Tuesday
October 21, 2014

Posts by Bosnian


Total # Posts: 1,742

math
(2x+3)*(5x-9)=(3x-6)*(5x+3) (2x+3)*(5x-9)=(5x+3)*(3x-6) 10x^2+15x-18x-27=15x^2+9x-30x-18 10x^2-3x-27=15x^2-21x-18 0=15x^2-10x^2+3x-21x+3x-18+27 5x^2-18x+9=0 If you want to know that solutions in google type: quadratic equation online When you see list of results click on: ...
March 5, 2011

math
In google type: calc101 When you see list of resultc click on: Calc101com Automatic Calculus,Linear Algebra and Polynomiasls When page be open clik option: derivatives When this page be open in rectacangle type: 7ln[x] and click options DO IT You will see solution step-by-step...
March 3, 2011

5th grade math
5=(5*5)/5=25/5 3=(3*5)/5=15/5 5 2/5=(25/5)+(2/5)=27/5 3 4/5=(15/5)+(4/5)=19/5 5 2/5-3 4/5=(27/5)-(19/5)=8/5= (5+3)/5=1 3/5 6=(6*10)/10=60/10 3=3*10)/10=30/10 6 1/10=(60/10)+(1/10)=61/10 3 4/10=(30/10)+(4/10)=34/10 6 1/10-3 4/10 =(61/10)-(34/10)=27/10= (20/10)+7/10= 2 7/10 10=(...
March 3, 2011

math
y-28=98 y=98+28 y=126
March 3, 2011

math HELP PLS!
(5*5)-(5/5)=25-1=24
March 3, 2011

math
c-68=78 c=78+68 c=146
March 3, 2011

Math
(1.9*10^4)*(8.4*10^5)= (1.9*8.4)*(10^4*10^5)= 15.96*10^9= 1.596*10*10^9= 1.596*10^10
March 3, 2011

math
2/5=(2*2)/(2*5)=4/10=0.4
March 2, 2011

math
(65*100%)/70=6500%/70=92.85714%
March 2, 2011

Math
Delete: V2/V1=8
March 2, 2011

Math
V1/V2=8
March 2, 2011

Math
Diameter=2*Radius Radius=Diameter/2 Radius of first sphere R1=12 Radius of second sphere R2=D2/2=12/2=6 R1/R2=12/6=2 R1/R2=2 Area of sphere=4*pi*R^2 Area of first sphere A1=4*pi*12^2= 4*pi*(2*6)^2=4*pi*4*6^2 Area of second sphere A2=4*pi*6^2 A1/A2=(4*pi*4*6^2)/(4*pi*6^2)=4 A1/...
March 2, 2011

Math
Sum of angle in triangle=180° 180°=60°+60°+third angle 180°=120°+third angle third angle=180°-120°=60° Equilateral triangle has three angles equal 60° You triangle is equilateral triangle.
March 2, 2011

math
12d=60 Divide with 12 d=60/12=5
March 2, 2011

math
(1.9*104)*(8.4*105)= 1.09*1.04*10^2*8.4*1.05*10^2= 1.09*1.04*8.4*1.05*10^4= 17.42832*10^4= 1.742832*10*10^4= 1.742832*10^5
March 2, 2011

Math Man I am lost
In google type: calc101 When you see list of resultc click on: Calc101com Automatic Calculus,Linear Algebra and Polynomiasls When page be open clik option: derivatives When this page be open in rectacangle type: 1/sqrt[(2x^3)-9] and click options DO IT You will see solution ...
March 2, 2011

