Mathematics

Trigonometric grade 11 math(uni) word problems

Im having problems with these words problems i dont know why but my answers not coming out the way it should from what the back of the text book says. The arm of a boom crane is 12m long because of

How do you find a1 and an for this arithmetic/geometric series

25E 3n+1 ; n=1-plug in the n value to get the first term, plug in the value on top of the sigma to get the last term

How to find angular velocity in terms of revolutions per second and linear velocity in terms of units per sec

Hi^_^. I want to know the formulas for angular velocity and linear velocity (along with what each variable in the formula represents, please~) Im mainly looking for the formulas, but itd be nice to

[POINTS] Statistics how to find value of the linear correlation coefficient r

height: 130 130 135 150 135 140 120 160 interval after 104 104 82 102 111 60 75 97 a] Find the value of the linear correlation coefficient ------------------- answer: r=0.163----------------- b] Fin

Decide whether the following problem requres combinations or permutations

1. 8 members of a matching band are auditioning for 3 lead positions. In how many ways can students be chosen for the lead positions? ( Please explain how you know if this is combination or permutatio

Find the slope and y-intercept.

Find the slope and y-intercept. y=3x-5 A. m=-3; b=5 B. m=3; b=-5 C. m=0; b=5 D. m=-5; b=3-B-The equation of a line with slope and y-interceptis:y = mx + b Where m is the slope and b is the y-intercep

Slope Intercept Questions Help.

1. Write an equation of the line containing the given point and parallel to the given line. (5,-3), 9x-5y=8 2. Find an equation of the line having the given slope and containing the given point. m

Find equation for the ellipse that shares a vertex + focus with parabola x^2 + y = 100, other focus at origin

Please help me with this problem.I already figured out the shape of the figure (figures) but I cant figure out how to get what a or b is.Thank you so much for your help!-x² + y = 100 x² = - y + 100 x²

Instantaneous rate of change?!

I have a table of values of X and Y, so how do I find the instantaneous rate of change at a specific X value without graphing?-Technically, you cannot.You do not have sufficient data.Because you have

If ∆x represents change in position, what do you think ∆t would represent

Stuck on this problem... If ∆x represents change in position, what do you think ∆t would represent? How would you calculate ∆t?-Well, in physics/chemistry/science, delta t means change in temperature

Lost with integration

In my calculus class, were working on integration by parts specifically, but the worksheet I was given can utilize various methods. Can someone please help me? Im stuck on a couple of them. The defin

I really need help with my math homework!! Can anyone help

How many ways can 8 math analysis students be seated at a circular table it Trish and Luke refuse to sit next to each other?-Lets say Trish goes first. He can take any of the 8 seats. Now lets place L

Prove inequation.i dont understand the question

ifx real and p=3(x^2 + 1)/2x - 1 prove that p^2 -3(p+3) >= 0-I believe you meant to write p = 3(x^2 + 1)/(2x - 1). Parentheses are important. If you write it the way you did, then Tim is right. If yo

Really really confused with integration by parts

I try and try, but it never seems to come out correctly. Can someone please help me solve this step by step?? The indefinite integral of (x^2)sin(pix) dx Please and thank you! Im so frustrated! >-Fi

Simplify this expression ->

I need help with this expression. ^3√8x^3/3 Person to help gets Best Answer :D thanks!-It doesnt make sense, I think you need to learn how to use parentheses first.