Friday
November 28, 2014

Posts by Bosnian


Total # Posts: 1,763

calculus
Go on: wolframalpha dot com When page be open in rectangle type: derivative (5 sec^2 x-7 ) ^3 (x^5-5 cosec x - 1)^7 and click option = After few seconds when you see result click option: Show steps
December 25, 2011

Trig
sec ( theta ) = 1 / cos ( theta ) sec ( theta ) - cos( theta ) = [ 1 / cos ( theta ) ] - cos ( theta ) = [ 1 - cos ^ 2 ( theta )] / cos ( theta ) = sin ^ 2 ( theta) / cos ( theta ) = sin ( theta ) * sin ( theta ) / cos ( theta ) = [ sin ( theta ) / cos ( theta ) ] * sin ( ...
December 17, 2011

geometry
In google type: Use the figure below to answer questions 8-10. Point B is the midpoint of Segment A C.. You will find answer
December 17, 2011

Calculus
Go on: wolframalpha dot com When page be open in rectangle type: second derivative 3/(x^2+12) and click option = After few seconds when you see result click option: Show steps On wolframalpha dot com you can practice any kind of calculus.
December 15, 2011

Trigonometry
Remark: cos ^ 2 ( x ) = 1 - sin ^ 2 ( x ) 12 cos ^ 2 ( x )= 12 [ 1 - sin ^ 2 ( x ) ] = 12 - 12 sin ^ 2 ( x ) 29 sin ( x ) - 12 cos ^ 2 ( x ) + 4 = 29 sin ( x ) - [ 12 - 12 sin ^ 2 ( x ) ] + 4 = 29 sin ( x ) - 12 + 12 sin ^ 2 ( x ) + 4 = 29 sin ( x ) - 8 + 12 sin ^ 2 ( x ) = 12...
December 11, 2011

Trigonometry
If your expression mean: 4+29sin(x)=12cos^2(x) then go on: wolframalpha dot com When page be open in rectangle type: solve 4+29sin(x)=12cos^2(x) and click option = After few seconds when you see result click option: Show steps
December 11, 2011

calc 1
Go on: wolframalpha dot com When page be open in rectangle type: integrate e^(8x)sin(e^(8x)) and click option = After few seconds when you see result click option: Show steps On wolframalpha dot com you can practice any kind of calculus.
December 9, 2011

calculus
Go on: wolframalpha dot com When page be open in rectangle type: integrate (sin(2x))^2cos(2x)dx and click option = After few seconds when you see result click option: Show steps Then in rectangle type: derivative (1/6)sin(2x)^3 click option = and Show steps On wolframalpha dot...
December 8, 2011

Math
In google type: functions graphs online When you see list of results click on: rechneronline.de/function-graphs/ When page be open in blue rectangle type: x^2+3x-10 Set: Range x-axis from -6 to 4 Range y-axis from -13 to 7 and click option: Draw The graph of a quadratic ...
December 7, 2011

calculus
Go on: wolframalpha dot com When page be open in rectangle type: integrate (6x+7)/(x^2-8x+25) and click option = After few seconds when you see result click option: Show steps On wolframalpha dot com you can practice any kind of calculus.
November 29, 2011

Math
In google type: quadratic equation online When you see list of results click on: Free Online Quadratic Equation Solver:Solve by Quadratic Formula When page be open in rectangle type: 2x^2+8x=-5 and click option: solve it! You wil see solution step-by-step
November 27, 2011

MATH
Go on: wolframalpha dot com When page be open in rectangle type: integrate (x^2+1)^2 and click option = After few seconds when you see result click option: Show steps On wolframalpha dot com you can practice any kind of calculus.
November 26, 2011

