• ### Solve for y =+3y4+6y19?

1 min ago
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• ### MATHS HELP?

For the system given below, a) Define the eigenvalue problem appropriate for solving the system equation. Define the domain and range spaces for the system operator. Find the eigenvalues and eigenfunctions. Prove that the eigenfunctions are orthogonal. b) Find the analytical solution of the partial diﬀerential equation as given. Plot the... show more
13 mins ago
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• ### How do you find the volume of the region bounded by y=0, x = 4, and y= x^2?

I attempted a graph. We are forced to use the shell method on this 'cause problem instructions, but I don't see how it could account for all 3 graphs. Thinking about it more, I think I had to rewrite y = 0 And y = x^2 in terms of y, but they can't be? Other than (y)^(1/2) = 0? But that's half the parabola. What about y = 0? On... show more
13 mins ago
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• ### How to find the average list of numbers?

30 mins ago
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• ### Basic Stats Probability?

There are four patients on the neo-natal ward of a hospital who are monitored by two nurses. Suppose the probability (at any one time) of a patient requiring attention by a nurse is .30. Assuming the patients behave independently, what is the probability at any one time that there will nt be enough nurses to attend to all the patients who need them?
31 mins ago
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• ### What does x = when x^2-x-12/x+3=7?

31 mins ago
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• ### Can someone verify the identity step by step?

54 mins ago
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Edit Eliminate radicals in the denominators of the expressions and then simplify the nominators. 1 / (√8 - √7 - √6 + √5 ) Dunno how to do this one... help?
1 hour ago
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• ### Math homework help?

1) f(x)=ln(x+1)-2 , find the exact value of f(e-1) this is how i worked out the problem and i got it wrong: f(e-1)=ln(e-1+1)-2 f(e-1)=ln(e)-2 f(e-1)=1-2 f(e-1)=-1 2)Solve for the exact value of log base 3 of (3^2) - lne^0.4 this is how i worked out the problem and i got it wrong: logbase3 (3^2)-lne^0.4 logbase3 (9) -... show more
2 hours ago
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• ### Can't seem to get this solids revolution bounded region volume finding problem right no matter what? x=2y-y^2, x=0, revolves around y axis?

What am I doing wrong? The answer is apparently supposed to be (16pi)/15. The disc method is required, that much I know.
2 hours ago
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• ### How to prove that at least one of pi*e and pi/e is irrational?

Given that both constants (pi and e) are irrational and transcendental.
3 hours ago
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• ### Basic Stats Probability?

3 hours ago
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• ### Can anyone solve this math problem?

43*44*45*46*47 divided by 7. What is the remainder. Without the use of a calculator. It was an exam question. I just can not figure it out?
3 hours ago
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• ### Point P is 6 units from the center of a circle of radius 10 cm. How many different chords of the circle contain P and have integer lengths?

3 hours ago
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• ### What's the diffrence between KMH and MPH?

4 hours ago
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• ### Correct type of pseudoreplication and statistical approach?

I have collected multiple samples from one river to test for multiple parameters, but my data is non-independent and pseudoreplicas. I took 25 samples at 25 different points along the river. What statistical approach would you recommend for the most reliable results, and which type of pseudoreplication is this?
4 hours ago
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• ### Can I rewrite ²∫₀ (2y-y²)² dy as -²∫₀ (y²-2y)² dy?

Someone told me that (2y-y²)² and (-2y+y²)² are the same because the expression is squared. I don't get it. Does that mean I can't take the negative out of the leading coeficient?
4 hours ago
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• ### Find F(2) if F(x) = integral from 1 to x (|t|+1)dt?

idk how to do this..
4 hours ago
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• ### Find the ratio of their volume?

a circular sheet is divided into two parts such that each part can be folded into cone,the ratio of their curved surface area is 2:1.
5 hours ago
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