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November 23, 2014

Posts by Bosnian


Total # Posts: 1,759

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

pre cal
sin(theta)=1/5 cos(theta)=sqroot[1-sin(teta)^2] cos(theta)=sqroot[1-(1/5)^2] cos(theta)=sqroot(1-1/25) cos(theta)=sqroot(25/25-1/25) cos(theta)=sqroot(24/25) cos(theta)=sqroot(6*4/25) cos(theta)=sqroot(6*2^2/5^2) cos(theta)=(2/5)*sqroot(6) sin(2theta)=2*sin(theta)*cos(theta) ...
April 17, 2011

Calculus
If you try to see graph of that function you can see that function: x^3-4x+5 havent absolute maximum or absolute minimum.
April 17, 2011

Calculus
Sorry: Second derivate=6x 6*1.1547005383792515290182975610039= 6.9282032302755091741097853660235>0 Function has local minimum for x=1.1547005383792515290182975610039 f(x)min=f(1.1547005383792515290182975610039)= 1.9207985643219959226178731706562
April 17, 2011

Calculus
Functionn has local maximum or minimum where first derivation=0 If second derivate<0 that is local maximum If second derivate>0 that is local minimum First derivation=3x^2-4=0 x=+/- 2/sqroot(3) sqroot(3)=1.7320508075688772935274463415059 x=+/- 2/1....
April 17, 2011

algebra 1
In google type: functions graphs online When you see list of results click on: rechneronline.de/function-graphs/ You will see graph of quadractic function.
April 17, 2011

math
x=12-4y 8x+5y= -12 8*(12-4y)+5y= -12 8*12-8*4y+5y= -12 96-32y+5y= -12 96-27y= -12 96+12=27y 108=27y Divide with 27 4=y y=4 x=12-4y x=12-4*4 x=12-16 x= -4
April 17, 2011

Math(Please help)
8^(2/3)=third root of (8^2) 8^(2/3)=third root of(64)=4
April 17, 2011

Math
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 4*x*e^(x) ln[x-(1/3)x+1] ln[(2z-...
April 17, 2011

MAth
5*(2x-10)/2+14=19 5*(2x-10)/2=19-14 5*(2x-10)/2=5 Multiply with 2 5*(2x-10)=5*2 5*2x-5*10)=10 10*x-50=10 10*x=10+50 10*x=60 Diwide with 10 x=6 Proof: 5*(2*6-10)/2+14=5*(12-10)/2+14=5*2/2+14=5+14=19
April 16, 2011

MAth
IF 50=3(s=16)- 2(s-2) mean: 50=3*(s-16)-2*(s-2) then: 50=3*(s-16)-2*(s-2) 50=(3*s-3*16)-(2*s-2*2) 50=(3s-48)-(2s-4) 50=3s-48-2s+4 50+48-4=3s-s 94=s s=94 Proof: 3*(94-16)-2*(94-2)=3*78-2*92=234-184=50
April 16, 2011

algebra
4x+y=1 y=1-4x 6x+2y= -2 6x+2*(1-4x)= -2 6x+2-8x= -2 6x-8x= -2-2 -2x= -4 Divide with -2 x= -4/-2 x=2 y=1-4x y=1-4*2 y=1-8 y= -7 Proof: 6x+2y= -2 6*2+2*(-7)= -2 12+(-14)= -2 12-14= -2 -2= -2 4x+y=1 4*2+(-7)=1 8-7=1 1=1
April 13, 2011

Algebra
In google type When you see list of results click on: Polynomial division-Calc101com Automatic Calculus Linear... When page be open in rectacangle Divide type: (5x^4)-2 In rectacangle by type: 3x^2 Then click option DO IT You will see solution.
April 11, 2011

Math
* is sign for multiply
April 11, 2011

Math
W=Width L=Length P=Perimeter A=Area P=2(W+L) 200=2(W+L) Divide with 2 100=W+L 100-L=W W=100-L A=W*L=(100-L)*L A=100L-L^2 dA/dL=100-2L Function has minimum or maximum when first derivate=0 100-2L=0 100=2L Divide with 2 50=L L=50 yd If second derivate<0 then function has a ...
April 11, 2011

science
In google type: difference meteor meteorite You will find many sites about that question.
April 11, 2011