Algebra
Go on: wolframalpha dot com When page be open in rectangle type: -4^2+44x-160=0 and click option = After few seconds you will see graph,and solution .
November 22, 2011

math
In google type: quadratic equation online When you see list of results click on: Free Online Quadratic Equation Solver:Solve by Quadratic Formula When page be open in rectangle type: x^2+18x+4=0 and click option: solve it! You wil see solution step-by-step.
November 22, 2011

calculus
Go on: wolframalpha dot com When page be open in rectangle type: x^3 - 12x^2 + 36x and click option = After few seconds you will see everything about that function.
November 21, 2011

algerbra
2 x + 7 < x + 6 2 x - x < 6 - 7 x < -1
November 21, 2011

math
On your computer you have calculator: start -> Programs -> Accessories -> Calculator When you open Calculator click: View then Sceintific
November 19, 2011

Calculus
Go on: wolframalpha dot com When page be open in rectangle type: integrate dx/sqrt(9-8x-x^2) and click option = After few seconds when you see result click option: Show steps
November 19, 2011

Calculus
Go on: wolframalpha dot com When page be open in rectangle type: integrate sin(4x) cos^2(4x) dx and click option = After few seconds when you see result click option: Show steps On wolframalpha dot com you can practice any kind of calculus.
November 19, 2011

Math
5 / 8 = 3 5 / 3 8 = 15 / 24 5 / 6 = 4 5 / 4 6 = 20 / 24 5 / 8 + 5 / 6 = 15 / 24 + 20 / 24 = 35 / 24 = ( 24 + 11 ) / 24 = 1 + 11 / 24 = 1 11 / 24 Correct. 13 1 / 2 = 13 6 / 6 + 3 / 6 = 78 / 6 + 3 / 6 = 81 / 6 7 2 / 3 = 7 6 / 6 + 4 / 6 = 42 / 6 + 4 / 6 = 46 / 6 13 1 / 2 + 7 2 / ...
November 18, 2011

Alg. II
1. 4 x - 8 = 4 ( x - 2 ) x ^ 2 - 2 x = x ( x - 2 ) (4 x - 8 ) / ( x ^ 2 - 2 x ) = 4 ( x - 2 ) / [ x ( x - 2 ) ] = 4 / x 2. ( 8 x - 4 ) = 4 ( 2 x - 1 ) 2 x ^ 2 + 9 x - 5 = 2 x ^ 2 + 9 x - 5 + x - x = ( 2 x ^ 2 - x ) + ( 10 x - 5 ) = x ( 2 x - 1 ) + 5 ( 2 x - 1 ) = ( 2 x - 1...
November 17, 2011

Geometry
A x-intercept is a point on the graph where y is zero. 4 x - 6 y = 12 for y = 0 4 x - 0 = 12 4 x = 12 Divide both sides with 4 x = 3 x-intercept = 3
November 15, 2011

geometry
W = Width L = Length A = Area W = L - 6 A = W * L 135 =( L - 6 ) * L 135 = L ^ 2 - 6 L The exact solution are : L = - 9 cm and L = 15 cm The length can't be negative so: L = 15 cm W = L - 6 W = 15 - 6 = 9 cm A = W * L = 15 * 9 = 135 cm ^ 2 P. S. If you don't know how ...
November 15, 2011

MATH
1. 5 / 8 = ( 3 * 5 ) / ( 3 * 8 ) = 15 / 24 5 / 6 = ( 4 * 5 ) / ( 4 * 6 ) = 20 / 24 5 / 8 + 5 / 6 = 15 / 24 + 20 / 24 = 35 / 24 = ( 24 + 11 ) / 24 = 1 11 / 24 2. 2 3 / 5 + 4 4 / 5 = 2 + 4 + 3 / 5 + 4 / 5 = 6 + 7 / 5 = 6 + ( 5 + 2 ) / 5 = 6 + 1 + 2 / 5 = 7 2 / 5 3. 1 / 2 = 3 / 6...
November 15, 2011

algebra the slope- intercept form
If the equation of the line is given in the form : y = m x + b then m is the slope. In this case slope = 1 A y-intercept is a point on the graph where x is zero. y = x - 7 for x = 0 y = 0 - 7 y = - 7 y-intercept = - 7 For graph : Go on: wolframalpha dot com When page be open ...
November 15, 2011

