Wednesday
May 4, 2016

# Posts by Bosnian

Total # Posts: 2,106

maths
5 + 3 cosec ^ 2 (theta) = 8 3 cosec ^ 2 (theta) = 8 - 5 3 cosec ^ 2 (theta) = 3 Divide both sides by 3 cosec ^ 2 (theta) = 3 / 3 cosec ^ 2 (theta) = 1 cosec (theta) = sqrt ( 1 ) cosec (theta) = + OR - 1 cosec ( theta ) = 1 / sin ( theta ) sin ( theta ) = 1 / cosec ( theta ) ...
February 27, 2012

arithmetic
An arithmetic progression (A.P) or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. If the initial term of an arithmetic progression is a1 and the common difference of successive members is d, then the nth term of...
February 27, 2012

math
2. x = 2 y = 3 translated to ( 7 , - 1 ) 7 - 2 = 5 - 1 - 3 = - 4 a) translate right 5 , down 4 3. x = - 5 y = - 8 When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite. c ) ( 5 , -8 )
February 27, 2012

Algebra; MAJOR HELP
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: s ^ 2 - 7 s + 14 = 2 and click option: solve it! You wil see solution step-by-step
February 26, 2012

math
There are b boys an g girls in the class b / g = 8 / 17 Multiply both sides by g b = 8 g / 17 b + g = 375 8 g / 17 + g = 375 8 g / 17 + 17 g / 17 = 375 25 g / 17 = 375 Multiply both sides by 17 25 g = 375 * 17 25 g = 6375 Divide both sides by 25 g = 6375 / 25 g = 255 b = 375...
February 26, 2012

Math Help
5 / 22 t = 2 * 5 / ( 2 * 22 ) t = 10 / 44 t 2 / 4 t = 2 * 11 / ( 4 * 11 ) t = 22 / 44 t 5 / 22 t + 2 / 4 t = 10 / 44 t + 22 / 44 t = 32 / 44 t = ( 4 * 8 ) / ( 4 * 11 ) t = 8 / 11 t
February 26, 2012

Math
You must solve two quadratic equations. 0.02 s ^ 2 + 1.1 s = 51 and 0.02 s ^ 2 + 1.1 s = 315.12 If you dont know how solve equations in google type: quadratic equation online When you see list of results click on: Free Online Quadratic Equation Solver:Solve by Quadratic ...
February 25, 2012

Algebra; HELP
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: 3x^2+18x+24=0 and click option: solve it! You wil see solution step-by-step
February 23, 2012

x = - 1 8 ^ - 1 = 1 / 8 x = - 2 8 ^ - 2 = 1 / 8 ^ 2 = 1 / 64 x = - 3 8 ^ - 3 = 1 / 8 ^ 3 = 1 / 512
February 23, 2012

f ( x ) = 8 ^ x x = 0 8 ^ 0 = 1 x = 1 8 ^ 1 = 8 x = 2 8 ^ 2 = 64 x = 3 8 ^ 3 = 512
February 23, 2012

Math
( - 2 q ^ 2 + q + 3 ) - 5 ( q ^ 2 + 2 q - 1 ) = - 7 q ^ 2 - 9 q + 8
February 22, 2012

Math
a ) ( 4 d - 6 )( - 3 d ) = 4 d * ( - 3 d ) - 6 * ( - 3 d ) = - 12 d ^ 2 + 18 d b ) 5 g ( g ^ 2 - 2 g + 1 ) = 5 g * g ^ 2 - 5 g * 2 g + 5 g * 1 = 5 g ^ 3 - 10 g ^ 2 + 5 g c ) ( - 2 q ^ 2 + q + 3 ) - 5 ( q ^ 2 + 2 q - 1 ) = - 2 q ^ 2 + q + 3 - 5 q ^ 2 - 10 q + 5 = - 2 q ^ 2 - 5 ...
February 22, 2012

pre-cal
log ( a ^ n ) = n * log ( a ) ( 2 x - 1 ) * log ( 4 ) = log ( 6 ) Divide both sides by log ( 4 ) 2 x - 1 = log ( 6 ) / log ( 4 ) 2 x = log ( 6 ) / log ( 4 ) + 1 2 x = log ( 6 ) / log ( 4 ) + log ( 4 ) / log ( 4 ) 2 x = [ log ( 6 ) + log ( 4 ) ] / log 4 2 x = log ( 24 ) / log...
February 19, 2012

arithmetic
6 ( x - 6 ) + 2 = 8 ( x + 2 ) - 8 6 * x + 6 * ( - 6 ) + 2 = 8 * x + 8 * 2 - 8 6 x - 36 + 2 = 8 x + 16 - 8 6 x - 34 = 8 x + 8 6 x - 8 x = 8 + 34 - 2 x = 42 Divide both sides by - 2 x = 42 / ( - 2 ) x = - 21
February 19, 2012

