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Finding coordinates of centre of circle

The circle, centre (p, q) radius 25, meets the x-axis at (-7, 0) and (7, 0), where q > 0. Find the value of p and q I found p = 0, since the critical points are equidistant from the origin. I then us

Calculus Question: Limit of a Sequence Help

Ive just been given an assignment online and I cant figure out for the life of me how to solve this problem involving finding the limit of a sequence. Can someone help me out and show me how to do thi

What is the cubed root of 5.5225

cuberoot(5.5225) = 1.7675-[5.5225]^1/3 =cuberoot[55225/10000] =cuberoot[11045/2000] =cuberoot[2209/400]-Why dont you find that out by using your calculator? Derp.

Math Problem, please help.

A company finds that one out of five employees will be late to work on a given day. If this company has 41 employees, find the probabilities that the following number of people will get to work on tim

I don't get this. 3+7x-(2+9x) and also 6-(3x-4)+7x-11

The part I dont get is in the parenthesis I dont get how you can add 2 to 9x and 4 to 3x or the other ones. How do you add number to them please EXPLAIN and THANK YOU in advance.-you dont add them.i t

Limit definition of the derivative

Can anyone help me with this problem? Ive been trying to figure it out but no dice. Use the limit definition of the derivative to find f (x) for f(x)= √(2x-1). An explanation would be greatly apprecia

Please help me solve (3/x^2 -1/3) / (x-3)

Please show your work! Thanks in Advance! :)-[9/(3x^2)-x^2/(3x^2)]/(x-3) [(9-x^2)/(3x^2)]/(x-3) (9-x^2)/[3x^2(x-3)] (3+x)(3-x)/[3x^2(x-3)] -(3+x)(x-3)/[3x^2(x-3)] -(3+x)/(3x^2)

Difference of sq of two numbers is 88 . if the larger no. is 5 less than twice the smaller no. , find the two

numbers .-Let x = one number Let y = the other number Given: x^2-y^2=88 and x=2y-5 Find: x and y x^2-y^2=88 (2y-5)^2-y^2=88 (2y-5)(2y-5)-y^2=88 4y^2-10y-10y+25-y^2=88 3y^2-20y+25=88 3y^2-20y+25-88=0

Please help with distance and rate problem

Juan starts off on his bicycle at 8 mph. one-half hour later, Juanita starts riding along the same route at 12 mph. How long will it take Juanita to catch up with Juan? Please explain the steps so I

Polynomial congruences help!

Find all the solutions of each of the following congruences a). x^3+8x^2-x-1≡0 (mod 11) b). x^3+8x^2-x-1≡0 (mod 121) c). x^3+8x^2-x-1≡0 (mod 1331) d). x^2+x+34≡0 (mod 81)-http://www.cims.nyu.edu/~burr

Sec3 Additional Math Qn

Show that the solutions of the equation x^2+kx= 3-kare real for all real values of k-use discriminat. x^2 + kx +(k-3) = 0 has discriminant = k^2 - 4(k-3) = k^2 + 4k +12 = (k+2)^2 + 8 which cannot be -

Find the Domain of Functions

Find the domain of A) f(x) = Squareroot (x^4 - x^2) B) g(x)= Squareroot (x/x-1) + 1-A) f(x) = sqrt(x^4 - x^2) The domain means the function must be able to be evaluated, so since square root only is

How many 0's does the number 1 decillion have

Decillion 1 and 33 zeros http://www.scribd.com/doc/832783/Numbers…-cardinal number represented in the U.S. by 1 followed by 33 zeros, and in Great Britain by 1 followed by 60 zeros.-1,000,000,000,00

Two easy questions about graphing functions

1) If a question asks you to graph f(x) = |x+2) How would I approach this? I graphed it by moving it 2 units to the left and then drawing a line through it. Whats the difference between f(x) = |x+2)

Help with linear equations/algebra homework

This guy has $10. he buys 3 milk and 2 bread he gets 5 cent change. when he buys 2 milk and 3 1 bread he gets $4.15 change. I need the equation and the solution. x and y intercept when y=3x-6 x an
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