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• 11-12-2018, 07:16 PM
sin^2(θ) + cos^2(θ)=1 sin^2(θ) = 1 - cos^2(θ) ^2 = ^2 sin^4(θ) = 1 - 2*cos^2(θ) + cos^4(θ) continue...
3 replies | 195 view(s)
• 11-12-2018, 06:36 PM
That is factorial. Do you know what that is?
3 replies | 191 view(s)
• 11-12-2018, 07:45 AM
What does your text-book say? Google the term "determinant of a matrix". What do you find?
5 replies | 182 view(s)
• 11-12-2018, 07:41 AM
"mmm4444bot" is a ro"bot" - you did not know that??!!
5 replies | 216 view(s)
• 11-12-2018, 07:25 AM
One way to solve this would be to apply rational root theorem. The other method could be to use synthetic division and divide the given polynomial...
2 replies | 133 view(s)
• 11-12-2018, 07:13 AM
Suppose you were given: a = b/x ....... then a * x = b .... x = b/a .....
2 replies | 162 view(s)
• 11-12-2018, 07:09 AM
We generally do not lock post - in case some other person have a "clarifying question" regarding the answers.
6 replies | 231 view(s)
• 11-11-2018, 07:47 PM
Please post work for both the problems. We can investigate properly. In arithmetic, you can arrive at a "correct" answer following an "incorrect"...
6 replies | 245 view(s)
• 11-11-2018, 07:44 PM
.
1 replies | 155 view(s)
• 11-11-2018, 07:39 PM
In which class did you get these questions? What is your text-book?
3 replies | 176 view(s)
• 11-11-2018, 12:34 PM
Where exactly is your child "lost"? When bullet hits the ground , Let t = to .............thenh(to) = 0 so s/he needs to solve for to...
3 replies | 214 view(s)
• 11-10-2018, 05:07 PM
I think "evenly" here is translated into "path with constant width". I would decompose it as one rectangle minus a square.
7 replies | 263 view(s)
• 11-10-2018, 02:26 PM
3 replies | 135 view(s)
• 11-10-2018, 11:42 AM
6 replies | 241 view(s)
• 11-10-2018, 11:39 AM
First draw an approximate sketch of the situation. Let the width of the rock-path = W Then What is the total area of the rectangle (garden...
7 replies | 263 view(s)
• 11-09-2018, 09:38 PM
Yes .... I did ... looking at the OPs drawing (without thinking through...
9 replies | 319 view(s)
• 11-09-2018, 01:16 PM
But Jomo he is just a junior member (with ~ 600 posts) - and you are a senior member (with > 2000 psts). So his discovery and usage cannot...
5 replies | 248 view(s)
• 11-09-2018, 09:19 AM
For problem a) : Hint e^(-x) = 1/e^(x) For problem b) : Hint:
5 replies | 248 view(s)
• 11-09-2018, 08:47 AM
Now you need to use similar triangle theorems. Let DA= p and AC = h; Then: p/8 = (6+p)/x ... and (h+9)/x = b/8 .... and
9 replies | 319 view(s)
• 11-09-2018, 06:07 AM
One example would be where the interval includes a vertical assymptote.
6 replies | 389 view(s)
• 11-08-2018, 02:40 PM
Can you please post the problem "exactly" as it was presented to your daughter.
12 replies | 472 view(s)
• 11-08-2018, 08:03 AM
Your response is not quite correct. Did you draw an approximate sketch of the region over which you are integrating? If not, do that first.
1 replies | 260 view(s)
• 11-08-2018, 07:58 AM
You are asked to calculate: (distance)/(time) = ? (leave it as fraction) What is the distance given? What is the time given?
2 replies | 341 view(s)
• 11-07-2018, 04:36 PM
4 replies | 389 view(s)
• 11-06-2018, 03:28 PM
The second equation should be: L*(1+0.30) + T*(1-0.15)= 4500 Do you see why?
8 replies | 482 view(s)
• 11-05-2018, 06:39 PM
What is the Grade that your son is studying now? What is the "topic" that brought this problem?
5 replies | 345 view(s)
• 11-05-2018, 08:42 AM
Did you solve it?
3 replies | 281 view(s)
• 11-05-2018, 08:36 AM
My recommendation for you would be to go to the local university (or community college) and hire a "hungry" graduate student to perform this task -...
1 replies | 203 view(s)
• 11-04-2018, 01:27 PM
5 replies | 239 view(s)
• 11-03-2018, 11:51 AM
3 replies | 296 view(s)
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