Math
Qadratic equation; y=ax^2+bx+c In your case: a=3 b=-1 c=-4 Discriminant: D=b^2-4ac D=(-1)^-4*3*(-4) D=1+48 D=49 When D>0 equation hawe two real solutions. x1=[-b-sqroot(b^2-4ac)]/2a x1=[-(-1)-sqroot(49)]/(2*3) x1=(1-7)/6 x1= -6/6 x1= -1 x2=[-b+sqroot(b^2-4ac)]/2a x2=[-(-1)+...
March 2, 2011

math
5/8=0.625 0.625*100%=62.5% 5/8=62.5% 5/8 is greater than 58%
March 2, 2011

math
x/2-4= -5 x/2= -5+4 x/2= -1 Multiply with 2 x= -2
March 1, 2011

math
L=Lenght W=With D=Diagonal P=Perimeter L=2W D=sqroot(L^2+W^2) D=sqroot[(2W)^2+W^2=5*sqroot(5) sqroot(4W^2+W^2)=5*sqroot(5) sqroot(5W^2)=5*sqroot(5) sqroot(5)*W=5*sqroot(5) Diwide booth sides with sqroot(5) W=5 W=5m L=2W L=10 L=10m P=2L+2W=2(L+W)=2*(5+10)=2*15=30 P=30m
March 1, 2011

Math - Arithmetic
an=a1+(n-1)*d In your case: a1=3 n=4 a4=18 a4=a1+(4-1)*d 18=3+3*d 18-3=3d 3d=15 Diwide booth sides with 3 d=5 an=a1+(n-1)*d a1=3+0*5=3 a2=3+5*1=3+5=8 a3=3+2*5=3+10=13 a4=3+3*5=3+15=18 Progresion: 3,8,13,15 In google type: arithmetic progression When you see list of results ...
March 1, 2011

math
54=m+9 54-9=m m=45
February 28, 2011

Discrete Math
In google type: Euclidean algorithm online When you see list of result click on: Euclid's Algorithm Calculator-Calculator Soup-Online Calculators When page be open type your numbers and click otion Calculate
February 28, 2011

Math
Slope=tan(alpha) Slope=(y1-y0)/(x1-xo) In google type: Linear equation You can find many sites about that.
February 28, 2011

math
2,9,16,23,30,37,44,51,58,65
February 28, 2011

math
315=3*3*5*7=9*5*7=63*5 315/5=63*5/5=63
February 28, 2011

math
315=3*3*5*7=9*5*7=63*5 5/315=5/(63*5)=1/63
February 28, 2011

math-calc
In google type: calc101 When you see list of resultc click on: Calc101com Automatic Calculus and Algebra Help When page be open clik option: derivatives When this page be open in rectacangle type: x/(x+1) and click options DO IT You will see solution step-by-step By the way on...
February 27, 2011

Math
In google type: calc101 When you see list of resultc click on: Calc101com Automatic Calculus and Algebra Help When page be open clik option: derivatives When this page be open in rectacangle type: (x^3+1)(3x^2-1) and click options DO IT You will see solution step-by-step By ...
February 26, 2011

math
Yes it is.
February 26, 2011

math
9(x-5)=4x-5 9x - 45 = 4x - 5 9x-4x= -5+45 5x=40 Divide with 5 x=8
February 26, 2011

math
In google type: calc101 When you see list of resultc click on: Calc101com Automatic Calculus and Algebra Help When page be opec clik option: derivatives When this page be open in rectacangle type: 12x/sin[x]+cos[x] and click options DO IT You will see solution step-by-step
February 24, 2011

math
4=2*2 4x8=2*2x8
February 24, 2011

Math (Help This Will Be on My Test Tomorrow!)
I make one mistake in typig. -2b= -1 Divide with -2 is mistake -2b= -10 Divide with -2 is correct
February 24, 2011

Math (Help This Will Be on My Test Tomorrow!)
You must write equation for any pair of points. y=ax^2+bx-4 x=0 y= -4 -4=a*0^2+b*0+c 0+0+c= -4 c= -4 x=1 y=0 0=a*1^2+b*1-4 a*1+b*1-4=0 a+b-4=0 a=4-b x=2 y=2 y=ax^2+bx-4 2=(4-b)*2^2+b*2-4 (4-b)*4+2b-4=2 16-4b+2b=2+4 -2b=6-16 -2b= -1 Divide with -2 b=5 a=4-b a=4-5 a= -1 So: a= -...
February 24, 2011

3rd grade math hw help!
1) 2/4,2/3,2/7,2/5 2/4 = 0.5 2/3 = 0.66666 2/7 = 0.28571 2/5 = 0.4 Order is: 2/7=0.28571 2/5=0.4 2/4=0-5 2/3=0.66666
February 24, 2011