Math
If yor function: y= -1/2x mean y=(-1/2)*x then: Slope -1/2 y-intercept y=(-1/2)*0= 0
April 11, 2011

Math
y-intercept is a point where the graph of a function intersects with the y-axis y-intercept is value of y where x=0 y= -1/2x Slope -1/2 y-intercept y= -1/2*0= -1/0= +/- infinity y= 3x-4 Slope 3 y-intercept y=3*0-4=0-4= -4
April 11, 2011

polynomials
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^2-21x+84=0 and click option solve it You will see solution step-by-step
April 11, 2011

algebra
(m-4)^2=m^2-2*m*4+4^2=m^2-8m+16
April 11, 2011

geometry
In google type: wikipedia platonic solid When you see list of results cicki on: Platonic solid-Wikipedia,the free encyclopedia
April 11, 2011

maths
a*b*c*d=2145 a*b=65 a*b*c*d=2145 65*c*d=2145 c*d=2145/65=33 c*d=33 Only two prime numbers with that product is 3 and 11 3*11=33 3+11=14 Answer D
April 11, 2011

maths
In google type: functions graphs online When you see list of results click on: rechneronline.de/function-graphs/ In blue rectangle type: x^2-6x-10 In gray rectangle type: x In Range x-axis from type -7 to 13 In Range y-axis from type -25 to 25 then click option Draw
April 11, 2011

science
That I find in wikipedia: The "strongest" human muscleSince three factors affect muscular strength simultaneously and muscles never work individually, it is misleading to compare strength in individual muscles, and state that one is the "strongest". But ...
April 9, 2011

Math
Perimeter of rectangle: P=2w+2l P=2(w+l) Area of rectangle: A=w*l w=width l=length w=6in l=8in P=2(w+l) P=2*(6+8)=2*14=28in A=w*l=6*8=48in^2 Ratio 1:2 w=2*6=12in l=2*8=16in P=2(w+l) P=2*(12+16)=2*28=56in A=w*l=12*16=192in^2 Ratio 1:3 w=3*6=18in l=3*8=24in P=2(w+l) P=2*(18+24)=...
April 9, 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: 2x^2+3 In Range x-axis from type -2.5 to 2.5 In Range y-axis from type 2 to 12 and click option Draw You will see graph.
April 9, 2011

math
f(g(x)) means that wherever you see x in f(x) you replace it with the expression for g(x) So: f(g(x)))=3(g(x))-2=3*(4x-1)-2=12x-3-2= 12x-5
April 9, 2011

math
In google type: Rewrite the equation with the right side completely When you see list of results click on: AIDS Cases From 1993 to 2003 math help? You will see solution.
April 8, 2011

Math
sqroot(9)= 3 OR -3
April 7, 2011

Math
You also can write: b=sqroot(9) b= -3 a=108/b a=108/ -3 a= -36 a= -36 b= -3 a*b=(-36)*(-3)=108 a/b= -36/ -3=12
April 7, 2011

Math
a=first number b=second number a*b=108 Divide with b a=108/b a/b=12 (108/b)/b=12 108/b^2=12 108=12*b^2 Divide with 12 9=b^2 b=sqroot(9) b=3 a=108/b a=108/3 a=36 a=36 b=3 a*b=36*3=108 a/b=36/3=12
April 7, 2011

3rd grade math
OR: 1 24 2 27 3 30 4 33 5 36 6 39 7 42 8 45 9 48 10 51 11 54 12 57 13 60 14 63 15 66 16 69 17 72 18 75 etc
April 5, 2011

3rd grade math
You must add 3 for all next output number. Series: 4 33 5 36 6 39 7 42 8 45 9 48 10 51 11 54 12 57 13 60 14 63 15 66 16 69
April 5, 2011

Math
10^9=1,000,000,000 10^-8=0.00000001 10^5=100,000 10^-6=0.000001 10^0=1 10^-8,10^-6,10^0,10^5,10^9
April 5, 2011

