Wednesday
September 24, 2014

Posts by Bosnian


Total # Posts: 1,716

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

Mathematics
1/3 of 2x = 2x / 3 2x/3 = 5 Multiply both sides with 3 2x = 3 * 5 2x = 15 Divide both sides with 2 x = 15 / 2 4x = 4 * 15 / 2 4x = 60 / 2 4x = 30 2/3 * 30 = 60 / 3 = 20
August 2, 2011

math\
36 % = 36 /100 36 % of fifty = (36/100)*50 = 36*50 /100 = 1800 /100 = 18
August 2, 2011

Math
In google type: circumference of a circle When you see list of results go on wikipedia. C = circumference d = diameter C = d*pi C = 21*3.14159 C = 65.97339 in
July 29, 2011

math
(1/2)*(2/2)= 2/4 2/4 is less of 3/4 1/2 is less of 3/4
July 25, 2011

algebra
(a-b)^2 = a^2 - 2ab + b^2 (y-8)^2 = y^2 - 2*y*8 + 8^2 (y-8)^2 = y^2 - 16y + 64
July 19, 2011

algebra
When page be open click: 2a^2-3a=-5 Then option: Solve by Factoring(includes Factoring by Grouping) and cilck option: solve it!
July 19, 2011

algebra
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: 2a^2-3a=-5 (Exactly in this form) Then click option: 2a^2-3a=-5 and cilck option: solve it! You...
July 19, 2011

math
For x= -6 y=(7/6)*(-6)+1= -7+1= -6 For x=0 y=(7/6)*0+1= 0+1=1 For x=6 y=(7/6)*(6)+1=7+1=8 For graph go on: rechneronline.de/function-graphs When page be open in blue rectangle type: (7/6)*x+1 Then type: Range x-axis from -10 to 10 Range y-axis from -10 to 10 and click option: ...
July 19, 2011

math
rechneronline.de/function-graphs/ IN BLUE RECTANGLE TYPE: (x+4)^2+4
July 14, 2011

math
Some quadratics can be factored into two identical binomials. These quadratics are called perfect square trinomials. Perfect square trinomials can be factored as follows: a^2+2ab+b^2=(a+b)^2 OR a^2-2ab+b^2=(a-b)^2 In this case: a=1 2ab=8 2*1*b=8 2b=8 Diwide both sides with 2 b...
July 14, 2011

math
L=Lenght W=Width D=Depth V=Volume V=W*L*D W*L=A A=Area of a pool V=A*D Diwide with A V/A=D D=V/A In this case: A=L*W A=22*40 A=880 ft^2 D=V/A=2500/880= 2.8409 ft
July 10, 2011

integration (calculus)
Go to: wolframalpha dot com When page be open in rectangle type: integrate ((e^-x-1)/(e^-x + x)^2) dx and click option = When you see solution click option: Indefinite integral:Show steps
July 7, 2011

cal
wolframalpha dot com Type: integrate sqrt(x)lnx dx and click option = then: Indefinite integral: Show steps
July 6, 2011

CALCULUS
Go on : wolframalpha dot com When page be open in rectangle type your function. After few seconds you will see all about your function. Then click option: Indefinite integral:Show steps If you click on left down rectangle of this option you can save solution as image.
July 6, 2011

algebra
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: t^2+10t+26=0 and click option: solve it! You will see solution step-by-step
July 6, 2011

algebra
6(x-2)=70 6*x-6*2=70 6x-12=70 6x=70+12 6x=82 Divide with 6 x=82/6 x=(78+4)/6 x=78/6 + 4/6 x=13 + 2/3 x=13.6666666666
July 6, 2011

math
45= 9*5 125= 25*5 6ã45-8ã125=6ã9*5-8ã25*5 ã9= 3 ã25=5 6ã9*5-8ã25*5=6*3*ã5-8*5*ã5=18*ã5-40*ã5= -22ã5 6&...
June 29, 2011

dy/dx
Did You mean: [ln(2x^2-3x)]^4 OR ln[(2x^2-3x)^4] Go to: wolframalpha dot com When page be open in rectangle type your function and click option = After few seconds you will see all about your function. Then click option Derivative:Show steps. When you see steps you click on ...
June 28, 2011

Pre-Calc
In google type: wolfram alpha When you see list of results click on: Wolfram Alpha:Computational Knowledge Engine When page be open in rectangle type: solve x^(4/3)+x^(2/3)=28 and click option = After few seconds you will see solution. Then click option: Show steps
June 23, 2011

calculus
In google type: wolfram alpha When you see list of results click on: Wolfram Alpha:Computational Knowledge Engine When page be open in rectangle type: lim 4-sqrt(x)/x-16 as x->16 and click option = After few seconds you wil see result. Then click option:Show steps
June 22, 2011

the quadratic formula
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: 15t^2+7t=2 and click option: solve it You will see solution step-by step
June 19, 2011

calculus
Proof: x/2 + 6 = x/3 + 1 2 36/2 + 6 = 36/3 + 12 18 + 6 = 12 +12 24 = 24
June 17, 2011

calculus
x/2 + 6 = x/3 + 1 2 x/2 - x/3 = 12 - 6 [ Remark: x/2 = 3x/6 and x/3 = 2x/6 ] 3x/6 - 2x/6 = 6 (3x - 2x)/6 = 6 x/6 = 6 Multiply both sides with 6 x = 36
June 17, 2011

math
Go to: wolframalpha com When page be open in rectangle type: 1/x + 1/y = 1/14 and click option = When you see results couple times click option: More Solutions
June 16, 2011

calculus
In google type: wolfram alpha When you see list of results click on: Wolfram Alpha:Computation Knowledge Engine When page be open in rectangle type: sqrt((6x^2 + 5x + 1)^3) and click option = After few seconds you will see everything about that functions. Then click option: ...
June 14, 2011

derivative
In google type: wolfram alpha When you see list of results click on: Wolfram Alpha:Comutation Knowledge Engine When page be open in rectangle type: 2x^2(3-4x)^2 and click option = After few seconds you will see everything about that function. Then click option Derivative: Show...
June 11, 2011

algebra
go on: calc101 com When page be open click option: long division When page be open in rectangles type your polynoms and clik option DO IT
June 9, 2011

