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• Yesterday, 17:02
Prove It is not giving you the answer he is giving you a suggestion that you can use the limit he posted. See if there is any kind of substitution...
4 replies | 76 view(s)
• Yesterday, 16:46
This should be fairly simple, convert 360 degrees in 18 minutes to x degrees in 1 minute. The graph shows height of a capsule above the ground in...
2 replies | 43 view(s)
• Yesterday, 11:33
skeeter replied to a thread [SOLVED] Transportation calculus in Pre-Algebra and Algebra
that's my mistake ... should be 14.9. I doubled the numerator and denominator to get the coefficient of $n$ to be 1 instead of 0.5. When I decided...
10 replies | 355 view(s)
• Yesterday, 09:09
skeeter replied to a thread [SOLVED] Transportation calculus in Pre-Algebra and Algebra
what does n-1 represent? in the equation I wrote in post #4, $n$ represents the number of additional freight loads
10 replies | 355 view(s)
• April 5th, 2020, 10:58
skeeter replied to a thread [SOLVED] Transportation calculus in Pre-Algebra and Algebra
I have a better idea ... explain how you derived your function.
10 replies | 355 view(s)
• April 5th, 2020, 01:08
Here is this week's POTW: ----- Suppose that the positive integers $x, y$ satisfy $2x^2+x=3y^2+y$. Show that $x-y, 2x+2y+1, 3x+3y+1$ are all...
0 replies | 180 view(s)
• April 5th, 2020, 01:02
No one answered last week's POTW.(Sadface) Below is a suggested solution: The given function is the square of the distance between a point of the...
1 replies | 147 view(s)
• April 4th, 2020, 12:16
skeeter replied to a thread [SOLVED] Transportation calculus in Pre-Algebra and Algebra
simplified the initial cost function ... $C(v) = 1375\left(\dfrac{44.5}{v} + \dfrac{14.9}{180-v}\right)$ minimum cost occurs at $v \approx 114... 10 replies | 355 view(s) • April 4th, 2020, 09:26 skeeter replied to a thread [SOLVED] 299What is the acceleration in Calculus$v(t) = \cos{t}+\sin{t} \implies a(t) = \cos{t}-\sin{t} \implies a\left(\dfrac{3\pi}{4}\right) = -\sqrt{2}$4 replies | 274 view(s) • April 3rd, 2020, 10:39 skeeter replied to a thread [SOLVED] Transportation calculus in Pre-Algebra and Algebra What are your units for speed, the$x$in your cost function? I get cost as a function of speed,$v$, in km/hr ...$C(v) = 1375 \bigg$unit... 10 replies | 355 view(s) • April 2nd, 2020, 17:07 skeeter replied to a thread f in Calculus don't know math ... ? 5 replies | 303 view(s) • April 2nd, 2020, 11:56 topsquark replied to a thread f in Calculus I believe the proper question is "What the 'f'?" -Dan 5 replies | 303 view(s) • March 31st, 2020, 19:28 skeeter replied to a thread [SOLVED] 299What is the acceleration in Calculus why did you do that? ... ... if originally,$x = \sin{t}-\cos{t}$, then$v = \cos{t} + \sin{t} = 0 \implies t = \dfrac{3\pi}{4}$4 replies | 274 view(s) • March 31st, 2020, 17:53 topsquark replied to a thread [SOLVED] 299What is the acceleration in Calculus Wait! What do you mean by you changed it to v(t)? The particle's position is x(t) = sin(t) - cos(t) means that v = \dfrac{dx}{dt}. You can't just... 4 replies | 274 view(s) • March 29th, 2020, 12:27 similar problem from another site had$f(x^2-2016x) = f(x) \cdot x + 2016$https://mathhelpforum.com/threads/functions-problem.285171/#post-954658... 2 replies | 179 view(s) • March 27th, 2020, 23:42 Here is this week's POTW: ----- Find the minimum value of$(u-v)^2+\left(\sqrt{2-u^2}-\dfrac{9}{v}\right)^2$for$0<u<\sqrt{2}$and$v>0$. ... 1 replies | 147 view(s) • March 27th, 2020, 23:38 Hi MHB! I have decided to extend the deadline by another week so that our members can give this problem another shot and I am looking forward to... 1 replies | 225 view(s) • March 27th, 2020, 18:40 skeeter replied to a thread 3.6.26 mvt in Calculus average rate of change of$f(x)$on the interval$$is$\dfrac{f(8)-f(2)}{8-2}$the MVT states there exists at least one value of$x \in (2,8)$... 1 replies | 140 view(s) • March 27th, 2020, 09:04 skeeter replied to a thread speed of a light beam in Calculus$\dfrac{d\theta}{dt}$= 5 rpm =$\dfrac{10\pi}{60 \, sec} = \dfrac{\pi}{6}$rad/sec consider the right triangle formed by the light beam, the... 1 replies | 87 view(s) • March 26th, 2020, 20:42 Have you tried looking at \lim_{n \to \infty} \dfrac{a_{n + 1}}{a_n}? -Dan 2 replies | 79 view(s) • March 26th, 2020, 18:35 Let y'(x) = v(x). Then your equation becomes v'(x) + v(x) = -F(x) Now you have a first degree linear ordinary differential equation. You can't... 1 replies | 76 view(s) • March 20th, 2020, 19:44 topsquark replied to a thread [SOLVED] s8.2.5.7 chain rule in Calculus Look at your first factor: \left ( 7x^6 + 8 x^3 \right ) ^3 = ( x^3 ( 7 x^3 + 8 ) )^3 = (x^3)^3 (7 x^3 + 8 )^3 Don't worry. It's an easy mistake... 2 replies | 306 view(s) • March 20th, 2020, 02:18 Here is this week's POTW: ----- Show that the set of real numbers$x\$ which satisfy the inequality \sum_{k=1}^{70}\dfrac{k}{x-k}\ge...
1 replies | 225 view(s)
• March 20th, 2020, 02:15
Congratulations to the following members for their correct solution! 1. castor28 2. lfdahl 3. kaliprasad 4. Oxide Solution from Oxide: ...
1 replies | 236 view(s)
• March 14th, 2020, 23:25
skeeter replied to a thread 296 AP calculus exam. IVT in Calculus
posted in another forum ... https://mathhelpforum.com/threads/276-ap-calculus-exam-ivt.285028/#post-954029
7 replies | 245 view(s)
• March 14th, 2020, 23:06
All of the other answers could be true but since f(x) is not given we could make the function do some or all of these possibilities, as well as...
7 replies | 245 view(s)
• March 14th, 2020, 19:06
I'm just saying that f(x) can be anything so I had fun sketching it. -Dan
7 replies | 245 view(s)
• March 14th, 2020, 19:04
Just to round out the thread I (finally) have an explanation of 3) from my original post. (It looks worse than it is.) p^{ \mu } p^{ \nu } \to ...
7 replies | 729 view(s)
• March 14th, 2020, 17:50
Since we aren't given any real information about f(x) we need to be general. It's possible that f(x) can be just about anywhere is this interval. ...
7 replies | 245 view(s)
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