Saturday
May 25, 2013

# Posts by jeremy

Total # Posts: 220

chemistry
What is the Leis Structure for PbCl3?

computor programming
is the design phase of a give project only as good as the analysis of the previous phase

history
How might have the maps indication of where Native Americans lived strengthened European claims of sovereignty?

algebra
14+x2 simplify

Math
Find the quotient 3(cos (5pi/12) + i sin (5pi/12) / 6(cos (pi/12) i sin (pi/12)). Express the quotient in rectangular form. I have no idea what I did but I got (1/4) - 433i/1000.

Pre Cal.
1. Identify the conic section represented by: 9y^2+4x^2 - 108y+24x= -144? Is it ellipse. 2. Find the coordinates of the vertex and the equation of the axis of symmetry for the parabola represented by: x^2 + 4x - 6y + 10 = 0. vertex: (-2 , 1) axis of symmetry: x = -2

Pre Cal.
Express 5sqrt(3) - 5i in polar form. A: 10(cos(11pi/6) + i sin(11pi/6)) Express 4(cos(3pi/4) + i sin(3pi/4)) in rectangular form. A: -2sqrt(2) + 2sqrt(2i Write 2x+y=5 in polar form. A: sqrt(5)= r cos (theta-27degrees) Are these correct?

Pre Cal.
The expression 81p^4 + 108 p^3 r^3 + 54p^2 r^6 + 12 pr^9 + r^12 is the expansion of which binomial? A: (3p+r^3)^4 The fifth term in the expansion of (3x^2-sqrt(y))^6 is _______. A: 135x^4y^2

Pre Cal.
Find three geometric means betwee -sqrt(2) and -4sqrt(2). A: 2, -2sqrt(2), 4 Is 6 sqrt(2)+ 6 + 3sqrt(2)+... a convergent series? A: Yes. Is 1 + 3(1/2) + 9(1/2)^2 + 27(1/2)^3 +... a divergent series? A: Yes. Are these right?

algebra 2
how do i find the radical notation of 25 -1/2?

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