
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Logarithms

07/01/15

So I have an logarithm I can't get, it says log 5x-1=3... Does that mean log(5x-1)=3 or log(5x)-1=3
answer and steps pls!!!!!!!!!!!!!! long5x-1=3
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Logarithms

07/01/15

So I have an logarithm I can't get, it says log 5x-1... Does that mean log(5x-1) or log(5x)-2
Answer please!!! Steps pls too!
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Logarithms Properties Of Logs

07/01/15

What property is used to rewrite this problem? It can't be solved but I want to know how you can...
. 3   ___ log\/5x-1.   =log1   2x-1.               3  x-1   Remember this is a made up question
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Logarithms

07/01/15

So I have an logarithm I can't get, it says log 5x-1... Does that mean log(5x-1) or log(5x)-2
What is the answer too? Can you also list the steps? Thank you very much for your help.
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Logarithms Natural Log

06/14/15

show that each expression is equivalent to ln8
(log102 + log104) / log10 e   I got as far as: log108/log10e but then I don't know how to simplify log10e and end up getting ln8 as an answer
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Logarithms

06/10/15

write as a single logarithm with a coefficient of 1: 3log(2x)-5log(x)+4log(x)
3log(2x)-5log(x)+4log(x)
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06/02/15

solve for the x
1.(x+2)log9=log243 2. (3x+2)log8=log32 3. (2x-3)log7=log50 4. (3x+2)log6=log100 
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06/02/15

solve for x
1. 9 x+2=243   2. 8 3x+2=32   3. 4 (3)2x=24   4. 4 3x+2= 64 2x   5. 12= 4 3x  
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Logarithms

05/28/15

Answering the following
1. The bacillus bacterium reproduces every 3 hours. If you start with 5 bacterium how long until you have 100,000?   2. The magnitude of change is dependent upon the relationship to the buy in... more
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Logarithms

05/28/15

answer each question
1. Production is related to man power according to the relation: P=15(4)2m-3    What is the production number with 5 men on the line?   2. Barry has 300g of a radioactive iodine with a half... more
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Logarithms Algebra 2

05/27/15

Write the following in the terms of log 5 log 3 and/or log 2
1) log 5/12 write the log equations for each then solve using logs  2) x=5th square root (72.43)*3rd square root (.00035)^2 divided by the 6th square root (5.84) 3)2.35^x=342.7
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Logarithms Algebra 2

05/27/15

Write the following log in terms of log 3 log 5 and/or log 2
1) log 5/12  Write the log equations for each then solve using logs 2) x=5 square root (72.43)* 3 square root (.00035)^2 all divided by six square root 5.84 3) 2.35^x=342.7
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Logarithms

05/22/15

Write the following as a single logarithms
3log2x+1/2log2x-2log2(x+1)
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Logarithms

05/22/15

How to solve this completely?
log2x-log2(3x+5)=4
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Logarithms

05/21/15

logarithms
write log4 3y               x+1   as a sum or difference of multiples of logarithms.
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Logarithms

05/19/15

Find the value of cos(alpha).
given the right triangle ABC with hypotenuse c, if a=logx, b=2√logx, c=2√3, find the calue of cosα
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Logarithms

05/19/15

find in terms of a,b, and c.
Given log2=a, log17=b, log59=c. find log(base 2006) of 425 in terms of a,b,c.
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Logarithms

05/16/15

log3x^2(x-9)
Write each expression as a sum or difference of multiples of logarithms. Assume that variables represent positive numberslog3x^2(x-9)   What formula do I use for this? Please go step by step. I... more
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