11/12/13
Find the value of x so that the area under the normal curve is between...
EDIT: μ = 200 and σ = 25.
1. Find the value of x so that the area under the normal curve between μ and x is .4525 and the value of x is less than μ.
2. Find the value of x so that the area...
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11/11/13
Find the Power Series in terms of sigma:
Find the Power Series of f(x) = x^5/(4-x^3) in terms of sigma.
11/11/13
if you were to find the cos75°, which formulas could you use? Would you get the same answer using both methods? How would you know?
if you were to find the cos75°, which formulas could you use? Would you get the same answer using both methods? How would you know?
please explain
07/28/13
Find the general solution?
Find the general solution of x^2*y"+4xy'+2y=0 that is valid in any interval not including the singular point.
Answer:...
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07/17/13
Do the equations x = 4y + 1 and x = 4y – 1 have the same solution? How might you explain your answer to someone who has not learned algebra?
Do the equations x = 4y + 1 and x = 4y – 1 have thesame solution? How might you explain your answer to someone who has not learnedalgebra? How do you solve? This is for new learners in Algebra.
07/13/13
Is differential geometry pure math?
Is this course pure math? Is it college math or graduate level math? Do physics and engineering majors need this course? What's the name of the textbook for this course that MIT uses?
07/09/13
remainder 43, quotient 344, dividend 43 043
The question is:
The remainder is 43.
The quotient is 344.
The dividend is 43 043.
What is the divisor?
07/08/13
Find approximate values?
Find approximate values of the solution of y'=3+t-y, y(0)=1 at t=0.1, 0.2, 0.3, and 0.4 using the Euler method with h=0.1.
07/04/13
Solve the initial value problem?
Solve the initial value problem y'+2y=g(t), y(0)=0, where g(t)={1, 0≤t≤1, 0, t>1.
07/03/13
Show that this equation is homogeneous?
Show that dy/dx=(4y-3x)/(2x-y) is homogeneous.
xv=y
v'x+v=y'
v'x+v=(4y-3x)/(2x-y)
07/03/13
find the inverse of f(x)=1/x^5
i do not know how to do this. can someone please show me the steps to solving this problem.
06/29/13
Find the solution of the given initial value problem?
Find the solution of the given initial value problem for ty'+2y=t^2-t+1, y(1)=1/2, t>0.
06/19/13
Solve the differential equation?
Solve the differential equation y^(4)-5y"-36y=0.
r^4-5r^2-36
(r^2-9)(r^2+4)
r=3, -3, 2i, -2i
y=c1*e^3x+c2*e^-3x+c3(cos(2x))+c4(sin(2x))
Is that the right answer?
And can someone give me some...
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06/15/13
Compute the circulation of the vector field?
Compute the circulation of the vector field H=<-y^3, x^3> over the boundary of the region D={x^2+y^2<=1, y>=0}.
06/12/13
Find all integers k so that the trinomial can be factored. 3x^2+kx-1
i don't get what i'm supposed to do
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