Mathematics

Please solve this! radical sign x + 3 = 12

--- Your description is ambiguous. Did you mean √(x+3) = 12OR (√x) + 3 = 12. Ill work both, just so you can see the difference. --- √(x+3) = 12 Square both sides. x+3 = 144 x = 141 --- √x +

Finding coordinates of the point where the line meets the...

...circle? Find the coordinates of the point where the circle x² - 8x + y²- 2y - 3 = 0 meets the line x - 2y - 12 = 0-The point where the line meets the circle will satisfy the equation of both the l

MATH Question, Please help me

Please help me by answering the below question as I have a Grade 12 Pre Calc test in 2 hours and do not have the answer sheet for the practice test I was given, Will still give best answer to the pers

One algebra one question.

Simplify 4^8/4^2 4^10 4^4 4^6 4^8 - 4^2-4^8/4^2 = 4^8 * 4^(-2) = 4^(8-2) = 4^6-4^6 division you subtract exponents (10^6 / 10^3 = 10^3) multiplication you add exponents (10^6 x 10^3 = 10^9)-whenev

What % do I need to pass Sociology? (pic included)

Hey everyone. Because Im terrible at math, I dont know what the minimum grade I need to get on my college sociology exam to pass. The minimum I need is a 70% C- The total for the entire class (points

Evaluate: 11.036 – 1.048 ?? :) help

how do you......Evaluate: 11.036 – 1.048??? :(-omg you so crazy, just subtract them! 9.988-evaluate just means answer it....so, 11.036 - 1.048 = 9.988 the key in maths is to not over think things :)

How do you solve this problem

I need help with this problem. As a salesperson at Trading Cards Unlimited, Justin receives a monthly base pay plus commission on all that he sells. If he sells $400 worth of merchandise in one month

I need some help finding the equation of the tangent line for this calculus problem

Find the equations of the tangent line at t = 0 x = 2t^3 - 4t + 7,y = t + ln(t + 1)-x(0) = 7 and y(0) = 0, so the point is (7,0). dx/dt = 6t² - 4 ==> dx/dt = -4 when t = 0 dy/dt = 1 + 1/(t + 1) ==

I need some help finding the slope of the tangent line of a graph!

I really need some help with this problem. Ive tried several different methods to get the answer but I cant get the answer! Find the slope of the tangent line to the graph of r = 3 + 3 cos θ at the p

Please help me with an easy trig identity

cos(2x) / sin(x) + sin(2x) / cos(x) = csc(x) Prove that it is an identity. Ive been stuck on this for hours and would really appreciate it if anyone could help.-[(cos 2x)/sin x] + [(sin 2x)/cos x] =

Do you know what a "determinant" is

Yeah, neither do I.But I am supposed to know it by Wednesday. BQ:How much could I pay you to put on a black and hot pink wig and take my math final for me?I am very poor but I have other ASSets you m

Problem with math... please help

Okay so when Im doing anything to do with any kind of math, I get so upset! I cant do it no matter how hard I try! Ill think I can do it, then as soon as I go to take a test or do my hw, it just slips

Math help? (exponential equations?)

I keep trying this problem over and over again, and I cant get the answer thats in the back of the book. Can someone tell me where Im going wrong? 0.3 ^(1+x) = 1.7 ^ (2x-1) (1+x) ln 0.3 = (2x-1) ln 1

Finding cosines, sines, and tangents

Without the aid of a table or a calculator. How can I find them? Now, I dont want a method, I want a formula. I havent been able to find one. Even if its insanely long and confusing, I want a formula

Calculus help! Two years ago there were8 grams of a radioactive substance. Now there are 6 grams. How much....

Two years ago there were 8 grams of a radioactive substance. Now there are 6 grams. How much will remain 3 years from now?-The equation for radioactive decay is A(t) = A(0)e^(kt) where A(t) is the a