Mathematics

Can anyone help me finding the derivative of x^2+4xy+y^2=6

i have to find y. Its implicit differentiation answer me as soon as possible-x^2 + 4xy + y^2 = 6 2x * dx + 4x * dy + 4y * dx + 2y * dy = 0 x * dx + 2x * dy + 2y * dx + y * dy = 0 dy * (y + 2x) + dx *

Can someone help with a separation of variables problem

Its a little difficult to read typed math, so I have provided an image of the problem Im trying to solve: http://i54.tinypic.com/33ergo4.png I know I need to separate my variables. I multiplied one

Word Problem > Suppose interest is compounded continuously at an annual rate of 5%. (A) How long will it take

Word Problem > Suppose interest is compounded continuously at an annual rate of 5%. (A) How long will it take for the principal to triple? (B) How long will it take for the principal to quadruple?-22

Story Problem!!!! 10 POINTS TO BEST ANSWER!!!

The very rigorous medical program at a local university has a 20% drop out rate for each year. If the school admits 1,000 freshmen, how many diplomas will need to be ordered 4 years later? 10 POINTS

I don't know what to do with this TRIGONOMETRY question

In a bouquet of flowers, 3 are roses, 5 are carnations, and 4 are daisies.If two flowers are selected from the bouquet, what is the probability that they are both roses?Round your answer to the neares

What is the fifth root of the third root of √a^2b/√ab? (0nly the top radical should be the third root)

I dont know how to show roots on a computer, but it is one radical (the top being the third root) divided by the bottom radical (w/o a root) and both are inside a bigger radical (which would be the 5t

How would you integrate this

How would you take the integral of 1/ (x^2 - 1) from 2 to infinity. I tried by using partial fraction integration technique to simplify it to an ln function, but I am not sure what to do next.-∫dx/(x²

How would you solve this 2 - 5x over x - 10 plus 1 over 3x+ 2

Any help is appreciated.-Add the two fractions, using (x-10)*(3x+2) as an LCM: (2-5x)(3x+2) + 1(x-10) --------------------------------- (x-10)*(3x+2) Expand/Combine like terms: 6x + 4 - 15x^2 - 10x +

Solve for x. Round your answer to 3 decimal places. log(x+4)+log3=3

log(3x+12)=3 1000=3x+12 988=3x 988/3=x

Solving Inequalities Help Please?? 10 points

25. Write four solutions to the inequality 1 > x/3 26. 12x – 3x + 11 > 4x – (17 – 9x) 28. 2(b – 8) > 12 29. a + 8 – 2(a – 12) > 0 30. Suppose you start with at least $52 in your savings account an

How do I solve this word problem

A building has a flagpole on top of its roof. From a point on the ground that is 100 m away from the building, the angle of elevation to the bottom of the flagpole is 18 degrees and the angle to the t

How to solve this math problem on rate.

a 12-lb shankless ham contains 16 sevings. what is the rate in servings per pound?-16 servings per 12 lbs = 16/12 = 4/3 = 1.33 servings per pound

Algebra 1 (10 POINTS)

Give the values of a,b, and c for each equation. (Rewrite the equation in the form ax²+ bx + c = 0.) 1. 5m²+ m = 1 2. - x²= - 5x + 20 3. 3x(3x + 4) = 7-1. 5m^2+m-1=0 2.-x^2+5x-20=0 or x^2-5x+20=0

Need help on how to do this math problem

A) a train travels 448 mile in 7 hours. at his rate how far will it travel in 13 hours? B) if 3 dozen eggs cost $2.67, how much will 5 dozen eggs cost? c) In michigan, there are 2.3 lawyers for every

How do you use binomial theorem

I have a vague idea about how to solve (a+3b)^5, but get lost in the second set of equations... I just need to see it done to understand it, I think.-Since (x + y)^5 = C(5, 0) x^5 + C(5, 1) x^4 y + C