alfie
Name:
Andrew
School:
University Federico II
About:
Hey everyone, I am from Italy, currently studying computer engineering, lots of math and codes floating around my head :P.
I think the purpose of this website is to give hints, so that the user can understand the solution, not just throw it there, answering. If it's so, the user won't learn much, and that is just useless.
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Questions Answered
michaelJordan:
Evaluate the expression below when g = -6.
-3g-2-(-4g+10)=
updated one year ago
7 replies
1 Medal
Mathematics
maheshmeghwal9:
How can we test the continuity of the function below :--
updated one year ago
21 replies
1 Medal
Mathematics
alfie:
Sequence of functions and uniform convergence.. I am having some troubles with this topic, so here it is...
\[f_{n}(x)\] = \[\large \log(1+…
updated one year ago
16 replies
2 Medals
Mathematics
dldinatale:
How long would it take a penny to hit the ground when droped from a roof 192 ft high
updated one year ago
4 replies
1 Medal
Mathematics
laurenr93:
d/dx sin^2(x)......?
OR d/dx (sinx)^2
Same thing
updated 2 years ago
3 replies
No Medals Yet
Mathematics
decripter37:
Someone can show me the dimonstration of the Rolle's theorem about the existence of a tangent, with derivative 0, to the f(x) function in a …
updated 2 years ago
3 replies
2 Medals
Mathematics
isuru:
Suggest me a book to learn fundamental physics AP level(USA) or Adavanced Level(UK)? It is great if that book has lots of sample problems.
updated 2 years ago
5 replies
4 Medals
Mathematics
ooosam:
A 1.0-kg block and a 2.0-kg block are pressed together on a horizontal frictionless surface with a compressed very light spring between them…
updated 2 years ago
5 replies
2 Medals
Mathematics
joyce153:
See attachment.
updated 2 years ago
8 replies
2 Medals
Mathematics
coral1998:
Would you drink a monster, gatoraid, both, or neither this is for algebra
updated 2 years ago
2 replies
No Medals Yet
Mathematics
MicaelaS21:
Simplify the expression: ln10-ln(x+6)=5 I know that the answer is: {10-6e^5/e^5} But I don't know how to work out the problem.
updated 2 years ago
5 replies
2 Medals
Mathematics
didi8917:
parlate italiano?
updated 2 years ago
2 replies
No Medals Yet
Mathematics
ooosam:
A crane lifts a 425 kg steel beam vertically a distance of 66 m. How much work does the crane do on the beam if the beam accelerates upward …
updated 2 years ago
4 replies
1 Medal
Mathematics
elica85:
25kg box slides 4m down the 30 degree ramp. spring constant is 1000N/m. coefficient of kinetic friction is .25. what is the max compression …
updated 2 years ago
22 replies
2 Medals
Mathematics
Pirate:
Why do we wanna find points of discontinuity？
updated 2 years ago
2 replies
3 Medals
Mathematics
coolcat93:
A 2.0 kg box that is sliding on a frictionless surface with a speed of 13 m/s approaches a horizontal spring. (See Fig. 5.18.) The spring ha…
updated 2 years ago
2 replies
No Medals Yet
Mathematics
dessie91:
√3 · √21
= 3√7 ??
updated 2 years ago
2 replies
2 Medals
Mathematics
Kuroks:
A 0.145 kg baseball is pitched at 42 m/s. The batter hits it horizontally to the pitcher at 58 m/s.
A.Find the change in momentum of the bal…
updated 2 years ago
6 replies
2 Medals
Mathematics
greenday101:
Suppose that a 1100 kg car is traveling at 24 m/s (≈52.8 mph).
Its brakes can apply a maximum force of 5000 N while skidding to a stop.
(a) …
updated 2 years ago
2 replies
No Medals Yet
Mathematics
greenday101:
A 720 kg race car starts from rest on the race track and travels 39 m in 2.9 seconds.
The car is uniformly accelerated during the entire tim…
updated 2 years ago
2 replies
No Medals Yet
Mathematics
greenday101:
The diagram below shows an Atwood's Machine: Mass A (5 kg) and Mass B (1.5 kg) are attached to a frictionless, massless pulley.
Hint: These …
updated 2 years ago
2 replies
No Medals Yet
Mathematics
Nikkasaur:
whats 2!
updated 2 years ago
32 replies
2 Medals
Mathematics
Kuroks:
A 0.145 kg baseball is pitched at 42 m/s. The batter hits it horizontally to the pitcher at 58 m/s.
A.Find the change in momentum of the bal…
updated 2 years ago
2 replies
1 Medal
Mathematics
janiefosho909:
Which of the following represents the area of a rectangle whose length is 3x - 7 and whose length is
x + 2? (4 points)
Answer…
updated 2 years ago
3 replies
No Medals Yet
Mathematics
sonofa_nh:
a 1.00 kg block compresses a spring for which K1 = 100 N/m by 20.0 cm and is then released to move across a horizontal, frictionless table, …
updated 2 years ago
6 replies
1 Medal
Mathematics
jonathan1992:
how do i change my pic
updated 2 years ago
2 replies
No Medals Yet
Mathematics
alfie:
What's wrong with my integration?
I've used integration by parts:…
updated 2 years ago
11 replies
1 Medal
Mathematics
Lindsayb12:
Solve, using the substitution method.
y = 2x + 6…
updated 2 years ago
5 replies
1 Medal
Mathematics
Lindsayb12:
Solve, using the substitution method.
3x + 2y = 11…
updated 2 years ago
4 replies
1 Medal
Mathematics
BABS:
dont get this one help please 7x/3 + 2 = -15
updated 2 years ago
7 replies
1 Medal
Mathematics
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