Math
100%-30%=70%=70/100 36*70/100=2520/100= 25.20 $
April 5, 2011

4th grade math
45/90=45/(2*45)=1/2=0.5
April 5, 2011

math
W=Width
April 5, 2011

math
L=Lenght W=With A=Area L=3W A=L*W=108 108=3W*W 3W^2=108 Divide with 3 W^2=108/3 W^2=36 W=sqroot(36) W=6 cm L=3W L=3*6=18 cm A=L*W=18*6=108 cm^2
April 5, 2011

math
3yd 1ft-1yd 2ft=1yd 2ft
April 5, 2011

math
1yd=3ft 3yd=3*3=9ft 3yd 1ft=9ft+1ft=10ft 1yd 2ft=3ft+2ft=5ft 3yd 1ft-1yd 2ft=10ft-5ft=5ft 5ft=3ft+2ft=1yd 2ft
April 5, 2011

Math
10^-8= 1/10^8 = 1/100,000,000 = 0.00000001
April 4, 2011

Math
4.3*10^3 * 2*10^-8= 4.3*2*10^3*10^-8= 8.6*10^[3+(-8)]= 8.6*10^(3-8)= 8.6*10^-5= 8.6/10^5= 8.6/100,000= 0.000086
April 4, 2011

Math
4z^3*(3z-1)+7(3z-1)= 4z^3*(3z-1)+(7*3)*z+7*(-1)= 4z^3*3z+4z^3*(-1)+21z-7= 12z^4-4z^3+21z-7 By the way in google type: Expessions Simplifier When you see list of results click on: Expessions Simplifier and Solver-Algebra com When page be open in rectacangle type your equation ...
April 4, 2011

Math
0.09 x 10^12= 9*10^-2 * 10^12 = 9*10^(-2+12) = 9*10^10
April 4, 2011

math
2(5656)-93872=2*5656-93872=11312-93872= -82560
April 3, 2011

math
In google type: Solver Solving a System of Linear Equations by Elimination When you see list of results click on: Solver Solving a System of Linear Equations by Elimination/Addition When page be open in rectacangles type your coefficients 1 row 5 3 2 2 row 6 4 7 and click ...
April 3, 2011

math polynomials
In google type: Algebra Solver and Math Simplifier that SHOWS WORK When you see list of results clik on: Algebra Solver and Math Simplifier that SHOWS WORK In rectacangle type your expresion and click option: SOLE OR SIMPLIFY You will se solution step by step
April 3, 2011

Math
In google type: calc101 When you see list of results click on: Calc101com Automatic Calculus,Linear Algebra and Polynomials When page be open clik option: derivatives When this page be open in rectacangle type: 2x-(x^2+1)^7/3 and click options DO IT You will see solution step-...
April 2, 2011

math
-2-6= -(2+6)= -8
April 2, 2011

math problem
U=Uk territories D= Denmark territories N=Norway territories U+D+N=20 N=U/5 D=2 U+D+N=20 U+2+U/5=20 U+U/5=20-2 6U/5=18 Multiply with 5 6U=18*5 6U=90 Divde with 6 U=90/6=15 U=15 N=U/5=15/5=3 N=3 United Kingdom= 15 territories Denmark= 2 territories Norway= 3 territories
March 31, 2011

math
Ms.Sue How I can put link in My answer? Everytime when I try that I see message: You are not allowed to post internet addresses. If you own a website and would like Jiskha com to link to it, please submit your URL.
March 31, 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: sqr(x+1) If f^-1 mean 1/f(x) in grey rectacangle type: 1/sqr(x+1) Then click option Draw You will see graph of your ...
March 31, 2011

math
40/16=2.5 16*2.5=40 40*2.5=100 100*2.5=250 250*2.5=625 625*2.5=1562.5 1562.5*2.5=3906.25 etc
March 31, 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^2 + 2 x + 9 In Display properties set: Range y-axis from -7 to 13 Then click option Draw You will see graph of your ...
March 30, 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: 1+sqr(x) in gray rectacangle type: (3+x)/3 and click option Draw
March 30, 2011

Math
90=2*45
March 29, 2011

Math
In google type: calc101 When you see list of results click on: Calc101com Automatic Calculus,Linear Algebra and Polynomials When page be open clik option: derivatives When this page be open in rectacangle type: -460+100Q-Q^2 In rectacangle with respect to: type Q in ...
March 25, 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 rectacangle type: 3b^2+b-10=0 and click option solve it You will see solution step-by-step
March 23, 2011

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