IsTim
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Questions Asked

IsTim:
Group Title
Express each function as a power with a rational exponent, and then differentiate. Express each answer using positive exponents. y=sqrt(2x3…
 updated 2 years ago
 26 replies
 1 Medal
Mathematics

IsTim:
Group Title
Differentiate, expressing each answer using positive exponents. d) y=(4x^2+3x)^2
 updated 2 years ago
 52 replies
 4 Medals
Mathematics

IsTim:
Group Title
Determine the points on each curve that correspond to the given slope of the tangent.
y=(2x1)(4+x^2), m=3
 updated 2 years ago
 9 replies
 1 Medal
Mathematics

IsTim:
Group Title
Determine an equation for the tangent to each curve at the indicated value.
P(x)=(x^3+2)(4x^23),x=3
 updated 2 years ago
 13 replies
 2 Medals
Mathematics

IsTim:
Group Title
Determine dy/dx for y=5sqrt(x^3)
 updated 2 years ago
 22 replies
 2 Medals
Mathematics

IsTim:
Group Title
Find the equation of the tangent to the curve at the given x value.
 updated 2 years ago
 75 replies
 5 Medals
Mathematics

IsTim:
Group Title
Find the equation of the tangent to the curve at the given x value. y=sqrt(x^2+3),x=1
 updated 2 years ago
 23 replies
 1 Medal
Mathematics

IsTim:
Group Title
In the difference quotient, is h always 0.001?
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

IsTim:
Group Title
Do the points A(2,1,5), b(1,1,10), and c(8,5,5) define a plane? Explain why or why not.
 updated 2 years ago
 42 replies
 1 Medal
Mathematics

IsTim:
Group Title
Given each scalar equation, write a vector equation. x=8
 updated 2 years ago
 38 replies
 3 Medals
Mathematics

IsTim:
Group Title
Show that the line [x,y,z]=[10,5,16]+t[3,1,5] is contained in x+2yz4=0
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

IsTim:
Group Title
Which pairs of planes are parallel and distinct and which are conincident?
2x+4y7z2=0
4x+6y14z8=0
 updated 2 years ago
 32 replies
 2 Medals
Mathematics

IsTim:
Group Title
If every electron must have a unique set of 4 quantum numbers, how many different electrons (Sets of 4 quantum numbers) can there be for eac…
 updated 2 years ago
 6 replies
 2 Medals
Mathematics

IsTim:
Group Title
Use direction vectors to determine if each line intersects the plane 3x2y+4z=5.
r=[3,2,7]+t[3,6,2]
 updated 2 years ago
 20 replies
 1 Medal
Mathematics

IsTim:
Group Title
Determine the projection and its magnitude, of U on V. U=[3,1,4], v=[6,2,7]
 updated 3 years ago
 8 replies
 1 Medal
Mathematics

IsTim:
Group Title
I'm doing a 10 min presentation on microbes used in oil spills (I was thinking of using plants to detect landmines, but that's...). What for…
 updated 3 years ago
 35 replies
 3 Medals
Mathematics

IsTim:
Group Title
To deal with the annoying habits of new users or those who consistently come for just answers, maybe host a "Tip of the Day" Section every t…
 updated 3 years ago
 2 replies
 2 Medals
Mathematics

IsTim:
Group Title
Determine the projection of the first vector on the second.
a=[6,1], b=[11,5]
 updated 3 years ago
 32 replies
 5 Medals
Mathematics

IsTim:
Group Title
Determine the work done by each force in newtons for an obect moving along the vector s, in metres. F=[67.8,3.9],s=[4.7,3.2]
 updated 3 years ago
 29 replies
 4 Medals
Mathematics

IsTim:
Group Title
Triangle ABC is an equilateral triangle, with O as its centroid. Show that OA+OB+OC=0.
 updated 3 years ago
 21 replies
 3 Medals
Mathematics

IsTim:
Group Title
A medieval prince trapped in a castle wraps a message around a rock and throws it from the top of the castle with an initial velocity of 12m…
 updated 3 years ago
 46 replies
 2 Medals
Mathematics

IsTim:
Group Title
A marble rolls off a table with a velocity of 1.93m/s[horizontally]. The tabletop is 76.5cm above the floor. If air resistance is negligible…
 updated 3 years ago
 55 replies
 2 Medals
Mathematics

IsTim:
Group Title
A skater travels in a straight line 8.5*10^2m[25 degress N of E] and then 5.6810^2m in a straight line [21 degrees E of N]. The entire motio…
 updated 3 years ago
 32 replies
 2 Medals
Mathematics

IsTim:
Group Title
A skater travels in a straight line 8.5*10^2m[25 degress N of E] and then 5.6810^2m in a straight line [21 degrees E of N]. The entire motio…
 updated 3 years ago
 13 replies
 3 Medals
Mathematics

IsTim:
Group Title
Determine the exact equation of the function given the info: 4th degree function touches the xaxis at 4, crosses xaxis at 0 and 2. (1,54…
 updated 3 years ago
 17 replies
 1 Medal
Mathematics

IsTim:
Group Title
Determine the exact equation of the function given: f(x)=k(x1)(x+2) and goes thru point (2,8)…
 updated 3 years ago
 11 replies
 1 Medal
Mathematics

IsTim:
Group Title
how to graph g(x)=3x^4=3x^2
 updated 3 years ago
 24 replies
 1 Medal
Mathematics

IsTim:
Group Title
Graph the function:y=3csc[1/2(x3pi/4)]+5. State the domain and range.
 updated 3 years ago
 35 replies
 2 Medals
Mathematics

IsTim:
Group Title
2 point sources, S1 and S2, oscillating in phase send waves into the air at the same wavelength, 1.98 m. Given that there is a nodal point w…
 updated 3 years ago
 47 replies
 1 Medal
Mathematics

IsTim:
Group Title
2 point sources, S1 and S2, oscillating in phase send waves into the air at the same wavelength, 1.98 m. Given that there is a nodal point w…
 updated 3 years ago
 7 replies
 3 Medals
Mathematics
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