Tuesday
July 22, 2014

Posts by Bosnian


Total # Posts: 1,678

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

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

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

math
-2x(3y-2xy) = -2x*3y -2x *( -2xy )= -6xy + 4 x^2*y

Maths
ð = pi

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 ...

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.

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°

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

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

math 1012
239 cm = 2.39 m

math 1012
1 m = 100 cm 2 m = 200 cm 39 cm + 2 m = 39 + 200 = 239 cm

math
7(ac + 2b) + 2ac = 7ac + 2*7b + 2ac= 9ac + 14b

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

math\
36 % = 36 /100 36 % of fifty = (36/100)*50 = 36*50 /100 = 1800 /100 = 18

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

math
(1/2)*(2/2)= 2/4 2/4 is less of 3/4 1/2 is less of 3/4

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

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

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...

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: ...

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

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...

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

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

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

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.

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

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

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&...

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 do...

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

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

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

calculus
Proof: x/2 + 6 = x/3 + 1 2 36/2 + 6 = 36/3 + 12 18 + 6 = 12 +12 24 = 24

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

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

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: De...

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...

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

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 fra...

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

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°)...

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&de...

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

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

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 =

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...

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)

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

math
21+(9-7)*(5-4 )= 21 + 2*1 = 23

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 ...

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]

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.

math
1km=1000m 1m=1/1000 km 5m=5/1000=0.005km

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)

MATH HELP HELP HELP HELP HELP
In google type: mathematical ciphers You will find something.

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

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

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...

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) s...

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.

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

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=+/- 2/1.73205080756887729352744...

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.

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

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

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-1...

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

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

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

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.

Math
* is sign for multiply

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 ma...

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

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

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

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

algebra
(m-4)^2=m^2-2*m*4+4^2=m^2-8m+16

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

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

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

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 bel...

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)=...

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.

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

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.

Math
sqroot(9)= 3 OR -3

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

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

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

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

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

Math
100%-30%=70%=70/100 36*70/100=2520/100= 25.20 $

4th grade math
45/90=45/(2*45)=1/2=0.5

math
W=Width

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

math
3yd 1ft-1yd 2ft=1yd 2ft

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

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

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