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Today,
03:55 PM
mmm4444bot
replied to a thread
[COMBINATION]Help with proof
in
Intermediate/Advanced Algebra
This is a tutoring forum; we need to see your efforts. What have you done or thought about, so far? Where did you get stuck? Please read the...
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1 replies | 3 view(s)
Today,
03:49 PM
mmm4444bot
replied to a thread
Multiplicity Question
in
Intermediate/Advanced Algebra
Are you commenting on the root of x-4 or the binomial itself? Regarding a polynomial that has only one root, I was taught that the root has...
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4 replies | 87 view(s)
Today,
03:44 PM
Boglin
started a thread
[COMBINATION]Help with proof
in
Intermediate/Advanced Algebra
Hey guys, can you help me with this HW? John got 30 marbles, 8 white, 8 blue, 5 red and 9 green. He has to split those marbles into 4 bags with...
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1 replies | 3 view(s)
Today,
03:38 PM
mmm4444bot
replied to a thread
(3^x)-4*(3^-x)=0 Asking for some assistance.
in
Intermediate/Advanced Algebra
Another approach is to use properties of exponents and logarithms. 3^x - 4*3^(-x) = 0 3^x = 4/3^x Multiply each side by 3^x 3^(2x) = 4
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3 replies | 31 view(s)
Today,
12:45 PM
RolandHP
replied to a thread
(3^x)-4*(3^-x)=0 Asking for some assistance.
in
Intermediate/Advanced Algebra
Thank you for your answer, that cleared up a lot!
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3 replies | 31 view(s)
Today,
11:57 AM
Subhotosh Khan
replied to a thread
(3^x)-4*(3^-x)=0 Asking for some assistance.
in
Intermediate/Advanced Algebra
Assuming you need to solve for 'x': a) (3^x)-4*(3^-x)=0 substitute u = 3^x → u - 4/u = 0 → u^2 - 4 = 0 → solve for u → solve for 'x'
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3 replies | 31 view(s)
Today,
11:23 AM
RolandHP
started a thread
(3^x)-4*(3^-x)=0 Asking for some assistance.
in
Intermediate/Advanced Algebra
Apologies in advance if I posted this at the wrong place, this is my first time here. It seemed to me this falls under the category beginner algebra...
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3 replies | 31 view(s)
Today,
10:48 AM
Subhotosh Khan
replied to a thread
Circle intersections
in
Advanced Math
By that I assume you mean co-ordinates of the center. Have you drawn few sketches to investigate the problem? In particular draw a sketch where...
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1 replies | 26 view(s)
Today,
09:22 AM
Jonathan
replied to a thread
What is the probability of telling a secret.
in
Probability / Statistics
The OP doesn't mention a five sided dice. It seems pretty clear - Each player throws a fair (six sided ) die once per turn. If they throw 1 to 5...
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4 replies | 105 view(s)
Today,
09:16 AM
37ten
started a thread
Circle intersections
in
Advanced Math
If I have three circles, two where all required information is known i.e. co-ordinates, radius, etc. and the third where the only known information...
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1 replies | 26 view(s)
Today,
07:44 AM
Subhotosh Khan
replied to a thread
What is the probability of telling a secret.
in
Probability / Statistics
I have not seen a fair dice with five faces yet!
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4 replies | 105 view(s)
Today,
06:49 AM
tkhunny
replied to a thread
Multiplicity Question
in
Intermediate/Advanced Algebra
(x-3)^4( x-4)(x-5)(x-8)^2 Multiplicity refers to one root only. x = 3 with multiplicity 4 x = 8 with multiplicity 2 x = 4 with multiplicity 0...
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4 replies | 87 view(s)
Yesterday,
11:18 PM
mmm4444bot
replied to a thread
Write an approximation equation for F(x)
in
Intermediate/Advanced Algebra
Okay, let's start by ensuring that you understand what it is. F(x) is defined as a polynomial with infinite terms (i.e., an infinite summation of...
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3 replies | 109 view(s)
Yesterday,
10:52 PM
mmm4444bot
replied to a thread
Multiplicity Question
in
Intermediate/Advanced Algebra
That ought to read something like: Does this polynomial have 7 roots, counting multiplicity? Hint: A polynomial of degree n has n roots, counting...
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4 replies | 87 view(s)
Yesterday,
09:00 PM
ksdhart2
replied to a thread
Multiplicity Question
in
Intermediate/Advanced Algebra
Well, I've never seen the term multiplicity used in this particular context before, but it sounds like you're working with this definition from...
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4 replies | 87 view(s)
Yesterday,
08:50 PM
markraz
started a thread
Multiplicity Question
in
Intermediate/Advanced Algebra
(x-3)^4( x-4)(x-5)(x-8)^2 Hi, I have a yes or no question with regards to the above does multiplicity = 7? thanks
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4 replies | 87 view(s)
Yesterday,
08:22 PM
Favere198
replied to a thread
Write an approximation equation for F(x)
in
Intermediate/Advanced Algebra
Yes i am told to write a equation for it and i don't know where to start.
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3 replies | 109 view(s)
Yesterday,
07:15 PM
KingKong433
replied to a thread
What is the probability of telling a secret.
in
Probability / Statistics
Sorry about that, I accidentally posted it two times without knowing it. The event where A gets to tell a secret on his first turn is independent...
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4 replies | 105 view(s)
Yesterday,
05:19 PM
mmm4444bot
replied to a thread
Need Help Solving a Word Problem Involving Fundraising and Compound Growth Please!
in
Finance/Business Math
No. $300 is what one contributor would have given, after donating $25 in each of 12 months. Ten new contributors donating $25/month for 12...
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1 replies | 60 view(s)
Yesterday,
05:15 PM
mmm4444bot
replied to a thread
Cryptic Woe?
in
Math Odds & Ends
Hint: Direct on the right
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1 replies | 92 view(s)
Yesterday,
05:15 PM
mmm4444bot
replied to a thread
Cryptic Routes?
in
Math Odds & Ends
Hint: The pun is "expressway" Think: express way
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1 replies | 89 view(s)
Yesterday,
04:51 PM
mmm4444bot
replied to a thread
Angle of Elevation and Depression
in
Geometry and Trig
You did not show where this came from! You did not define what your 'alpha' represents. I don't have time to guess. Also, you seem to have...
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3 replies | 77 view(s)
Yesterday,
04:19 PM
mmm4444bot
replied to a thread
Absolute Value Function and its Properties
in
Intermediate/Advanced Algebra
If we begin with the supposition that x is non-negative, is it necessary to write |x|≤a instead of x≤a? Why does this say that x=a?
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3 replies | 125 view(s)
Yesterday,
04:13 PM
pajbo
replied to a thread
Angle of Elevation and Depression
in
Geometry and Trig
I got this: tan39 * (sin (alpha)*50)= tan 28 but i donīt know how to continue
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3 replies | 77 view(s)
Yesterday,
03:40 PM
rcaseytx
started a thread
Need Help Solving a Word Problem Involving Fundraising and Compound Growth Please!
in
Finance/Business Math
A leader in a non-profit organization recently challenged us to realize the potential outcome of setting regular new support goals. His query to us...
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1 replies | 60 view(s)
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