Melanka W.

<A is on the left <B is on the top<C is on the right <A= (6x+20) degrees <C= (3y-2) degrees Triangle EDF is upside down<E is on the left <F is on the right<D is on the... more

(1) Find the number of ways 3 people can be seated in a row of 15 chairs, explaining each step in turn.(2) Use the binomial theorem to expand the following equation, explaining each step in turn: ... more

Given that F = x3zi - 2yz2j + x y3z4k. Find the following at (1,1,3):i)div F.ii)curl F.iii)∇ · (∇ x F).

We roll a fair die four times.(a) Describe the sample space Ω and the probability measure P that model thisexperiment. To describe P , give the value P (ω) for each outcome ω ∈ Ω.(b) Let A be the... more

Let F(x,y,x) = < x+y, y-2z, x + 2z > . Let C be the curve of intersection of the paraboloid z = x2 + y2 with plane z = x, and suppose that the curve is oriented counterclockwish when we look... more

Blues vary inversely as purples cubed. When there are 250 blues, there are 2 purples. How many blues are present when there are 5 purples?

Gretchen deposited $7000 in an account that earns 2% interest compounded annually..(a) Write an equation that expresses the amount of money in the account as a function of n, where n equals the... more

Could someone let me know how we could solve this question related to change of variables in double integrals?I've also included my work in:... more

Draw a directed graph that has the following adjacency matrix:0 1 0 22 0 1 00 0 1 11 1 1 1