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solve the system: x-2y = 5 2x-y = 3solve the system: x-2y = 5 2x-y = 3

Posted by dododima on August 29, 2010 at 6:57 PM via web.

2 educator answers.

Find the differential coefficient of (2x3)(3x 2) in two different ways

Posted by leavashni on August 29, 2010 at 5:56 PM via web.

Be the first to answer.

Find the area between the curve f(x) = 1/(x+2) and the lines x=0 and x= 1.

Posted by talaltalool on August 29, 2010 at 12:45 PM via web.

1 educator answer.

Solve for x in l x-3 l < 3.

Posted by seedrasoso on August 29, 2010 at 12:19 PM via web.

Solve: log 2 (3x ) - log 4 ( x-2) = 3

Posted by samerrima on August 29, 2010 at 12:12 PM via web.

Find the area between the parabola f(x) = x^2 - 3x +5 and the lines x= 0 and x = 2.

Posted by hadeelhadool on August 29, 2010 at 12:08 PM via web.

Let F(x)=x+3/x+1. The difference quotient for f(x) at x=a is defined f(a+h)-f(a)/h. For the...

Posted by bucio21 on August 29, 2010 at 12:05 PM via web.

Find the intergral of f(x) = x^3 - e^x

Posted by damdoomdima on August 29, 2010 at 12:01 PM via web.

Q bisects Line Segment PR; PQ = 3y; and PR = 42. Find y and QR.

Posted by moose444 on August 29, 2010 at 9:41 AM via web.

Calculate the area enclosed by the x axis and the curve y = e^(2x) in the interval 0 less...

Posted by donovanp on August 29, 2010 at 6:09 AM via web.

Verify if the series of n terms that have the sum S=4^n-1 is a G.P.

Posted by maisaphie on August 29, 2010 at 2:25 AM via web.

Calculate the intercepting points between f(x)=x^2+x+1 and f(x) = 2x + 1

Posted by corrcorina on August 29, 2010 at 2:13 AM via web.

Determine the equation of the line that passes through the points (10, 0) and (-1, 10)

Posted by betzishor on August 29, 2010 at 2:05 AM via web.

Determine the intercepting points between the line f(x) = x + 4 and the parabola f(x)= x^2 + 3x + 1

Posted by raydusol on August 29, 2010 at 1:59 AM via web.

Determine x and y if x+2i+y=x*i+6-y*i.

Posted by zarvamea on August 29, 2010 at 1:44 AM via web.

Write the complex number z in two algebraic form. z = sqrt2*(cos pi/2 + i sin pi/2)

Posted by fairydrink on August 29, 2010 at 1:35 AM via web.

Determine the trigonometric form of the number z=1

Posted by lipiciuc on August 29, 2010 at 1:26 AM via web.

Solve for x (6-2sqrt5)^x - 5(sqrt5 - 1)^x + 6 = 0

Posted by mabottle on August 29, 2010 at 1:11 AM via web.

Find the complex number z if z + 2z' = 2 - i

Posted by gudeapp on August 29, 2010 at 1:05 AM via web.

Find the values of y as y=x^3-2x-1, when the value of x is greater than or equal to -3 or x is...

Posted by lucky092569 on August 27, 2010 at 10:31 PM via web.

(e^2x+1)/e^x dxintegrate by substitution method

Posted by pranilt on August 27, 2010 at 5:01 PM via web.

find the values of x where the function: y= x^3 -3x^2 + 2 reaches a max and min, also calculate...

Posted by donovanp on August 27, 2010 at 7:35 AM via web.

Illustrate a suitable mathematical method to solve the equation x^x = 10 for real x. Given 2^2 =...

Posted by simpson1225 on August 27, 2010 at 3:04 AM via web.

Calculate Re (7+i)/(3-i) + Im (6+2i)/(2i).

Posted by hahaz on August 27, 2010 at 2:57 AM via web.

Equationarctan x+arctan(2x-1)=pi/2

Posted by happybee on August 27, 2010 at 2:42 AM via web.