Calculus AB
In google type: wolfram alpha When you see list of results click on: Wolfram Alpha:Computational Knoweledge Engine When page be open in rectangle type: (x^2+5)/(x^3-x^2+x+3) and click option = After few secons you will see all about that function. Now click option: Partial ...
June 5, 2011

Math - Logarithm
(5+x)/(x-2)=2 5+x=2*(x-2) 5+x=2x-4 5+4=2x-x 9=x x=9
June 5, 2011

Math
tan(x/2) = [1 - cos(x)]/sin(x) tan(30°/2)=tan(15°) sin(30°)= 1/2 cos(30°)= sqroot(3)/2 tan(30°/2)=tan(15°)= [1 - cos(30°)]/sin(30°) = (1 - sqroot(3)/2)/(1/2) = 2 - sqroot(3) tan(15°) = 2 - sqroot(3) tan(345°)= -tan(15°) tan(345°...
June 3, 2011

Math
345°=360°-15° tan(A-B)=(tan A - tan B)/(1 - (tan A)*(tan B)) tan(360°)=0 tan(360°-15°)= tan(360°)-tan(15°)/(1-(tan(360°)*(tan(15°)) tan(360°-15°)= 0-tan(15°)/(1-0*(tan(15°)) tan(360°-15°)=tan(345°)= -tan(15&...
June 3, 2011

Trig
Remark: When you see step Simplify trigonometric functions: If we know that: tan^2(x)=sec^2(x)-1 tan^2(x)+sec^2(x)-1=0 becomes: sec^2(x)-1+sec(x)-1=0
June 2, 2011

Trig
In google type: wolfram alpha When you see lis of results click on: Wolfram Alpha:Computational Knowledge Engine When page be open in rectangle type: solve tan^2(x)=1-sec(x) and click option = After few secons you will see result. Then clic option Show steps
June 2, 2011

math
In google type : wolfram alpha When you see list of results click on: Wolfram Alpha: Computation Knowledge Engine When page be open in rectangle type: 4n^2+28n+49 and click option =
May 31, 2011

math
24x^4+24x^3=3x^2 Divide with 3x^2 8x^2+8x=1 8x^2+8x-1=0 If you dont know how to solve this equation in google type: quadratic equation online When you see list of results click on: Free Online Quadratioc Equation Solver:Solve by Quadratic Formula When page be open in rectangle...
May 21, 2011

Math
sqrt(32)=sqrt(2)*sqrt(16)=sqrt(2)*4 sqrt(50)=sqrt(2)*sqrt(25)=sqrt(2)*5 sqrt(128)=sqrt(2)*sqrt(64)=sqrt(2)*8 sqrt(32)-sqrt(50)+sqrt(128)= sqrt(2)*4-sqrt(2)*5+sqrt(2)*8= sqrt(2)*(4-5+8)= sqrt(2)*7 OR 7*sqrt(2)
May 19, 2011

Algebra
Go on this site: rechneronline.de/function-graphs In blue rectangle type your function and click option Draw
May 19, 2011

math
21+(9-7)*(5-4 )= 21 + 2*1 = 23
May 17, 2011

Calculus
In google type: wolfram alpha When you see list of results click on: Wolfram|Alpha;Cputational Knowledge Engine When page be open in rectangle type: (3x^2-28x-3)/(x^3-2x^2-3x) and click = You will see everybody about that expresion. Then click: Partial fraction expansion:Show ...
May 15, 2011

Calculus
If cos^-1(x^2) mean 1/cos(x^2) type cos[x^2]^(-1) If cos^-1(x^2) mean arccos(x^2) type arccos[x^2]
May 13, 2011

Calculus
In google type: calc101 When you see list of results click on first link. When page be open click option derivatives. When that page be open in rectangle type your function and click option DO IT. You will see solution step by step.
May 13, 2011

math
1km=1000m 1m=1/1000 km 5m=5/1000=0.005km
May 12, 2011

algebra 2
sin(2x)=2*sin(x)*cos(x) (1/2)sin(2x)=(1/2)*2*sin(x)*cos(x)=sin(x)*cos(x) (1/2)sin(2x)=sin(x)*cos(x)
May 8, 2011

MATH HELP HELP HELP HELP HELP
In google type: mathematical ciphers You will find something.
May 8, 2011

Algebra
8b+2x=6x-4a 8b+4a=6x-2x 8b+4a=4x 4x=4a+8b Divide with 4 x=a+2b
May 8, 2011

math
a(n+1)=a(n)/2 -5 a1=90 a2=90/2 -5= 45-5= 40 a3=40/2 -5= 20-5= 15 a4=15/2 -5= 7.5-5= 2.5 The next number is 2.5
April 27, 2011

Calculus
In google type calc101 When you see list of results click on: Calc101 com Automatic Calculus,linear Algebra,and Polynomals When page be open click option derivatives When that page be open in rectangle type your function and click option DO IT Type your equtations like that: x...
April 18, 2011

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