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• 02-16-2018, 05:16 PM
Your formatting is ambiguous. I've broken the stream-of-consciousness math into separate lines, but I'm still confused. The derivative, in the...
7 replies | 373 view(s)
• 02-16-2018, 05:08 PM
It's just plugging a number in, and simplifying. Copy the "C_limb" expression to the end of the COL_walk expression. Then pick a value for phi....
7 replies | 207 view(s)
• 02-16-2018, 04:21 PM
Aw, shucks; thanks! :lol:
3 replies | 269 view(s)
• 02-16-2018, 04:16 PM
What did you find, when you plugged in larger values? ;)
7 replies | 207 view(s)
• 02-16-2018, 04:08 PM
A typo, I suspect. So you understand how to get to here: . . . . .u^2\,-\, 2u\, -\, 3 ...but you don't know how to factor this. To learn...
3 replies | 150 view(s)
• 02-16-2018, 04:03 PM
I suspect that the reason there have been no previous replies to this question is that you made two posts in quick succession with the same subject...
1 replies | 117 view(s)
• 02-16-2018, 03:52 PM
From what you have posted in reply to a previous helper, I will guess that you mean that the sum begins at "n = 3" and "goes to infinity", so the...
3 replies | 172 view(s)
• 02-14-2018, 04:08 PM
It was also classified as such by the creator, who filed for copyright infringement in an attempt to protect his property, not only from plagiarism,...
3 replies | 269 view(s)
• 02-11-2018, 05:41 PM
To learn how to set up and solve "percent of" exercises like this, try here. After having studied the full lesson, use the set-up method...
4 replies | 218 view(s)
• 02-11-2018, 05:31 PM
Use what you learned in pre-algebra about prime factors, and other divisors. In how many ways can powers of 2 be factors? In how many ways can powers...
4 replies | 374 view(s)
• 02-11-2018, 05:29 PM
If the light is actually "manipulated" by somebody driving over some sensor about an eighth of a mile away (assuming the driver never slows), then...
2 replies | 125 view(s)
• 02-11-2018, 05:23 PM
What does your textbook mean by "keeping it...the same as before" when clearly you're changing things? When you reply, please include the full and...
4 replies | 184 view(s)
• 02-11-2018, 05:22 PM
Okay; where are you stuck? For instance, you started by finding the sum of the initial values, knowing that the average will involve that sum (then...
1 replies | 65 view(s)
• 02-11-2018, 05:14 PM
You're referring to a lesson in physics. The lesson clearly specifies that what you've called an "equation" is actually an approximation, "very close...
4 replies | 181 view(s)
• 02-11-2018, 05:06 PM
More to the point, you can deal only with the top half, and then multiply the half-rectangle result by 2 to get the full-rectangle result. For...
7 replies | 373 view(s)
• 02-10-2018, 07:05 PM
Hint: 3 3 4 3 4 5 ...and so forth. ;)
5 replies | 389 view(s)
• 02-10-2018, 07:03 PM
This equation says that the second digit, b, is nineteen times as much as (nineteen times) the whole two-digit number. The exercise says that b is...
5 replies | 444 view(s)
• 02-10-2018, 06:49 PM
I suspect "the" (intended) solution method will involve some guess-n-check, just as in the case of similar exercises. (To locate these similar...
6 replies | 308 view(s)
• 02-10-2018, 06:39 PM
Please reply showing how you followed through on the steps and hints you were provided. You created the equation they'd almost given you, you solved...
8 replies | 329 view(s)
• 02-10-2018, 06:26 PM
As you have posted it, the equation above typesets as follows: . . . . .m(t)\, =\, 325e\, -\, 0.01t Is this what you meant? Or were there...
2 replies | 125 view(s)
• 02-10-2018, 06:14 PM
What do you mean by "projections...is...how to work out this problem"? What search terms did you use (other than "distance point plane") that led you...
1 replies | 130 view(s)
• 02-10-2018, 06:08 PM
Is this really the speed of the plane "relative to the air", which is moving north at thirty miles an hour? Or is this the speed of the plane...
3 replies | 168 view(s)
• 02-10-2018, 06:05 PM
I have copied (a portion of) the subject line, which you seem to state is actually the instructions for the first two "questions" (listed as "a" and...
5 replies | 266 view(s)
• 02-10-2018, 05:34 PM
Since you're working through this problem set (with numbered questions and multiple-choice answers) for fun ("not homework, just interesting"),...
3 replies | 152 view(s)
• 02-10-2018, 05:29 PM
That's okay; you can type it out, just like you typed out the results, as displayed above. So please reply with your work and reasoning for the...
4 replies | 225 view(s)
• 02-10-2018, 05:14 PM
What does the book give as (or what is your understanding of) the force intended by "need to be...pushed down 1.5 inches by hand"? When you reply,...
2 replies | 169 view(s)
• 02-10-2018, 05:06 PM
Draw the enclosed region. Draw a rectangle inside this region, with the left-hand corners touching the parabola. (Don't bother with "finding" the...
7 replies | 373 view(s)
• 02-10-2018, 04:59 PM
As displayed, there is no "vertical side" of the tank. Is there more information? For instance, is there something specifying that, by "vertical side...
1 replies | 178 view(s)
• 02-10-2018, 04:38 PM
When you reply with answers to the clarifying questions asked in the first response, please also include the full and exact text of the original...
2 replies | 117 view(s)
• 02-10-2018, 04:32 PM
Okay; that is why we ask posters please to show their work. From your first post, can you see that we had no way of knowing that you'd actually made...
3 replies | 404 view(s)
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