3rd grade math hw help!
1) 2/4,2/3,2/7,2/5 2/4 = 0.5 2/3 = 0.66666 2/7 = 0.28571 2/5 = 0.4 2) 1/2,6/7,5/7,1/10 1/10=0.1 1/2=0.5 5/7=0.71429 6/7=0.85714 3) 1/2,6/7,1/12,2/3,11/12,1/6,1/3, 1/4, 4/5 1/12=0.08333 1/6=0.16666 1/4=0.25 1/3=0.33333 1/2=0.5 2/3=0.66666 4/5=0.8 6/7=0.85714 11/12=0.91666
February 24, 2011

math
-1-(-10)=-1+10=10-1=9 7 is less of -1-(-10)
February 24, 2011

math
-3/8= -0.375 That is greater than -1
February 24, 2011

math
-3+(-3)= -3-3= -6
February 24, 2011

math
(3x-5)(2x -8)= 2x*(3x-5)-8*(3x-5)= 6x^2-10x-24x+40= 6x^2-34x+40
February 24, 2011

math
Sorry mistake: (2x-3)*(2x+3)=2x*(2x-3)+3*(2x-3) =4x^2-6x+6x-9 =4x^2-9 B is correct answer
February 24, 2011

math
(2x-3)*(2x+3)=2x*(2x-3)+3*(2x-3) =4x^2-6x+6x+9 =4x^2+9
February 24, 2011

math
Final answer is: -3x^3+4x^2-8x+5
February 24, 2011

math
In google type: polynomials divided solver When you see list of results click on: calc101com/webMathematica/longdivide.jsp When page be open in rectacangle Divide type: 9x^4+0x^3+8x^2+17x-20 In rectacangle by type: -3x-4 Then click option DO IT You will see solution.
February 24, 2011

math
3/4=(3*5)/(4*5)=15/20 1/10=(1*2)/(10*2)=2/20 (3/4)+(1/10)=(15/20)+(2/20)=17/20= 0.85$
February 23, 2011

math
sqroot(40)=sqroot(4*10)=2*sqroot(10)
February 23, 2011

math
d=sqroot[(x2-x1)^2+(y2-y1)^2] Distance between points(7,3)(1,5) x1=7 x2=1 y1=3 y2=5 d=sqroot[(1-7)^2+(5-3)^2] d=sqroot[(-6)^2+2^2] d=sqroot(36+4) d=sqroot(40) Distance between points(8,2)(4,1) x1=8 x2=4 y1=2 y2=1 d=sqroot[(8-4)^2+(1-2)^2] d=sqroot[(4)^2+(-1)^2] d=sqroot(16+1) ...
February 23, 2011

Math (Help This Will Be on My Test Tomorrow!)
2x(-4x+200/3)=2x*(-4x)+2x*200/3 = -8x^2+400x/3
February 23, 2011

math
10^8=10*10*10*10*10*10*10*10=100 milions
February 23, 2011

College Math ll
area= length*width x^2+50x=l*x Divide with x (x^2/x)+50x/x=l*x/x x+50=l l=x+50
February 23, 2011

Math
420/(5/8)=(420/1)/(5/8)=(420*8)/(5*1) =3360/5=672
February 23, 2011

math
1+36/99=1+(9*4)/(9*11)=1+4/11
February 23, 2011

math 117 for bobpursley
sqroot(4)=2 5*sqroot(4)+10*sqroot(4)=5*2+10*2 =10+20=30
February 23, 2011

math
1.5=(3/y ) Multiply with y 1.5y=3 Divide with 1.5 y=3/1.5 y=2
February 23, 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 recatacangle type: -x Then click option Draw
February 22, 2011

Math
60%=60/100=(2*3*10)(2*5*10)=3/5 1-(3/5)=(5/5)-(3/5)=2/5 40%= 2/5 NOT completed
February 22, 2011

math
=distance betwen 2 points d=sqroot[(x2-x1)^2+(y2-y1)^2] In this case x1=0 y1=0 x2=1 y2=1 d=sqroot[(1-0)^2+(1-0)^2] d=sqroot(1^2+1^2) d=sqroot(1+1) d=sqroot(2) d=1.41421 cm
February 22, 2011

