Tuesday

August 4, 2015

August 4, 2015

Total # Posts: 22

**Finite Math**

Determine the 5th term of (2x+3y)^12
*May 6, 2012*

**Finite math**

A newly married couple decides to keep having children until they have a girl. What is the probability that the couple will have at least 5 children?
*May 3, 2012*

**Finite Math **

Working on this for a couple of hours, any help? Input -output matrix F S C F .1 0 .2 S .2 .1 .4 C 0 0 .1 F= Food S=Shelter C=Clothing x=(I-A)^-1(D) 1)What should the total production of the three industries be to generate a $900,000 surplus each? I gotthe following for 1) F=1...
*February 26, 2012*

**Algebra2**

The function f(t)=100,000/1+5000e^(-t) represents the population of an endangered species bird t years after they were introduced to a non-threatening habitat. a.In what year will there be 70,000 birds? b.How many birds were intially introduced to the habitat? c.How many birds...
*December 6, 2011*

**Algebra 2**

e^(x-2)-12^(2x+3)=0 Class is a college level math prep. Sorry for previous post being incomplete. I'm thinking: ln^(x-2)=ln12^(2x+3) (x-2)ln=(2x+3)ln12 xln-2ln=2xln(12)+3ln(12) xln-2xln(12)= 2ln+3ln(12) and not sure
*December 6, 2011*

**Algebra**

e^(x-2)-12^(2x+3)=0 Class is a college level math prep. Sorry for being incomplete in the post.
*December 5, 2011*

**Algebra**

e^x-2-12^2x+3=0
*December 5, 2011*

**Algebra2**

I believe it may be x=2,x=13
*December 5, 2011*

**Algebra2**

Use properties of logartithms to simplify and solve. Thanks. ln(x-3)-ln(11x-23)+in(x-1)=0
*December 5, 2011*

**Algebra2**

that should be x times the square root of x squared plus one divided by( or fraction bar) x plus one raised to the 2/3 power, all raised to the power of 6
*December 5, 2011*

**Algebra2**

log((x(sqrtã(X^2+1)/(x+1)^(2/3)))^6 Any ideas would be great, thanks
*December 5, 2011*

**Algebra 2**

1.)Find inverse function of the function f(x)=(x+3)+9 2.)Find the inverse of the function r(x)=3x-6/5x+3 thanks
*December 3, 2011*

**Composite Functions**

f(x)=(7x+28)/(x-3) and g(x)=(3x+28)/(x-7) Find: (fog)(x) (gof)(x) (fog)(-1)
*December 3, 2011*

**Algebra**

log[3](2x+8)+log[3](3x)=log[3](2) Need help with this one please, thanks.
*December 1, 2011*

**Algebra**

Let t=50 y=30(2.7)^-0.004t y=30(2.7)^-0.004(50) y=30(2.7)^-.2 Need help with proper technique for using TI-83 to calculate. Thanks
*November 27, 2011*

**Algebra**

The difference between the number of people who speak French and Spanish is 15,637,000 and the difference between those who speak French and German is 155,000, while the total number of people who speak all three is 20,588,000. Determine from information the number of people ...
*November 21, 2011*

**Algebra**

h=7/5d-d^2/100 where h is the height of the arch above the road in meters. Not actually looking to have all completed, but give advice on how to achieve the results a. where does the arch and road come together? b.How far is it from where the arch begins on the left and where ...
*November 21, 2011*

**Algebra**

How do I create a quadratic equation that passes through the points (-1,2),(1,7),(4,5)?
*November 20, 2011*

**Int. Algebra**

The spread of oil leaking from a tanker after t hours is in the shape of a circle with radius r(t) = 200 square root t+3, - 600 (in feet). A. Find the time it takes for the leak to spread at a radius of 1800ft. B. Find the area A of the oil leak as a function of time t.
*October 26, 2011*

**Chemistry**

The answer is correct for 1 which is C. However for Ques 2. it says which element so the answer should be B
*September 23, 2008*

**Chemistry**

A compound containg 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide (CO2) and water. What element should you look at first in balancing this equation? Is the answer a.b.c or d? ...
*July 4, 2008*

**Chemistry**

A compound containg 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide (CO2) and water. What element should you look at first in balancing this equation?
*July 4, 2008*

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