polynomial function
p( - 4 )= 4 * ( - 4 ) ^ 3 - 3 * ( - 4 ) - 4 = 4 * ( - 64 ) + 3 * 4 - 4 = -256 + 12 - 4 = - 248 p( 1 / 4 )= 4 * ( 1 / 4 ) ^ 3 - 3 * ( 1 / 4 ) - 4 = 4 * 1 / 64 - 3 / 4 - 4 = 4 / ( 4 * 16 ) - 3 / 4 - 4 = 1 / 16 - ( 3 * 4 ) / ( 4 * 4 ) - ( 4 * 16 / 16 ) = 1 / 16 - 12 / 16 - 64 / ...
November 14, 2011

Math
Take the input , divide it by 2 and then add 4. ( 12 / 2 ) + 4 = 6 + 4 = 10 ( ? / 2 ) + 4 = 16 Mulitiply both sides with 2 ? + 8 = 32 ? = 32 - 8 = 24 ( 32 / 2 ) + 4 = 16 + 4 = 20 ( 62 / 2 ) + 4 = 31 + 4 = 35 ( 70 / 2 ) + 4 = 35 + 4 = 39 ( 86 / 2 ) + 4 = 43 + 4 = 47 So, the ...
November 14, 2011

algebra
1.9 s + 6 = 3.1 - s 1.9 s + s = 3.1 - 6 2.9 s = - 2.9 Divide both sides with 2.9 s = - 1
November 14, 2011

Math
In google type: quadratic equation online When you see list of results click on: Free Online Quadratic Equation Solver:Solve by Quadratic Formula When page be open in rectangle type: -9v^2+35v-30=1-v and click option: solve it! You wil see solution step-by-step.
November 14, 2011

Math
3 ( x + 4 ) ^ 2 = - 27 Divide both sides with 3 ( x + 4 ) ^ 2 = - 9 The left hand side is a perfect square,so you can apply the square root method : x + 4 = + OR - sqrt ( - 9 ) x = + OR - sqrt ( - 9 )- 4 ( Remark: sqrt ( - 9 ) = sqrt ( - 1 * 3 ^ 2 ) = + OR - 3i where i = ...
November 14, 2011

Calculus
Go on: wolframalpha dot com When page be open in rectangle type: derivative ln(x^2/2x-3) and click option = After few seconds when you see result click option: Show steps On wolframalpha dot com you can practice any kind of calculus.
November 7, 2011

algebra
The equation of any straight line, called a linear equation, can be written as: y = m x + b where : m is the slope of the line and b is the y-intercept In this case: m = - 8 / 11 y-intercept = - 5
November 7, 2011

algebra
-7 ( 11 - 4w ) - 15 w = -27- ( 50 - 13 w ) = - 7 * 11 + 28 w - 15 w = - 27 - 50 + 13 w ( Remark : -7 * - 4 w = 28 w - ( -13 w ) = 13 w ) -77 + 28 w - 15 w = - 27 - 50 + 13 w 28 w - 15 w - 13 w = - 27 - 50 + 77 0 = - 77 + 77 0 = 0 All values of w are solutions.
November 7, 2011

Algebra 2
P = Perimeter L = Length W = Width P = 2 L + 2 W P = 2 ( L + W ) P = 122 m L = 5 W - 11 122 = 2 ( 5 W - 11 + W ) 122 = 2 ( 6 W - 11 ) 122 = 12 W - 22 122 + 22 = 12 W 12 W = 144 Diwidw both sides with 12 W = 144 / 12 W = 12 m L = 5 W - 11 L = 5 * 12 - 11 L = 60 - 11 L = 49 m P...
November 5, 2011

