# Posts by Ms. Jackie

Total # Posts: 10

**Math**

Are all statements that are true. (a) log(A)/log(B)=In(A)/In(B) (b) In log[b](N), the exponent is N. (c)If 2log[3](81)=8, then log[3](6.561)=8 (d)log[b](N) negative when N is negative. (e)In(x/2)=In(x)/2

*October 30, 2012*

**Math**

Are all statements that are true. (a) log(A)/log(B)=In(A)/In(B) (b) In log[b](N), the exponent is N. (c)If 2log[3](81)=8, then log[3](6.561)=8 (d)log[b](N) negative when N is negative. (e)In(x/2)=In(x)/2

*October 30, 2012*

**Math**

Write the expression in terms of natural logarithms. (Express all logarithmic functions in terms of In(x) in your answer.) log[8.4](112)=

*October 30, 2012*

**Math**

Use the definition of logarithm to simplify each expression. (a) log6b(6b) (b)log8b((8b)^6) (c)log11b((11b)^-9)

*October 30, 2012*

**Math**

Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.35 10-6 watts/cm2 D =______ dB

*October 30, 2012*

**Math**

Suppose that a car rental agency gave you the following choices. Option A $30 per day plus 40¢ per mile Option B flat $50 per day (a) Write equations for cost per day c for options A and B. (Use m for distance in miles.) c = $ (option A) c = $ (option B) (b)How would i ...

*October 23, 2012*

**Math**

Find three ordered pairs that satisfy the question. y=3x-6 (0,__), (1,__), (2,__)

*October 23, 2012*

**Math**

How will I work this problem? Find the functional values requested in the problem. h(x)=3x-4 (a) h(0) = (b) h(-10)=

*October 23, 2012*

**Math**

When Catherine went to purchase a purse from a street vendor, she negotiated a purchase price that was 10% less than the $130.00 marked price, plus 6% sales tax on the purchase price. If she has $425.00 in her checking account, how much did she pay for the purse? a)$588.30 b)$...

*October 17, 2012*

**Math**

Find the functional values requested in the problem; h(x)=5x-4 (a) h(0)= (b)h(-11)=

*October 16, 2012*

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