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Today,
11:13 AM
Indranil
replied to a thread
How to calculate the value of b if the equation is 1/T^2=1/T^b?
in
Beginning Algebra
1/x X xy = 1/y X xy or, y = x, still I don't understand how to find the value of b if the equation is 1/T^2 = 1/T^b
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5 replies | 75 view(s)
Today,
11:12 AM
stapel
replied to a thread
solve the inequality e^x - ln(x) <= e/x for x
in
Calculus
Well, yes, we can certainly be fairly certain of the solution, since this can be found online. You posted this to "Calculus". Please provide a...
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1 replies | 5 view(s)
Today,
11:08 AM
Indranil
replied to a thread
How to calculate the value of b if the equation is 1/T^2=1/T^b?
in
Beginning Algebra
Do you mean to say?
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5 replies | 75 view(s)
Today,
11:03 AM
stapel
replied to a thread
Sigma Q: sum[k=1,4]5k^2 (don't understand their solution ?)
in
Intermediate/Advanced Algebra
It's just part of the formula they gave you. Either they proved the formula (maybe in the section on induction proofs), or they just gave it to you...
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2 replies | 152 view(s)
Today,
10:53 AM
Aion
replied to a thread
Factor theorem proof
in
Beginning Algebra
Yea that makes sense. Much appreciated!
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2 replies | 90 view(s)
Today,
09:26 AM
Dr.Peterson
replied to a thread
confusion over simplification problem, first post on these forums!
in
Calculus
What they are doing is to factor out √2 / 4 from each term. Note that the way to add or subtract radical expressions is to simplify each of them,...
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2 replies | 18 view(s)
Today,
09:09 AM
Denis
replied to a thread
Installment loan APR: $260.00 loan w/ $100.00 finance charge; $60/mo paid for 6 mo's
in
Finance/Business Math
The "stated" APR should be "122.07 APR COMPOUNDED MONTHLY", which results in TK's 219.80% which is the EFFECTIVE RATE. Would not be to the crooks'...
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2 replies | 19 view(s)
Today,
08:48 AM
Hussein Ali 99
started a thread
solve the inequality e^x - ln(x) <= e/x for x
in
Calculus
Solve the inequality: . . . . .e^x\, -\, \ln(x)\, \leq\, \frac{e}{x} i am sure that the solution is the interval {0<x<=1}, but i need the proof.
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1 replies | 5 view(s)
Today,
07:49 AM
Subhotosh Khan
replied to a thread
Please help me solve this integral
in
Calculus
Apply integration by parts again on the resulting integral.
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6 replies | 79 view(s)
Today,
07:46 AM
Subhotosh Khan
replied to a thread
Please help me solve this integral
in
Calculus
No .... that does not work here....
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6 replies | 79 view(s)
Today,
07:40 AM
Subhotosh Khan
replied to a thread
algebra
in
Calculus
First step - simplify e^ln(x) = ?? Second step - What is the domain of the expression above? continue....
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4 replies | 60 view(s)
Today,
07:34 AM
tkhunny
replied to a thread
confusion over simplification problem, first post on these forums!
in
Calculus
This principle is used twice: ab + ac = a(b+c) or this bd + cd = (b+c)d In each case, it is the Distributive Property of Multiplication over...
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2 replies | 18 view(s)
Today,
07:32 AM
tkhunny
replied to a thread
Please help me solve this integral
in
Calculus
Of course it did. WHAT other integral?
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6 replies | 79 view(s)
Today,
07:30 AM
tkhunny
replied to a thread
Installment loan APR: $260.00 loan w/ $100.00 finance charge; $60/mo paid for 6 mo's
in
Finance/Business Math
This is not a great question. We are not told if it is a Simple Interest loan, or otherwise. Monthly Compounding gives 219.80%. For Simple...
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2 replies | 19 view(s)
Today,
06:59 AM
HallsofIvy
replied to a thread
How to calculate the value of b if the equation is 1/T^2=1/T^b?
in
Beginning Algebra
Do you see that if 1/x= 1/y then x= y? If that not obvious multiply both sides of 1/x= 1/y by xy.
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5 replies | 75 view(s)
Today,
05:57 AM
ele
replied to a thread
Bayes'rule exercise with discrete random variable: 100 high-school graduates
in
Probability / Statistics
j-astron thanks for the reply, now I understood pretty well. My difficulty is, for a given exercise regarding the use of discrete distribution, which...
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5 replies | 254 view(s)
Today,
01:07 AM
jwzumwalt
replied to a thread
Want to get better at algebra
in
Intermediate/Advanced Algebra
Thanks "Subhotosh Khan" for the help, the formula was a quick cut and paste and should have been tan(b)= v^2/(R*g) I have some notes for the basic...
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2 replies | 62 view(s)
Today,
12:26 AM
ksdhart2
replied to a thread
100 people on island; some honest, some liars.... How many tell the truth?
in
Math Odds & Ends
Hm. A very interesting math puzzle. At first I was completely stymied and thought maybe the trick was that there wasn't an answer. But then I...
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1 replies | 40 view(s)
Today,
12:18 AM
zknox1411
started a thread
confusion over simplification problem, first post on these forums!
in
Calculus
apologies for this simple question, but i'm confused over how: √2√3 / 4 - √2 / 4 simplifies to √2(√3 - 1) / 4 doing the subtraction myself I...
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2 replies | 18 view(s)
Today,
12:03 AM
markraz
replied to a thread
Please help me solve this integral
in
Calculus
power rule? (x^2/2y^2) + c
see more
6 replies | 79 view(s)
Yesterday,
11:56 PM
Pj703
started a thread
Installment loan APR: $260.00 loan w/ $100.00 finance charge; $60/mo paid for 6 mo's
in
Finance/Business Math
Given the following information I need to know how they determine the APR. An individual takes out a $260.00 loan with a $100.00 finance charge...
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2 replies | 19 view(s)
Yesterday,
11:19 PM
Jomo
started a thread
100 people on island; some honest, some liars.... How many tell the truth?
in
Math Odds & Ends
There are 100 people on an island; some people always tell the truth, and the others always lie. A visitor asks them, "How many of you...
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1 replies | 40 view(s)
Yesterday,
10:28 PM
Vladd29
replied to a thread
Maximize Profit Question Calc 1
in
Calculus
you're a life saver! i had no idea you can get a function from 563. that amazed me, i got the answer! thanks for helping
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2 replies | 30 view(s)
Yesterday,
10:23 PM
Hussein Ali 99
replied to a thread
algebra
in
Calculus
it is e^{x - \ln(x)} \le \frac{e}{x} i am sure that the solution but i need the proof.
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4 replies | 60 view(s)
Yesterday,
10:00 PM
Jomo
replied to a thread
How to calculate the value of b if the equation is 1/T^2=1/T^b?
in
Beginning Algebra
What have you tried? where are you stuck? It is hard to help you if you do not tell us where you are stuck. I'll try to start you off. On both...
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5 replies | 75 view(s)
Yesterday,
10:00 PM
Dr.Peterson
replied to a thread
How to calculate the value of b if the equation is 1/T^2=1/T^b?
in
Beginning Algebra
There is an obvious solution; do you see it? But were you told the value of T, or what its possible values are? (If T were 1, everything would...
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5 replies | 75 view(s)
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