Math
In google type: Gaussian elimination online When you see list of results click on: karlscalculusorg/cgi-bin/linear.pl When page be open in rectacangle: How many equations? (2 to 7) type 3 and click Go then type your coefficients and click GO After each step click Go You will ...
February 21, 2011

Math SOmeone please please help
Go to : calc101 com Click option derivatives In rectacangle:Take the derivative of type: ((5+u^2)^5)((3-9u^2)^8) In rectacangle:with respect to: type u In rectacangle:and again with respect to type u Then click option: DO IT You will see solution step-by-step By the way on ...
February 21, 2011

math
V=([d^2*pi)/4] *L [(80^2*pi)/4]*45=[(d^2*pi)/4]*(45+80) Multipy both sides of this equation with(4/pi) (80^2)*45=d^2*(45+80) 6400*45=d^2*125 288000=d^2*125 Divide both sides with 125 288000/125=d^2 2304=d^2 d=sqroot(2304) d=48 cm
February 21, 2011

math
In google type: Pythagorean Theorem real situations When you see list of results click on some site.
February 21, 2011

math
1day=24h 1h=60min 1min=60sec 1hour=60*60=3600sec 1day=24h 1day=24*3600 1day=86400sec 1week=7days 1week=7*86400sec (7sec/1week)=7/(7*86400) (7sec/1week)=1/86400 D is correct answer
February 21, 2011

math
x-2y= -5 x= -5+2y 2x+y= -5 2*(-5+2y)+y= -5 -10+4y+y= -5 -10+5y= -5 5y= -5+10 5y= 5 Diwide both sides with 5 y=1 x= -5+2y x= -5+2*1 x= -5+2 x= -3 Solution: x= -3 y= 1 Checking of result: x-2y= -5 -3-2*1= -5 -3-2= -5 -5= -5 OR 2x+y= -5 2*(-3)+1= -5 -6+1= -5 -5= -5
February 20, 2011

math please help
3-8x=141 -8x=141-3 -8x=138 Divide both sides with -8 x=138/(-8) x= -17.25
February 20, 2011

GED MATH
In: rechneronline.de/function-graphs if you wat to see zoom of graph in Display properties set: Range x-axis from -1.5 to 1.5 Range y-axis from -4 to 1
February 18, 2011

GED MATH
If you wat to see graph of your function in google type: function graphs online When you see list of results click on: rechneronline.de/function-graphs When page be open in blue rectacangle type: 4x^2+2x-3 Then click option Draw You will see graph of your function Then in ...
February 18, 2011

math
y=4x-5 x=3 y=4*3-5=12-5=7 x=5 y=4*5-5=20-5=15 x=7 y=4*7-5=28-5=23 Input values 3,5,7 Output values 7,15,23
February 18, 2011

8th grade math
2x-2= -18 2x= -18+2= -16 Divide with 2 x=-8 -7x+7y=7 -7*(-8)+7y=7 56+7y=7 7y=7-56 7y= -49 Divide with 7 y= -7 One solution x= -8 y= -7
February 17, 2011

math
d=distance betwen 2 points d=sqroot[(x2-x1)^2+(y2-y1)^2] In this case x1=0 y1=0 x2=1 y2=1 d=sqroot[(1-0)^2+(1-0)^2] d=sqroot(1^2+1^2) d=sqroot(1+1) d=sqroot(2) d=1.41421 cm In google type:distance formula and you will find more sites about that
February 17, 2011

math
In google type: angle of depression angle of elevation You will find many sites about that. Sometime find informations about your homeworks on Internet.
February 17, 2011

math
1g=1000mg 0.925*1000=925 mg/l 1l=1000ml 100ml=1000/100=0.1l 0.1*925=92.5 0.925g/l=92.5mg/100ml
February 17, 2011