Math 111
a x ^ 4 + b x ^ 3 + c x ^ 2 + d x + e = a ( x - x1 ) * ( x - x2 ) * ( x - x3 ) * ( x - x4 ) In your case: a = 1 So: x ^ 4 + b x ^ 3 + c x ^ 2 + d x + e = ( x - ( - 6 ) ) * ( x - ( - 3 ) ) * ( x - 2 ) * ( x - 6 ) = ( x + 6 ) * ( x + 3 ) * ( x - 2 ) * ( x - 6 ) = x ^ 4 + x ^ 3...
November 5, 2011

maths
y = x - 2 y ^ 2 + x ^ 2 =10 ( x - 2 ) ^ 2 + x ^ 2 = 10 x ^ 2 - 2 * 2 x + 2 ^ 2 + x ^ 2 = 10 2 x ^ 2 - 4 x + 4 = 10 2 x ^ 2 - 4 x + 4 - 10 = 0 2 x ^ 2 - 4 x - 6 = 0 If you don't know how to solve this equation in google type: quadratic equation online When you see list of ...
November 3, 2011

Math C30
Go on: wolframalpha dot com When page be open in rectangle type: solve 2cos^2x=1 and click option = After few seconds when you see result click option: Show steps
November 2, 2011

math
7 - 4w <= 19 -4w <= 19 - 7 -4w <= 12 Divide both sides with -4 ( Remark: When you multiply or divide an inequality by a negative number, you must reverse the inequality symbol. ) w >= -3
November 2, 2011

alegbra 1
The equation of a straight line is : y = mx + b m = Slope b = the Y Intercept y = - 1 / 3 x - 3 Slope = - 1 / 3 Y Intercept = - 3
October 27, 2011

algebra
L = Lenght W = Width P = Perimeter P = 64 m W = 4 + L / 3 P = 2 * ( W + L ) = 64 m 64 = 2 * ( 4 + L / 3 + L ) Divide both sides with 2 32 = 4 + L / 3 + L 32 - 4 = L / 3 + L 28 = 4 L / 3 Multiply both sides with 3 28 * 3 = 4 L 84 = 4 L Divide both sides with 4 84 / 4 = L L = 21...
October 27, 2011

Calculus
Go on: wolframalpha dot com When page be open in rectangle type: derivative -3x((x+1)^1/2) and click option = After few seconds when you see result click option: Show steps On wolframalpha dot com you can practice any kind of calculus.
October 26, 2011

Math
6 + ( 4 x 3 ) x 2 = 30 6 + 12 x 2 = 30 6 + 24 = 30
October 25, 2011

Pre Calculus
1 - ln ( 3 x + 2 ) = 0 1 = ln ( 3 x + 2 ) Cancel logarithms by taking exp of both sides: e = 3 x + 2 3 x + 2 = e 3 x = e - 2 Divide both sides with 3 x = ( e - 2 ) / 3
October 21, 2011

math
a = first side b = second side A = Area b = a + 7 A = a * b A = a * ( a + 7 ) A = a ^ 2 + 7 a a ^ 2 + 7 a = 330 a ^ 2 + 7 a - 330 = 0 The exact solutions are: a = -22 and a = 15 The length can't be negative, so a = 15 m b = a + 7 b = 15 + 7 b = 22 m A = a * b A = 15 * 22 A...
October 20, 2011

Algebra 2
Go on: wolframalpha dot com When page be open in rectangle type: solve 2x^2 - 5bx + 4cx - 10bc = 0 and click option = After few seconds ,when you see results click option: Show steps
October 18, 2011

algebra
The answer of Ms,Sue is wrong. 9 / 10 Y = 36 Multiply both sides with 10 Y 9 = 36 * 10 Y 9 = 360 Y Divide both sides with 9 1 = 40 Y Divide both sides with 40 1 / 40 = Y Y = 1 / 40 Y = 0.025
October 6, 2011

Math
x + 4 y = 4 4 y = 4 - x Divide both sides with 4 y = 1 - x / 4 12 y = 12 - 3 12 y = 9 Divide both sides with 12 y = 9 / 12 y = ( 3 * 3 ) / ( 3 * 4 = y = 3 / 4 In google type : functions graphs online When you see list of results click on : rechneronline.de/function-graphs/ ...
October 6, 2011

