Mathematics

Geometry anyone? if a line is in a plane does that mean that all the points are in the plane or at least 1 poi

if a line is in a plane does that mean that all the points are in the plane or at least 1 point? A line AB is in plane q and AB is perpendicular to plane p. Are planes p and q perpendicular?-I believ

Can someone help with some trig

csc^2x* secx = secx+cscx * cotx i just need help proving they are identities, thanks-secx+cscx * cotx = 1/cosx + 1/sinx * cosx/sinx = (sin^2 x + cos^2 x) / (cosx *sin^2 x) = 1/cosx * 1/ sin^2 x =

Simplified form of this expression: cot beta sin beta

Use fundamental trig identities-cot(ß)sin(ß) Since cot(ß) = cos(ß)/sin(ß).. cos(ß)/sin(ß) * sin(ß) = cos(ß) I hope this helps!

Pythagorean theorem with variables

ok so this problem is based on the a^2+ b^2 is c^2 Please help me solve it and find n And explain in steps how you got it (n)^2 +(n+3)^2= (n+6)^2-n^2 + n^2 + 6*n + 9 - n^2 - 12*n - 36 = 0 n^2 - 6*n

Which quadrant (in unit circle) does theta lie, if sin theta < 0 and sec theta > 0

sin theta sec theta > 0 in quadrants 1 and 4 sin theta 0 = intersection of {3,4} and {1,4} Quadrant 4. My money is on quadrant 4. GO QUADRANT 4!-Which quadrant (in unit circle) does theta lie, i

Finding the domain of a function

y=(square root of x-3) y=(square root of 2x+5)-7 f(x)=(square root of 9+x) please help? Thanks.-ok so the square root of something cant be negative. So the thing under the radical has to be positive

Solve for x the angle: sin 2x=1 and cos2x=1 where angle is measured in radians.

Domain between 0 to 360. It would be a great help if you could show the steps to getting the answer-sin 2x=1 => 2*sin x*cos x =1 => sin x*cos x=1/2 => sin^-1 x= 1/2 and cos^-1 x=1/2 =>x= pi/6 and

What Are The Factors Of (a + b)12

Question: List the factors in each expression: (a + b)12 I dont get it. Help, please!-If the 12 is a factor then all the factors are: (a + b) (2) (2) (3) If the 12 is an exponent, then there are tw

Integral of (x+2)/(x^2+3x-4)

I need a step by step answer please, this is an example Im working on to study for a midterm.-Note that the denominator factors to (x + 4)(x - 1), so, by Partial Fractions, we can write: (x + 2)/(x^2

Need help with integers

find the third of three consecutive odd integers such as that the sum of second and third is 48.. i know how to do the problem ..first we have to represent the three integers as: first: n second: n+2

What does this equal too and how

first if i have 4x19 multiplied by square root x ^1 = 4x18? is that right? second what is 20(4x^18)? thanks!-neither...4 x^(19) * √ x = 4x^(19)[ x^(1/2) ] = 4 x^(19.5)

Deck of Cards Probability Question

Suppose 5 cards of a poker hand are dealt one at a time without replace­ment. If the first two cards drawn are aces what is the probability two of the last three will be aces.-this is a conditional pr

How do I simplify 3√300 + 2√27

I was sick today,so I didnt go to school.Being absent doesnt excuse me from the assignment though,since I have internet access.Todays lesson was about simplifying radical expressions like the one abov

Integral of (2x^3+x^2-8x-1)/(x^2-x-2)

Not sure how to do this problem, can someone please give a step by step answer?-Since the degree of the numerator exceeds that of the denominator, perform division first to get: (2x^3 + x^2 - 8x - 1)/

If 2i is a root of x^3+2x^2+cx+8=0, find c

Help! I do not understand. I want to know how to do it, so if you could try and show me some steps that would be greta. thank you so much i cant tell you how much it means to me!-f(x) = x^3+2x^2+cx+8