Differentiate f(x) = 1/(x+1) + ln [(5x+5)/(5x+6)]?

Posted by lexijuly on August 27, 2010 at 2:36 AM via web.

Solve x^[(lgx + 1)/lgx]=100

Posted by adilene on August 27, 2010 at 2:26 AM via web.

Prove that arctan (2+sqrt3)+arctan (2-sqrt3)=pi/2!

Posted by leeaeel on August 27, 2010 at 2:15 AM via web.

Solve the equation (3+2sqrt2)^x + (3-2sqrt2)^x=34

Posted by realcomplexnr on August 27, 2010 at 1:49 AM via web.

Determine x if 6^x - 5^x = 4^x - 3^x .

Posted by sirserie on August 27, 2010 at 1:36 AM via web.

Given that x^2 - 2*f(x) = f(1/x) determine f(2)

Posted by sixpenpencil on August 27, 2010 at 1:31 AM via web.

Solve the equation 2iz/(1 - i) + 2i = 2z(1 - i) - 3 + i

Posted by nena1993 on August 27, 2010 at 1:20 AM via web.

If the points A(2,3+a), B(a-1,2a), C(3,5) are on the line calculate a.

Posted by pavelpimen on August 27, 2010 at 1:10 AM via web.

Calculate |[(3-4i)/(5+12i)]^2|.

Posted by istetz on August 27, 2010 at 1:03 AM via web.

Solve the equation (3-2*sqrt2)^x + 2(sqrt2-1 )^x = 1

Posted by cartoffried on August 27, 2010 at 12:55 AM via web.

Solve for x sqrt(2x+5) = sqrt(x+2) + sqrt(2x-3).

Posted by undoitu on August 27, 2010 at 12:35 AM via web.

Solve log 1/2 (2x^2 + x + 1) >= -1

Posted by ggenius on August 27, 2010 at 12:24 AM via web.

Determine the roots of f"(x) if f(x)= x/(x^2+1) .

Posted by greynose on August 27, 2010 at 12:17 AM via web.

Solve for x and y 4x+ 5y = 10, 6x - 5y = 5.

Posted by jeuxdesfou on August 27, 2010 at 12:11 AM via web.

Calculate f'(x) = 0 if f(x) = x/(1+x^2)

Posted by potziunea on August 27, 2010 at 12:04 AM via web.

Determine the function f=ln(x+1) - a*x if the function is increasing on the interval (-1;infinite).

Posted by lillyan on August 26, 2010 at 11:56 PM via web.

How to solve inequalities with absolute value?I actually know how to solve it for the one problem...

Posted by boscow on August 26, 2010 at 11:17 AM via web.

m/m+1 + 5/m-1=1note the steps step by step please?

Posted by zack- on August 26, 2010 at 10:38 AM via web.

3ax-b=d-4cxplease note every step

Posted by josh- on August 26, 2010 at 10:22 AM via web.

Find the domain. Express your answer in both set notation and interval notation. g(u)=square...

Posted by bucio21 on August 26, 2010 at 6:56 AM via web.

A Rectangle has an area of 98cm2. its length is twice the width. what is the perimeter of the...

Posted by butterfly100 on August 25, 2010 at 7:42 PM via web.

If y=3x-x^3, find the value of x when y=-6.6

Posted by lucky092569 on August 25, 2010 at 1:30 PM via web.

find the integral: 1. [x - (5/x) -e ^-2x]dx 2. (-sinx / cosx)dx 3. (2t - 9)^4 dt 4....

Posted by donovanp on August 25, 2010 at 7:28 AM via web.

Calculate x1^100 + x2^100 and (x1 - 1)^50+(x2 - 1)^50. x1 and x2 are the roots of equation...

Posted by dir3ctionn3 on August 25, 2010 at 3:17 AM via web.

Calculate (1+i)^4 + (1+i)^2 + 1 ?

Posted by shoppana on August 25, 2010 at 3:08 AM via web.

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