Calculus
Go on: wolframalpha dot com When page be open in rectangle type: derivative (6x^3+2x)/(x^2-3x+5) and click option = After few seconds you will see result. Then click option: Show steps
October 2, 2011

calculus
Go on: wolframalpha dot com When page be open in rectangle type: solve e^8x^2-5 = 14 and click option = After few seconds you will see result. Then click option: Show steps
October 2, 2011

math
TODAY
September 30, 2011

College Algebra :(
In google type: functions graphs online When you see list of results click on: rechneronline.de/function-graphs/ When page be open in first rectangle type: 3x In second rectangle type: -2x In third rectangle type: (2/3)*x and click option: Draw Again open: rechneronline.de/...
September 26, 2011

Calculus
An inflection point is a point on a curve at which the second derivative changes sign. You must find point where second derivative = 0 Go on: wolframalpha dot com When page be open in rectangle type: second derivative of -10.61t^(3)+208.808t^(2)-168.202t+9775.234 and click ...
September 22, 2011

algebra
( 55 + 80 + 70 + x ) / 4 <= 65 Multiply both sides with 4 55 + 80 + 70 + x <= 65 * 4 55 + 80 + 70 + x <= 260 x <= 260 - 55 - 80 - 70 x <= 55
September 18, 2011

algebra
4 x + y = 5 y = 5 - 4 x 3 x – 7 y = 27 - 7 y = 27 - 3 x Divide both sides with -7 y = - 27 /7 + 3 x / 7 In google type: functions graphs online When you see list of results click on: rechneronline.de/function-graphs When page be open in blue rectangle type: 5 - 4 x In ...
September 18, 2011

Algebra
First in google type: Cramer's rule 2 equations When you see list of results click on: occc dot edu/maustin/cramers_rule/cramer's%rule.html and read text Then in google type: Cramer's rule 2x2 solver When you see results click on: Solver Using Cramer's Rule to ...
September 16, 2011

Calculus
Go on: wolframalpha dot com When page be open in rectangle type: limit x^4 as 2 After few seconds when you see result click option: Show steps
September 16, 2011

math
Correction: ( -9h + 12h ) + ( - 6 + 40 ) = 22
September 15, 2011

math
-9h - 6 + 12h + 40 = 22 ( -9h + 12h ) - ( 6 + 40 ) = 22 3h + 34 = 22 3h = 22 -34 3h = - 12 Divide both sides with 3 h = -4
September 15, 2011

Maths
In google type: monthly payment definition You will find many sites with definition
September 14, 2011

geometry
The "point-slope" form of the equation of a straight line is: y - y1 = m ( x - x1 ) (x1, y1) is a known point m is the slope of the line (x, y) is any other point on the line In this case: m = 5 / 3 , x1 = 57 , y1 = 12 y - 12 = ( 5 / 3 ) (x - 57 ) y = (5 x / 3 ) - ( ...
September 13, 2011

algebra
Go on wolframalpha dot com When page be open in rectangle type: solve 5/(2x+1)^2 - 3/(2x+1)=2 After few seconds when you see results click option: Show steps
September 12, 2011

math 116
Go on wolframalpha dot com When page be open in rectangle type: solve (Correct expression of your function) After few seconds when you see results click option: Show steps
September 11, 2011

math 116
8x 4=4x 7 What this mean? 8 x + 4 = 4x + 7 8 x + 4 = 4x - 7 8 x ^ 4 = 4x ^ 7 Or what?
September 11, 2011

math 116
8 x + 4 = 4x 7
September 11, 2011

calculus
Go on wolframalpha dot com When page be open in rectangle type: limit 3x/(sin2x) as x->0 and click option: = After few seconds when you see result click option: Show steps
September 11, 2011

Math(Please check! Thank you!!)
568 cm = 568 / 100 = 568 * 0.01 = 5.68 m
September 11, 2011