math
x^2=3x-6 x^2-3x+6=0 In quadratic equation y=ax^2+bx+c discriminate is D=b^2-4ac In your case a=1 b= -3 c=6 D=b^2-4ac=(-3)^2-4*1*6=9-24= -15 When discriminante is negative quadratic have two imaginare solutions. If you want to know that solutions in google type: quadratic ...
February 17, 2011

math
You must find where is : -0.8t^2-10t+330=0
February 17, 2011

math
You must find where is : -0.8t^2-10t+330= In google type: "quadratic equation online" When you see list of results click on: webgraphingcom/quadraticequation_quadraticformula.jsp When page be open in rectacangle type: -0.8t^2-10t+330=0 and click option solve it. ...
February 17, 2011

math
4x-6y=30 3x-5y=24 (4x-6y=30) Multiply with 3 12x-18y=90 (3x-5y=24) Multiply with 4 12x-20y=96 Now you have System: 12x-18y=90 12x-20y=96 Subtracting 12x-18y=90 from 12x-20y=96 gives: 12x-12x-18y-(-20y)=90-96 0-18y+20y= -6 2y= -6 Divide with 2 y= -3 4x-6y=30 4x-6*(-3)=30 4x+18=...
February 16, 2011

math
If you wat to see graph of your function in google type: "function graphs online" When you see list of results click on: rechneronline.de/function-graphs When page be open in blue rectacangle type: x^3-1.5x^2 Then click option Draw You will see graph of your function
February 16, 2011

math
Local minimum or maximum is points where first derivation=0 Derivation of x^3-(3/2)x^2 is 3x^2-(3/2)*2x=3x^2-3x =3*(x^2-x) =3*x*(x-1) Zeros of this expresion is x=0 and x=1 Second derivate of this x^3-(3/2)x^2 is 6x-3 Function have local minimum where is second derivation is ...
February 16, 2011

math
You also can in google type: derivatives online When you see listo of results click on: numberempirecom/derivatives.php and solvemymathcom/online_math_calculator/calculus/derivative_calculator/index.php On this sites you will see your derivation in two different simplify forms
February 16, 2011

math
In google type calc101 When you see list of results click on: calc101com When page be open click option: derivatives When page be open in rectacangle type: 5/(t)^(1/4)-6/(t)^(2/3) In rectacangle: with respect to type t In rectacangle: and again with respect to type t Then ...
February 16, 2011

math
Second equation: -x+2=-y Multiply with(-1) x-2=y y=x-2 If y=x-2 then 2y=2*(x-2)=2x-4 In first equation: -4=x-2y -4=x-(2x-4) -4=x-2x+4 -4+(-4)=-x -8=-x -x=-8 Multiply with(-1) x=8 In second equation y=x-2 y=8-2 y=6 x=8 y=6 Proof: First equation: -4=x-2y -4=8-2*6 -4=8-12 -4=-4 ...
February 16, 2011

math
A common form of a linear equation in the two variables x and y is: y=mx+b where m and b designate constants. In you case: 9x+3y=15 3y=15-9x Diwide wit 3 y=-3x+5 -6x-4y=-8 -4y=-8+6x Divide with -4 y=-(6/4)x+2 y=-(3/2)x+2 y=-1.5*x+2 In google type: functions graphs online When ...
February 16, 2011

math
I write: y=x^2-6x+9 but you can write: f(x)=x^2-6x+9
February 16, 2011

math
You mus find values where is: x^2-6x+9=25 x^2-6x+9-25=0 x^2-6x-16=0 In google type: "quadratic equation online" When you see list of results click on: webgraphingcom/quadraticequation_quadraticformula.jsp In rectacangle type: x^2-6x-16=0 an click option solve it ...
February 16, 2011

math
-7(11-4w)-15 = -27-(50-13w) -7*11-7*(-4w)-15= -27-50+13w -77+28w-15= -77+13w -92+28w= -77+13w 28w-13w= -77+92 15w=15 Divide with 15 w=1
February 14, 2011