math
In google type : csc20° − cot 40° When you see list of result click on : What is csc(20) - cot(40)? or csc(pi/9) - cot(2pi/9) You will see solution step by step.
February 16, 2012

math
8 / 12 = 4 * 2 / (4 * 3 ) = 2 / 3 hours / lawnmower 30 * 2 / 3 = 60 / 3 = 20 hours OR 8 / 12 = x / 30 8 * 30 = 12 * x 240 = 12 x Divide both sides by 12 240 / 12 = x 20 = x x = 20 hours OR 30 / 12 = 2.5 2.5 * 8 = 20 hours
February 15, 2012

Math
3 k / 4 - 28 - 2 k / 3 = 37 Multiply both sides by 4 ( 3 k / 4 ) * 4 - 28 * 4 - 2 k * 4 / 3 = 37 * 4 3 k - 112 - 8 k / 3 = 148 Multiply both sides by 3 3 k * 3 - 112 * 3 - ( 8 k / 3 ) * 3 = 148 * 3 9 k - 336 - 8 k = 444 9 k - 8 k = 444 + 336 k = 780
February 15, 2012

If your expressions mean : x ^ 2 - 9 x = 0 x ^ 2 +8 x = 0 x ^ 2 = 6 x x ^ 2 = - 3 x Then 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 your ...
February 15, 2012

Algebra 2
The term b ^ 2 - 4 a c is called the discriminant and gives important information about the number and nature of the solutions to the quadratic equation to be solved. Three cases are possible: If D > 0, the equation has 2 real solutions. If D = 0, the equation has 1 real ...
February 15, 2012

algebra
w = the number of WHITE ribbions
February 14, 2012

algebra
b = the number of blue ribbions w = the number of blue ribbions r = the number of red ribbions b = w - 2 r = w + 3 w + b + r = 43 w + w - 2 + w + 3 = 43 3 w - 2 + 3 = 43 3 w + 1 = 43 3 w = 43 - 1 3 w = 42 Divide both sides by 3 w = 42 / 3 w = 14 b = w - 2 = 14 - 2 = 12 r = w...
February 14, 2012

Algebra
a = age of the twins b = age of the third child b = a - 3 a + a + b = 42 2 a + b = 42 2 a + a - 3 = 42 3 a - 3 = 42 3 a = 42 + 3 3 a = 45 Divide both sides by 3 a = 45 / 3 a = 15 b = 15 - 3 b = 12
February 14, 2012

math
x = The number of sweets in container x y = The number of sweets in Container y x = 24 + y OR y = x - 24 When you removed 42 sweets from container x then numers of sweets in container x became: x - 42 Numbers of sweets in container y became: y + 42 = thrice of ( x - 42 ) = 3...
February 13, 2012

Math
4 / 5 - 2 p / 5 = 6 / 5 Multiply both sides by 5 4 - 2 p = 6 - 2 p = 6 - 4 - 2 p = 2 Divide both sides by -2 p = 2 / ( - 2 ) p = - 1
February 11, 2012

Math
a x ^ 2 + b x + c = 0
February 11, 2012

Math
My answer is also numbers of girls g = 25
February 11, 2012

Math
b = numbers of boys g = numbers of girls Ratio of boys to girls: b / g = 3 / 5 Multiply both sides by 5 5 b / g = 3 Multiply both sides by g 5 b = 3 g Divide both sides by 5 b = 3 g / 5 After adding ratio is : ( b + 5 ) / ( g + 3 ) = 5 / 7 [ ( 3 g / 5 ) + 5 ] / ( g + 3 ) = 5...
February 11, 2012

trig
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: 1/2cos(x) And click option: Draw then type : 2cos(x)+1 OR 2cos (x+1) And click option: Draw etc. You must write correct ...
February 10, 2012

math for elementry school teacher
x =original number Mathematical operations: Add 10 : x + 10 Multiply the result by 4 : ( x + 10 ) * 4 Add 200 : ( x + 10 ) * 4 + 200 Divide by 4 : [ ( x + 10 ) * 4 + 200 ] / 4 Subtract your original number : [ ( ( x + 10 ) * 4 + 200 ) / 4] - x Equation is: [ ( ( x + 10 ) * 4...
February 9, 2012

Trig
pi < x < 3 pi / 2 180 ° < x < 270 ° That is Quadran III In Quadran III cosine are negative. cos ( x ) = + OR - 1 /sqrt [ 1 + tan( x ) ^ 2 ] In this case : cos ( x ) = - 1 / sqrt [ 1 + tan( x ) ^ 2 ] cos ( x ) = - 1 / sqrt [ 1 + ( 9 / 4 ) ^ 2 ] cos ( x...
February 8, 2012