Math(Please check! Thank you!!)
1) 1 kg = 1000 g 3.68 kg = 3.68 * 1000 = 3680 g 2) 1 m = 100 cm 1 cm = 1 / 100 = 0.01 m 568 cm = 568 / 100 = 5.68 * 0.01 = 5.68 m You can check this. In google type: unit converter You will find many sites for units convertion.
September 11, 2011

algebra
babygirl Can you solve any mathematical question,or you think that somebody on this site will working all your homeworks?
September 9, 2011

math
This is the square numbers. 1 ^ 2 = 1 2 ^ 2 = 4 3 ^ 2 = 9 4 ^ 2 = 16 5 ^ 2 = 25 6 ^ 2 = 36 7 ^ 2 = 49 8 ^ 2 = 64 Now put hyphens between EVERY digit: 1-4-9-1-6-2-5-3-6-4-9-6-4
September 7, 2011

math
C = 2 r pi 6 pi = 2 r pi Diwide both sides with 2 pi 3 = r r = 3 yd A = r ^ 2 pi A = 3 ^2 pi A = 9 pi yd ^ 2 For more information in google type: wikipeda circle
September 7, 2011

Pre-Calc-Please check my answer-I think I have it
In google type: quadratic equation online When you see list of results click on: Free Online Quadratic Equation Solver:Solve by Quadratic Formula When page be open in rectangle type: 2x^2 + 5x = 10 and click option: solve it! You wil see solution step-by-step.
September 7, 2011

Algebra
3x + y = -8 y = -8 -3x 2x - y = 11 y= 2x - 11
September 7, 2011

Pre-Calc-Please check my answer-I think its correc
In google type: quadratic equation online When you see list of results click on: Free Online Quadratic Equation Solver:Solve by Quadratic Formula When page be open in rectangle type: 2x^2 + 5x = 10 and click option: solve it! You wil see solution step-by-step.
September 7, 2011

Calculus :)
Go on site: wolframalpha dot com When page be open in rectangle type: integrate 53dx/(x^2sqrt(x^2+4)) and click option = After few seconds when you see results click option: Show steps
September 7, 2011

Calculus
Go on: wolframalpha dot com When page be open in rectangle type: limit ((sqrt(x+4))-2)/x as x 0 and click option = After few seconds when you see result click option: Show steps If you dont know find derivative of(-2 +sqrt(x+4)) in wolframalpha type: derivative (-2 +sqrt(x+4...
September 6, 2011

pre calculus
In google type: functions graphs online When you see results click on: rechneronline.de/function-graphs/ When page be open in blue rectangle type: x^3+3x^2-5x-7 Then set: Range y-axis from -20 to 20 and click option: Draw
September 6, 2011

college algebra
10 1/2 = ( 20 / 2 ) +( 1 / 2 ) = 21 /2 42 = 84 / 2 42 / ( 10 1/2) = ( 84 / 2 ) / ( 21 / 2 ) = 84 / 21 = 4
September 4, 2011

college algebra
S = C + RC S = C * ( 1 + R ) Divide both sides with ( 1 + R ) S / ( 1 + R ) = C C = S / ( 1 + R )
September 4, 2011

Calculus
Go to: wolfram alpha dot com When page be open in rectangle type: integrate x^9*(sin(x^5)) and click option = When you see result click option: Show steps
September 4, 2011

Math
x^13 = j Divide both sides with x x^13 / x = j / x ( Remark: x^13 / x = x^12 ) x^12 = j / x x^12 = 4 / 9 j / x = 4 / 9 Multiply both sides with 9 9 j / x = 4 Multiply both sides with x 9 j = 4x Divide both sides with 4 9 j / 4 = x x = 9 j / 4 x = ( 9 / 4 ) j
September 4, 2011

math
In google type: inequalities and negative numbers You will find couple sites. mathforum is good. 1. -2 x - 10 < 2 -2 x < 2 + 10 -2 x < 12 Divide both sides with -2 x > 12 / - 2 x > - 6 2. -2x + 15 < 17 -2 x < 17 - 15 -2 x < 2 Divide both sides with -2 x...
September 4, 2011

