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Today,
07:10 PM
stapel
replied to a thread
NY = 3*sqrt 6 OR 12? tri NYV, alt YA to NV, NA=6, AV=9; find NY
in
Geometry and Trig
Actually, handing out answers is (as we've learned from hard experience) NOT of great help (other than to active cheaters). Instead, please reply...
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6 replies | 58 view(s)
Today,
07:05 PM
stapel
replied to a thread
Solving Equations Using Rational Expressions: Simplify x/(x+3) + (9x+18)/(x^2+3x)
in
Intermediate/Advanced Algebra
You can't "multiply through" when there is no "equals" sign through which to multiply! ;)
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3 replies | 92 view(s)
Today,
07:00 PM
stapel
replied to a thread
Help on my test: “perform the computation 3u-5v if u = <3,-2> and v= <-5,3>.”
in
Intermediate/Advanced Algebra
Okay; what method(s) or formula(s) have they given you for this? How far have you gotten in applying this information? Where are you stuck? Please...
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4 replies | 75 view(s)
Today,
06:47 PM
happiness
replied to a thread
NY = 3*sqrt 6 OR 12? tri NYV, alt YA to NV, NA=6, AV=9; find NY
in
Geometry and Trig
Thanks for helping, I am still confused and the answer to the missing side length NY would be of great help. Sent from my LGMS210 using Tapatalk
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6 replies | 58 view(s)
Today,
06:05 PM
Jomo
replied to a thread
NY = 3*sqrt 6 OR 12? tri NYV, alt YA to NV, NA=6, AV=9; find NY
in
Geometry and Trig
You posted numbers on the picture. Were they random numbers that you placed on the triangle? I doubt that. So yes, you can do better at explaining...
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6 replies | 58 view(s)
Today,
05:53 PM
Jomo
replied to a thread
If I differentiate each of numerator, denominator, is result equal to orig fraction?
in
Calculus
So you think that \frac{2}{6}= \frac{2+5}{6+5} and \frac{5}{6}= \frac{5^2}{6^2}. None of this is true. Your statement only holds for multiplication...
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4 replies | 64 view(s)
Today,
05:45 PM
Jomo
replied to a thread
Find the magnitude of the vector v=<5,-7> to the nearest whole value
in
Intermediate/Advanced Algebra
Hint: The length of vector <a,b> is (a2 + b2)1/2
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6 replies | 49 view(s)
Today,
05:43 PM
Jomo
replied to a thread
Exponential prob: Define n# as n^{(n-1)^(n-2)^(n-3)^...^2^1}. Find last 2 digits of
in
Math Odds & Ends
It was a typo which is now fixed. But to answer your question, $=#
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2 replies | 58 view(s)
Today,
05:35 PM
Denis
replied to a thread
Finding number of sides of regular polygon with different interior angles?
in
Geometry and Trig
Soooo....what is size of each of the interior angles?
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8 replies | 80 view(s)
Today,
04:33 PM
Simonsky
replied to a thread
Finding number of sides of regular polygon with different interior angles?
in
Geometry and Trig
Oh........I've really misinterpreted that. I thought the question had to be easier that the way I saw it -story of my life-finding something complex...
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8 replies | 80 view(s)
Today,
04:02 PM
Dr.Peterson
replied to a thread
Finding number of sides of regular polygon with different interior angles?
in
Geometry and Trig
You are completely misreading the problem. The want you to continue the pattern by adding more pairs, like this, where I have added in one more...
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8 replies | 80 view(s)
Today,
03:51 PM
Dr.Peterson
replied to a thread
Rounding off to correct significant figure: If we add 3.46 and 2.3 we get 5.76....
in
Beginning Algebra
You're quoting from the first link I gave, right? The author takes 450 as if it were 4.5*10^2, with the zero not known (because it might have been...
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8 replies | 147 view(s)
Today,
03:24 PM
Subhotosh Khan
replied to a thread
Find the magnitude of the vector v=<5,-7> to the nearest whole value
in
Intermediate/Advanced Algebra
Do you know how to use Google and look for answer?
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6 replies | 49 view(s)
Today,
02:09 PM
Simonsky
replied to a thread
Finding number of sides of regular polygon with different interior angles?
in
Geometry and Trig
Oh dear-now I said 'heptagon' when I meant hexagon!!!! Just to get it clear at last- the angles I sea, looking at the diagram are:
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8 replies | 80 view(s)
Today,
01:55 PM
Indranil
replied to a thread
Rounding off to correct significant figure: If we add 3.46 and 2.3 we get 5.76....
in
Beginning Algebra
Simplify, rounding 1247 + 134.4 + 450 + 78 to the appropriate number of significant digits. Looking at each of the numbers they've given me, I see...
