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Questions Answered

Avva:
Given the solid S: z=x^2 + 4y^2 , z <= 16
Find the volume and surface area of the solid S
 updated one year ago
 7 replies
 3 Medals
Mathematics

bpw2415:
What's the second derivative of f(x)= sec^2 (pix)?
…
 updated one year ago
 6 replies
 2 Medals
Mathematics

momof4:
What type of triangle is this? One of these is the answer: Equilateral
Triangle
Scalene
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Living_dreams:
r(t)=<cost,sint,lncost>
1)find T(t) at (1,0,0) and explain what this tells you about the motion of particle on the curve at this point
2)f…
 updated one year ago
 47 replies
 No Medals Yet
Mathematics

mwixted2:
Find all solutions in the interval [0, 2pi)
7tan^3x 21tan x=0
 updated one year ago
 7 replies
 3 Medals
Mathematics

Living_dreams:
find all local max,min and/or saddle point of f(x,y)=4+x^3+y^3xy
 updated one year ago
 28 replies
 1 Medal
Mathematics

Dj2k12:
PLZ HELP..
if m and k are positive and 10m^2 k^1 = 100m,
what is m^1 in terms of k?…
 updated one year ago
 18 replies
 1 Medal
Mathematics

Sheradon.burkett:
ONLY HAVE 30 MINUTES TO FIGURE THIS OUT!! HELP! SOS!!!!
What is the measure of angle X?
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

southrebels2:
What is the 9th term of the geometric sequence where a1 = 7 and a6 = 7,168?
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

Gonzaloarezo:
8n(2n3)=12 all steps
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

shereehart21:
Use the method of substitution to solve the system of linear equations.
7x+4y=7/6
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

creighton:
Parabola question Please help
…
 updated one year ago
 25 replies
 1 Medal
Mathematics

y0urpointismo0t:
simplify: x/2x+5=5/x
 updated one year ago
 3 replies
 1 Medal
Mathematics

heatjack13:
A figure that has been flipped over has been
 updated one year ago
 2 replies
 1 Medal
Mathematics

Kristy143SIO:
What is the simplified form of x3/x^2+x12 multiply x+4/x^2+8x+16
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

heatjack13:
The circumference of a circle is 50.24 centimeters. Find the radius of the circle. (Use 3.14 for π.)
 updated one year ago
 7 replies
 1 Medal
Mathematics

14319dda:
The slope of a line is 2. What is the slope of a line that is parallel to it?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

dolphintale69:
Write an equation in slopeintercept, pointslope, or standard form for the line with the given information. Explain why you chose the form …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Spectrum:
Which of the following are solutions to (2tanx)/(1 tan^2x) = sqrt(3) more than one avaliable
a. x = (pi/3) + nPI
…
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

ebrown:
On the first example problem for session 32 (http://ocw.mit.edu/courses/mathematics/1802scmultivariablecalculusfall2010/partbchainru…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

Angadpreet:
what does partial differential of a functioon geometrically represents?
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Avva:
Applications of integration :
the line segment x=1y , 0 <or equal x <or equal 1 is revolved about the yaxis to generate a cone . find it…
 updated one year ago
 9 replies
 1 Medal
Mathematics

Avva:
Find the volume generated by revolving the area bounded by y^2=x^3 , x=4
about x=1
…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

Avva:
In our book of analytic geometry
we have a title The canonical form of a line
it is the equation of a line passing through a point p1(x1…
 updated one year ago
 6 replies
 1 Medal
Mathematics

Avva:
In our book of analytic geometry
we have a title The canonical form of a line
it is the equation of a line passing through a point p1(x1…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Avva:
Analytic Geometry
What is the difference between direction vector and direction ratio ?? or the are the same ?? and what is the importance…
 updated one year ago
 3 replies
 1 Medal
Mathematics

kk1022:
.
 updated 2 years ago
 9 replies
 6 Medals
Mathematics

Avva:
Analytic Geometry > Ellipse
Find the equation of ellipse whose focus is (1,1) and the corresponding directrix is xy+3=0 and e=0.5
 updated 2 years ago
 24 replies
 2 Medals
Mathematics

marmar:
HELP!!!!! PICTURE ADDED
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

ZachKetchup:
Write a congruence statement for the pair of triangles.
A.ZYB=OWR by SAS
B.ZYB=WOR by SSS
…
 updated 2 years ago
 6 replies
 1 Medal
Mathematics
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