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Jomo
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Jomo
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Join Date
12-30-2014
Last Activity
06-22-2017
08:17 PM
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06-18-2017,
10:39 PM
Jomo
replied to a thread
v-Bulletin issues of late
in
Administration Issues
No No No, Please do not ask Denis to say what confuses him. Please don't do that. He will be writing for hours.
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28 replies | 2909 view(s)
06-18-2017,
10:30 PM
Jomo
replied to a thread
Combinatorics: how many different 5-digit numbers, bigger than 20000, can be made...?
in
Advanced Math
Multiply 4 by 6
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2 replies | 188 view(s)
06-18-2017,
10:24 PM
Jomo
replied to a thread
Question about Marginal Functions? p = −0.01q^2 − 0.2q + 8 and p = 0.01r^2 + 0.1r + 3
in
Calculus
As Jeff said, your answers look good. When you are asked to find a relationship between q and r you want an equation that involves q and r. ...
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2 replies | 159 view(s)
06-18-2017,
10:14 PM
Jomo
replied to a thread
The product of two numbers equal 1,000,000
in
Arithmetic
The real question is whether or not it took longer to write the code than to find the prime factorization of 1000000. Also as already pointed out,...
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9 replies | 12126 view(s)
06-18-2017,
06:04 PM
Jomo
replied to a thread
Simultaneous equations (tough one): 8^x 64^y = 128, sqrt[12y - 7] = x
in
Intermediate/Advanced Algebra
What have you tried so far. We offer math help here, not solutions. A hint I will offer is to ask you to find the prime factorization of 128. ...
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18 replies | 516 view(s)
06-17-2017,
12:54 PM
Jomo
replied to a thread
DRT Problem - Verify that I did it correctly?
in
Intermediate/Advanced Algebra
I agree with you 100%. Students need to learn how to think mathematically on their own. Teacher should never tell students how they must do a...
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9 replies | 356 view(s)
06-17-2017,
12:21 PM
Jomo
replied to a thread
Greatest common divisor
in
Intermediate/Advanced Algebra
x has to be an integer. The problem for example is saying that gcd(6,27)=gcd(6,27-6x). That is gcd(6,27)=...
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6 replies | 261 view(s)
06-17-2017,
11:55 AM
Jomo
replied to a thread
Fundamental question: we know that y = x dy/dx, or rather... y/x = dy/dx...
in
Differential Equations
I think that the OP is saying just that. (To OP) Why do you think that equation is always true (called an identity)? YOU even found a counter...
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3 replies | 214 view(s)
06-06-2017,
12:20 AM
Jomo
replied to a thread
Write in Sigma Notation: 1/3, 2/9, -7/27, 14/81, -23/243, 34/729,...
in
Intermediate/Advanced Algebra
4bot already stated that this is an alternating sequence starting with the 2nd term. So your answer is 1/3 + (sigma from 2 to infinity)(-1)^n *...
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5 replies | 442 view(s)
05-31-2017,
12:37 AM
Jomo
replied to a thread
Help me find error in argument: sqrt(x^2+1)=x+1; let x=2 sqrt(5)=9, therefore,...
in
Beginning Algebra
1st of all sqrt(5) is not 5, so even if sqrt(5) = 9 it does NOT follow that 5=9. You mean to ask how does sqrt(5) = 9? The equation you wrote is...
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5 replies | 649 view(s)
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About Jomo
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A mathematician is a blind man in a dark room looking for a black cat which isn’t there. - Charles R. Darwin
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06-22-2017
08:17 PM
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