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8 replies | 147 view(s)
Today,
01:54 PM
tkhunny
replied to a thread
Calculating Averages
in
Arithmetic
Word of warning. An average of averages is unlikely to be what you want.
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4 replies | 61 view(s)
Today,
01:52 PM
tkhunny
replied to a thread
What is the direction angle of the resultant <34,-21>
in
Calculus
Please plot this point on a set of coordinate axes. Which direction must you face in order to walk directly to the given point? Normally, an...
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1 replies | 20 view(s)
Today,
01:43 PM
Denis
replied to a thread
Solve system of eqns: xz-2yt=3, xt+yz=1; Find x2+y2+z2+t2 (x,y,z,t integers)
in
Advanced Math
Also means that x >= 3y (but that's not much help!)
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2 replies | 206 view(s)
Today,
01:03 PM
HallsofIvy
replied to a thread
Exponential prob: Define n# as n^{(n-1)^(n-2)^(n-3)^...^2^1}. Find last 2 digits of
in
Math Odds & Ends
What does that "#" mean? Did you intend to write 2018$?
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2 replies | 58 view(s)
Today,
01:00 PM
HallsofIvy
replied to a thread
Find the magnitude of the vector v=<5,-7> to the nearest whole value
in
Intermediate/Advanced Algebra
Do you know the definition of "length of a vector"?
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6 replies | 49 view(s)
Today,
12:52 PM
Gummg
replied to a thread
Find the magnitude of the vector v=<5,-7> to the nearest whole value
in
Intermediate/Advanced Algebra
I don't know what either say
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6 replies | 49 view(s)
Today,
12:36 PM
Simonsky
replied to a thread
Finding number of sides of regular polygon with different interior angles?
in
Geometry and Trig
You're right! Silly me-not sue how I did that- the issue of course, is that I'm seeing a different angle from the regular heptagon angle when the...
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8 replies | 80 view(s)
Today,
12:30 PM
Denis
replied to a thread
Finding number of sides of regular polygon with different interior angles?
in
Geometry and Trig
108? A regular hexagon has 6 angles of 120 each... ge·stalt noun: an organized whole that is perceived as more than the sum of its parts. ...
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8 replies | 80 view(s)
Today,
12:25 PM
Gummg
started a thread
What is the direction angle of the resultant <34,-21>
in
Calculus
What is the direction angle of the resultant <34,-21> Please help me
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1 replies | 20 view(s)
Today,
12:17 PM
Gummg
replied to a thread
Find the magnitude of the vector v=<5,-7> to the nearest whole value
in
Intermediate/Advanced Algebra
No I don’t know how to
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6 replies | 49 view(s)
Today,
12:14 PM
Denis
replied to a thread
Calculating Averages
in
Arithmetic
Both produce SAME results: ~322.68 (whatever that represents!) Like j-astron, I simply can't tell what you're trying to do.
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4 replies | 61 view(s)
Today,
12:13 PM
Simonsky
replied to a thread
Finding number of sides of regular polygon with different interior angles?
in
Geometry and Trig
Thanks for reply Dr. Peterson. So I maybe having a 'gestalt' problem here and perceiving the resultant shape incorrectly. This is how I saw it: ...
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8 replies | 80 view(s)
Today,
12:11 PM
Subhotosh Khan
replied to a thread
Find the magnitude of the vector v=<5,-7> to the nearest whole value
in
Intermediate/Advanced Algebra
Do you know how to calculate the magnitude of a vector V = <a,b>? What does your class notes say? What does Google say?
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6 replies | 49 view(s)
Today,
11:58 AM
Gummg
started a thread
Find the magnitude of the vector v=<5,-7> to the nearest whole value
in
Intermediate/Advanced Algebra
Find the magnitude of the vector v=<5,-7> to the nearest whole value How do I do this
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6 replies | 49 view(s)
Today,
11:55 AM
Gummg
replied to a thread
Help on my test: “perform the computation 3u-5v if u = <3,-2> and v= <-5,3>.”
in
Intermediate/Advanced Algebra
I got <34, -21> But now it’s asking to find the direction angle of the resultant
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4 replies | 75 view(s)
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