211 Answered Questions for the topic Logarithm

Logarithm

12/09/17

Use logarithm
If x is the atmospheric pressure (measured in millimeters of mercury) then the formula for altitude h(x) (measured in meters above sea level) is h(x)=(30T+8000)log(760/x) where T is temp in... more
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Logarithm

12/09/17

If $1400 is invested at 4% interest compound continuously then, after t years, the amount in the account will be given by: A=1400e^(0.04t)
A. How much will be in the account after 50 years?   B. Use algebra to determine how long it will take the $1400 to double (to the nearest year)?
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Logarithm

12/08/17

Write each expression as the logarithm of a single quantity. Simplify comepletly.
A. Log4(x)-3log4(x+1)   B. 2ln(3)+1/2ln(x^2 +1)
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Logarithm

12/08/17

Write each expression as sum/difference of multiples of logarthms. Simplify comepletly.
A.  ln(x^2+x)   B. Log(100/y^3z^4)
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Logarithm

12/08/17

Log a (b)=c is equivalent to a^b=c
True or false with explanation please. Logarithms are so confusing
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Logarithm

12/07/17

Evaluate each logarithm without using a calculator. a) log5 (125) b) log9(1/3 )
Evaluate each logarithm without using a calculator. a) log5 (125) b) log9(1/3 )
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Logarithm Logarithms

11/21/17

Condense each expression to a single logarithm (Show Work Please)
15log7z + 15log7x - 5log7y
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Logarithm Logarithms

11/10/17

Evaluate expression. - Show Work
Expression: log6 216   Choices:   A) -6   B) 2   C) 3   D) 36
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Logarithm

10/29/17

Solve this equation:
xlog(x)=100x
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Logarithm

10/09/17

Find x in logrithm
Loga a2=x
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Logarithm

07/28/17

Log2base10=0.3010 find out log25base8
Answer  plz logirithm
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07/17/17

Logarithm Help
2log base 4 9 - log base 2 3
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Logarithm

11/16/16

(4/3)log(base 3)25x^5 - (2/3)log(base 3)8x^3
Write as a single logarithm with coefficient 1
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Logarithm

09/19/16

Find the value of W if W=(1.5)^11?
Find the answer using Logarithm
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Logarithm

09/10/16

Math problem
The half-life of radioactive (226Ra) is about 1599 years. That is, for a given amount of radium, half of the original amount will remain after 1599 years. After another 1599 years, one-quarter of... more
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Logarithm

08/10/16

log[base x1] log[base x2]...log[base xn](xn^xn-1^xn-2^...x1)
logx1 logx2...... logxn-1logxn (xnxn-1^xn-2^....x1)
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Logarithm

07/16/16

Logarithm expression
Log5x+3log5x=2
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Logarithm

07/16/16

Logarithm expression
Solve 5^2x-1=20   Solve 9^5x=5^x+3
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Logarithm

07/16/16

Logarithm expression
3logx+ 2log7- log y   1/2lnx-2/3lnx
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Logarithm

07/16/16

Logarithm expression
Ln 3x/x+1   Log √x(x-1)/x^2
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Logarithm Trigonometry

05/28/16

Logarithm Question
If log2sinx - log2cosx -log2(1-tan^2x) = -1, Then find x. Options : A) (nπ)/2 + π/8, n€Z B) nπ - π/8, n€Z C) (nπ)/4  + π/2, n€Z D) none of these Answer is option A. But please tell me the... more
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Logarithm

04/18/16

2log10(in base)x-logx(in base)(0.01) for x>1
Use logarithm properties to answer this question for me
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Logarithm Algebra

03/14/16

90-240.7428(e^-1.3930-e^-0.6888)
How do i get rid of the e? 
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Logarithm

02/09/16

Solve X=Log0.25 to base 8
X=Log8(0.25) will it have same answer with Log8(0.25) without X?
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Logarithm

12/22/15

solve x for the equation,log base 2 (5x^2-x-2)=2+2log base 2 x
solve x for the equation,log base 2 (5x^2-x-2)=2+2log base 2 x
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