Math
A perfect square is any rational number that is the square of another rational number. 1 ^ 2 = 1 2 ^ 2 = 4 5 ^ 2 = 25 6 ^ 2 = 36 7 ^ 2 = 49 etc. Your series is a perfect square with negative odd numbers. The next 3 numbers are : - 25 , 36 , - 49
February 7, 2012

Trig
In Quadrant III sin ( theta ) , cos ( theta ) , sec ( theta ) and csc( theta ) are negative. tan ( theta ) = sin ( theta ) / cos ( theta ) are positive. tan ( theta ) = + OR -1 / sqrt [ csc ( theta ) ^ 2 - 1 ] tan ( theta ) = + OR -1 / sqrt [ ( -2 ) ^ 2 - 1 ] tan ( theta...
February 7, 2012

math
In google type: calculatorsoup calculators fractionsorder When you see list of results click on: Ordering Fraction Calculator-Calculator Soup When page be open in rectangle type you are fractions separated wit comma and click option: Calculate You will see answers with ...
February 7, 2012

I NEED HELP (ALGEBRA)
( 8 x ) ^ 3 * 8 ^ ( -4 ) = 8 ^ 3 * x ^ 3 / 8 ^ 4 = 8 ^ 3 * x ^ 3 / ( 8 ^ 3 * 8 ) = [ ( 8 ^ 3 ) / ( 8 ^ 3 ) ] * ( x ^ 3 / 8 ) = x ^ 3 / 8 2 x ^ ( - 5 ) * y ^ ( - 3 ) = 2 / ( x ^ 5 * y ^ 3 ) [ (4 x ^ 4 y ^ ( - 3) ] ^ ( - 2 ) = [ ( 4 x ^ 4 / y ^ 3 ) ] ^ ( - 2 ) = 1 / ( 4 x ^ 4 / ...
February 2, 2012

Trig
tan ( x ) = sin ( x ) / cos ( x ) tan ( x ) + sin ( x ) = sin ( x ) / cos ( x ) + sin ( x ) = sin ( x ) * [ 1 / cos ( x ) + 1 ] = sin ( x ) * [ sec ( x ) + 1 ] = sin ( x ) * [ 1 + sec ( x )] [ 1 + sec ( x ) ] / [ tan ( x ) + sin ( x ) ] = [ 1 + sec ( x ) ] / [ sin ( x ) * [ 1...
January 31, 2012

calculus
Go on: wolframalpha dot com When page be open in rectangle type: limit sin(8 theta) / theta as theta->0 OR limit sin(8 theta) / theta as theta->infinity OR limit sin(8 theta) / theta as theta->-infinity and click option = After few seconds when you see result click ...
January 31, 2012

college algebra
log = natural logarithm log ( a ^ n ) = n * log ( a ) If your expression mean : e ^ ( 0.05 t ) = 1600 then : 0.05 t * log ( e ) = log ( 1600 ) Remark : The natural logarithm of e = 1 0.05 t = log ( 1600 ) Divide both sides by 0.05 t = log ( 1600 ) / 0.05 Remark : 1 / 0.05 = 20...
January 31, 2012

Precalculus
No it isn't. The correct answer is x = 0 6 ^ ( x + 3 ) = 6 ^ ( 0 + 3 ) = 6 ^ 3 = 216 6 ^ x = 6 ^ 0 = 1 216 - 1 = 215
January 29, 2012

Integral Calculus
Go on: wolframalpha dot com When page be open in rectangle type: integrate (5y+4) dy/ã5y-1 and click option = After few seconds when you see result click option: Show steps
January 28, 2012

math-calculus
| x ^ 2 - 2 x - 6 |= 4 Eliminate the absolute value : x ^ 2 - 2 x - 6 = 4 OR x ^ 2 - 2 x - 6 = - 4 Your must solve both equations. In google type: quadratic equation online When you see list of results click on: Free Online Quadratic Equation Solver:Solve by Quadratic Formula ...
January 18, 2012

math
100% = 100 / 100 = 1 10 % = 10 / 100 = 0.1 100% + 10 % = 1 + 0.1 = 1.1 A = Original Area A1 = New Area Original Area: A = W * L = 450 m ^ 2 New Area: A1 = 1.1 * W * 1.1 * L A1 = 1.1 * 1.1 * W * L ( Remark: W * L = A ) A1 = 1.21 * A A1 = 1.21 * 450 = 544.5 m ^ 2
January 8, 2012

algebra
1. All parts must be great of 0 less numbe is 11 solution x > 11 2. 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-x=-7 and click ...
December 31, 2011

calculus
Go on: wolframalpha dot com When page be open in rectangle type: integrate cos^3(2x-5)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.
December 25, 2011

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

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