Math
L=Lenght W=Width A=L*W L=3W 2700=3W*W 2700=3W^2 Diwide with 3 2700/3=W^2 W^2=900 W=sqroot(900)=30ft L=3W=3*30=90ft L=90ft W=30ft A=L*W=90*30=2700ft^2
February 13, 2011

math
L=Lenght W=Width L=W+3 A=L*W 108=(W+3)*W 108=W^2+3W W^2+3W-108=0 Solutions of this equation is: -12 and 9 Lenght can't be negative,so W=9m L=W+3=9+3=12m L=12m W=9m A=12*9=108m^2
February 13, 2011

math
go to en.wikipedia and type: Piecewise linear function
February 13, 2011

Math
Do mathematical operations,then put unknown values on left side of equation,nubers on right side. For example: -(x+40)=10(3x-4) -x-40=30x-40 -x-30x=-40+40 -29x=0 x=0 -11x+13=-42 -11x=-42-13 -11x=55 Divide with -11 x= -5 9x+2=15x-10 9x-15x= -10-2 -6x= -12 Divide with -6 x=(-12...
February 13, 2011

Math
My mistake : [(5-(-10)]=5+10=15 m=15/(-7)=(-15)/7
February 13, 2011

Math
This is the formula for finding the slope of a line. m is the variable used for the slope m=(y2-y1)/(x2-x1) m=[(5-(-10)]/(-3-4) m=(-15)/(-7) m=15/7 Becose ratio of two negative nubers is positive number
February 13, 2011

math 5th grade
R=Regular coffee F=Flavored coffee R=3*F R+F=8/9 3*F+F=8/9 4F=8/9 Divide with 4 F=(8/9)/4=8/(9*4)=8/36=(2*2*2)/(2*2*9)=2/9 F=2/9 R=3*F R=3*(2/9)=3*2/(3*3)=2/3 R=2/3 F=2/9 R+F=(2/3)+(2/9)=[2*3/(3*3)+(2/9)]= (6/9)+(2/9)=8/9
February 12, 2011

math
75x^4+35x^3-10x^2=(5x^2)*(15x^2+7x-2) Factoring: 15x^2+7x-2 Using the factor pair (-3, 10) whose sum is 7, rewrite your equation replacing the term 7 x with -3 x and 10 x. 15x^2+7x-2=15x^2-3x+10x-2 Now group the first two terms and the last two terms on the left hand side: (...
February 11, 2011

math
What is your exspresion? 54x^3-30x^2+15x OR 45x^3-30x^2+15x 54x^3-30x^2+15x=3x*(18x^2-10x+5) 45x^3-30x^2+15x=15x*(3x^2-2x+1)
February 11, 2011

math
A common form of a linear equation in the two variables x and y is: y=mx+b where m and b designate constants. The origin of the name "linear" comes from the fact that the set of solutions of such an equation forms a straight line in the plane. In this particular ...
February 11, 2011

MAth(Someone please help)
In google type: "function graphs online" When you see list buf results click on: rechneronline.de/function-graphs/ When page be open in blue rectacangle type: 0.002x^2+0.005x-0.029 In Display properties set: Range x-axis -50 to 50 and Range y-axis -1 to 5 Then click ...
February 10, 2011

math
7.8*10^7=7.8*10000000=78000000 78 milions
February 9, 2011

math
x1= -2 x2=x1+3= -2+3=1 x3=x2+3=1+3=4 output1=12 output2=output1-3=12-3=9 output3=output2-3=9-3=6 x(n+1)=x(n)+3 output(n+1)=output(n)-3
February 9, 2011

math
y=2x-2 y=x+2 y=y 2x-2=x+2 2x-x=2+2 x=4 y=2x-2 y=2*4-2=8-2=6 y=x+2 y=4+2=6 x=4 y=6
February 9, 2011

Math
(3/5)*x-6*x=4 (3/5)*x-6*x=4 3/5=0.6 0.6*x-6*x=4 0.6*x-6*x=4 -5.4*x=4 Divide with -5.4 x=4/(-5.4) 4/(-5.4)=40(-54) x=40/(-54) Factorization of numbers 40 and 54 40=2*2*2*5 54=2*3*3*3 x=40/(-54) x=(2*2*2*5)/(-2*3*3*3) x=(2*2*5)/(-3*3*3) x=20/(-27) x= -0,...
February 7, 2011

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