Precalculus
In google type: Write the rectangular equation (x+7)^+y^=49 in polar form When you see list of results click on: winpossible dot com
September 3, 2011

math ap
( 5 + 7 ) - ( 9 + 2 ) = 12 - 11 = 1 cm Put the 7cm and 5 cm rods together = 12 cm Put the 9cm and 2cm rods together = 11 cm Difference between is 1cm thus, you can use that difference to measure 1 cm.
September 1, 2011

calculus
cos ( x ) = + OR - 1 /sqrt ( 1 + tan ^2 (x) )
September 1, 2011

calculus
sin ( x ) = + OR / [ tan (x) /sqrt ( 1 + tan ^2 (x)] sin ( x ) = + OR - [ 4/ sqrt ( 1 + 4 ^2 ) ] sin ( x ) = + OR - m4/ sqrt ( 1 + 16 ) sin ( x ) = + OR - 4/ sqrt ( 17) cos ( x ) = + OR / 1 /sqrt ( 1 + tan ^2 (x) cos( x ) = + OR - 1 / sqrt ( 17) If you want all trigonometric ...
September 1, 2011

math
For: y=x Technically there is no tangent line to a straight line because the definition of tangent means a line a touching at one point. Answer is: x^2 and x^3
August 31, 2011

Math
( 5 + 7 ) - ( 9 + 2 ) = 12 - 11 = 1cm
August 30, 2011

algrebra
3x + 9 - 8x + 6 = 62/3 Multipy both sides with 3 9x + 27 - 24x + 18 = 62 9x - 24x = 62 - 27 - 18 -15x = 17 Divide both sides with -15 x= -17/15
August 23, 2011

math
y = ( -4 / 3 ) * x + 1 for x = -6 y = ( -4 / 3 ) * (-6) + 1 y = 24 / 3 + 1 y = 8 + 1 y = 9 for x = -3 y = ( -4 / 3 ) * (-3) + 1 y = 12 / 3 + 1 y = 4 + 1 y = 5 for x = 6 y = ( -4 / 3 ) * 6 + 1 y = -24 / 3 + 1 y = -8 + 1 y = -7 Remark: * is symbol for multiply
August 22, 2011

math
In google type: arithmetic mean geometric mean real life You will find many sites with examples.
August 22, 2011

math
-2x(3y-2xy) = -2x*3y -2x *( -2xy )= -6xy + 4 x^2*y
August 21, 2011

Maths
ð = pi
August 21, 2011

Maths
r1= first radius r2= second radius r1+r2=14 r2=14-r1 The sum of circles areas is: r1^2 * ð + r2^2 * ð = 130ð ð * ( r1^2 + r2^2 ) = 130ð Divide both sides with ð ( r1^2 + r2^2 ) = 130 r1^2 + ( 14 - r1 )^2 = 130 r1^2 + 14^2 - 2 * r1 *14 + r1^2 = 130 r1^2...
August 21, 2011

Math
In google type: quadratic equation online When you see list of result click on: Free Online Quadratic Equation Solver:Solve by Quadratic Formula When page be open in rectangle type: (x^2)+3x-4=14 and cilck option: solve it! You will see solutions step-by step.
August 19, 2011

trig
In google type: Graphs of the trigonometric functions You will find many sites with graph of y=sin(x) or y=sin(theta) sin(theta)=0 for: theta=0 theta= pi radians or theta=180° and theta= 2pi radians or theta=360°
August 18, 2011

Calculus :)
Go on : wolframalpha dot com When page be open in rectangle type: derivative x^y=y^x and click option = When you see result click option: Show steps
August 17, 2011

algebra
In google type: functions graphs online When you see list of results click on: rechneronline.de/function-graphs/ When page be open in blue rectangle type: x+9 Then in Range x-axis from type -10 to 10 In Range y-axis from also type -10 to 10 and click option Draw
August 12, 2011

math 1012
239 cm = 2.39 m
August 4, 2011

math 1012
1 m = 100 cm 2 m = 200 cm 39 cm + 2 m = 39 + 200 = 239 cm
August 4, 2011

math
7(ac + 2b) + 2ac = 7ac + 2*7b + 2ac= 9ac + 14b
August 3, 2011

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