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 47
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Questions Answered

iop360:
1)Prove the statement is true
2)Is the converse true? if so, prove it
3)Is the contrapositive true? if so, prove it…
 updated 2 months ago
 47 replies
 3 Medals
Mathematics

iop360:
Consider the differential equation 2y′′+2y′+2y=0 with y(0)=−1 , y′(0)=−3. Taking the Laplace transform and solving for L(y) yields :
L(y)=F…
 updated 4 months ago
 23 replies
 2 Medals
Mathematics

iop360:
Find a particular solution to the differential equation
y′′+9y=sec(3x)
…
 updated 5 months ago
 2 replies
 No Medals Yet
Mathematics

iop360:
Find a particular solution to the differential equation
y′′+4y=cos^2(2x)
 updated 5 months ago
 9 replies
 1 Medal
Mathematics

iop360:
Find y as a function of x if
y(4)−10y′′′+25y′′=0,
…
 updated 5 months ago
 7 replies
 1 Medal
Mathematics

iop360:
What is the integrating factor of the differential equation (12y+7x)dx + (6x 4(x^2)(y^(1))) = 0
 updated 6 months ago
 31 replies
 1 Medal
Mathematics

iop360:
Find the general solution of the differential equation y  y^(4) = (y^(3) + 3x)y'
 updated 6 months ago
 51 replies
 3 Medals
Mathematics

iop360:
Solve the initial value problem
12(t+1)(dy/dt)−8y=32t,
…
 updated 6 months ago
 31 replies
 2 Medals
Mathematics

iop360:
Find the solution to the initial value problem
Equations Posted below
 updated 7 months ago
 11 replies
 1 Medal
Mathematics

iop360:
See Picture Attached:
If the force acting along the leg is 360N, determine the component along the y axis
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

iop360:
If Delta r is really small, you can see that all the strips approximate a triangle in the figure Part C (the area under the diagonal line). …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

iop360:
If u and v are the vectors below, find the vector w whose tail is at the point halfway from the tip of v to the tip of u and whose head is a…
 updated one year ago
 5 replies
 1 Medal
Mathematics

daryladams28:
A cylinder has a volume of 56.52 m3 and a radius of 3 m. What is its height?
(Assume = 3.14)
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

kelseylynne54:
Tamara purchased a building for $114,750. The land appreciates about 2.3% each year. What is the value of the land after 11 years?
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

kelseylynne54:
Mauricio purchased a car for $19,655. It depreciates about 4.7% each year. What is the value of the car after eight years?
 updated one year ago
 1 reply
 1 Medal
Mathematics

iop360:
Need verification:
Apply newton's method with initial approximation x1=4 to find the 2nd and 3rd approximations x2 and x3 to the real root…
 updated one year ago
 21 replies
 2 Medals
Mathematics

iop360:
Find all distinct roots(real or complex) of
z^2 + (9+3i)z + (24+11i) in the form a+bi.
Hint: You may have to complete the square
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

iop360:
Find all complex numbers z satisfying...
 updated one year ago
 20 replies
 2 Medals
Mathematics

iop360:
find all complex numbers z satisfying
z^3 = 27i in the form a + bi.
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

iop360:
find all complex numbers z satisfying
z^4 = 16 in the form a+bi
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

iop360:
find all complex numbers z such that z^2 = 7  24i
give your answer in the form a+bi
 updated one year ago
 14 replies
 1 Medal
Mathematics

iop360:
solve for z, and give your answer in the form a + bi
(conj)z+2z = 2+4i+conj(7+3i)
…
 updated one year ago
 26 replies
 3 Medals
Mathematics

iop360:
Solve for z, and give your answer in the form a+bi.
conj(3z+−3+4i) = z+−7
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

iop360:
A large container has the shape of a frustum of a cone with top radius 8m, bottom radius 2m, and height 6m. The container is being filled wi…
 updated one year ago
 70 replies
 1 Medal
Mathematics

iop360:
isolate y for the following equation:
 updated one year ago
 34 replies
 1 Medal
Mathematics

iop360:
isolate equation for x: ( find the inverse equation!)
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

iop360:
approximately by what percentage does the volume of a sphere increase if it's surface area is increased 2%?
 updated one year ago
 21 replies
 1 Medal
Mathematics

iop360:
approximately by what percentage does the volume of a sphere increase if it's surface area is increased 2%?
See formulas below
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

iop360:
how to write a factorial in C++
 updated one year ago
 15 replies
 No Medals Yet
Mathematics

iop360:
find the equations of three tangent lines to the graph of y = 4x^3 40x^2 + 125x  126
which pass through point (1, 1) (but not on the cur…
 updated one year ago
 56 replies
 2 Medals
Mathematics
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