Friday
November 28, 2014

Posts by Bosnian


Total # Posts: 1,763

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

math
6*10^9=6*10*10*10*10*10*10*10*10*10
February 7, 2011

math
3*10^6=3*10*10*10*10*10*10=3000000= 3 milions
February 7, 2011

math
2cm of scale=25km Divide wit25 1km=2/25=0,08cm of scale 145*0,08=11.6cm 80*0,08=6.4 cm
February 7, 2011

math
3(x-2)+12(x+8)= 3*x-3*2+12*x+12*8= 3x-6+12x+96= 15x+90 3(x-2)+12(x+8)=15x+90
February 7, 2011

math
1/6=2/12 (9/12)+(1/6)=(9/12)+(2/12)= 11/12 less then 1
February 7, 2011

math
30>-6(5-x) 30> -30+6x 30+30>6x 60>6x Divide with 6 10>x x<10
February 5, 2011

math
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 your function and click otion Draw
February 4, 2011

math
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: x+7 in grey rectacangle click: 2*x-5 In Display properties set: Range x-axis -20 to 20 and Range y-axis -20 ...
February 4, 2011

math
In en.wikipedia type: "Half-life" and read text, and retype formulas. So: N(t)=N0*e^(-lambda*t) N(t)=N(17)=3 N0=10 t=17 3=10*e^(-lambda*17) Divide with 10 3/10=e^(-lambda*17) e^(-lambda*17)=3/10 -lambda*17=ln(3/10)Divide with 17 -lamba=ln(0.3)/17 lamda=-ln(0.3)/17 ...
February 3, 2011

math
22-2*[5+3(6-1)]= 22-2*[5+3*5]= 22-2*(5+15)= 22-2*20= 22-40= -18
February 2, 2011

math
100 m = (1/4)*400 m 1 min=60 sec 60*1/4= 15 sec
January 30, 2011

Math(Please check)
f'(x)=7 for all values of x
January 30, 2011

Applied Business Math/Colleg student
(2/3)=(2*4)(3*4)=(8/12) (1/6)=(2*1)/(2*6)=(2/12) 2/3+1/6+11/12= =(8/12)+(2/12)+(11/12) =(21/12) =(12+9)/12 =(12/12)+(9/12) =1+(3*3)/(3*4) = 1 3/4 =(4/4)+(3/4) =7/4
January 29, 2011

Math
The most useful form of straight-line equations is the "slope-intercept" form: y = mx + b m is the slope and "b" gives the y-intercept. 3x-5y=8 -5y=8-3x Divide with -5 y=(-8/5)+(3x/5) y=(3/5)x-8/5 The other format for straight-line equations is called the &...
January 27, 2011

math
In google type: "quadratic equation online" When you see list of result click on: webgraphingcom/quadraticequation_quadraticformula.jsp When this page be open in rectacangle type: x^2-x-2=0 and click option solve it! You will see solutions of this equation Step-by-...
January 27, 2011

Math
5=20/4 (2/3)q+(20/4)=(3/4) (2/3)q=(3/4)-(20/4) (2/3)q= -17/*4 Multiply with 4 (8/3)q= -17 Multiply with 3 8q= -17*3 8q= -51 Divide with 8 q= -51/8
January 27, 2011

math/science
48km=48000m 3/48000=1/16000 h 1h=3600 sec (1/16000)*3600=3600/16000= 0.225 sec
January 27, 2011

math
The common distance of the points of a circle from its centre is called its radius. Diametar=2*Radius go to en.wikipedia and type circle in search field.
January 25, 2011

math
1 hour=60 min=4*15 min half hour=30min=2*15 min 4+2=6 6*1=6 miles
January 25, 2011

math
1 foot=12 in (1 foot)^2 =(12 in)^2 1square foot = 144square inchs
January 25, 2011

math
(3/2 )/(4/5)=(3*5)/(2*4)=15/8 (1/2)*(1/2)=1/4=2/8 (15/8)+(2/8)=17/8=(16+1)/8=(16/8)+(1/8)= 2 1/8
January 25, 2011

Math
Subtract 8 of each numbers 64-8=56 56-8=48 48-8=40 40-8=32 Pattern: 64,56,48,40,32
January 25, 2011

math
2*10+2*100+0.4=20+200+0.4=220.4
January 25, 2011

Math Algebra
2m+3n=4 2m+3*2=4 2m+6=4 2m=4-6 2m= -2 Divide with 2 m= -1 n=2 m= -1 2m +3n=4 Check of results: 2m+3n=4 2*( -1)+3*2=-2+6=4 -m+2n=5 -( -1)+2*2=1+4=5
January 25, 2011

Math
The most useful form of straight-line equations is the "slope-intercept" form: y = mx + b m is the slope and "b" gives the y-intercept. The other format for straight-line equations is called the "point-slope" form. For this one, they give you a ...
January 24, 2011

Math (Calculus AB)
The slope of tangent line is first derivation of function. slope=dy/dx If you don't know how to find Derivation in Google type: "calc101" When you see list of results click on: calc101com When page be open click option: derivatives In rectacangle type: x*cos[x] (...
January 24, 2011

math
5/7=(8*5)/(8*7)=40/56 6/8=(7*6)/(7*8)=42/56 30/56 < 40/56 30/56 < 42/56
January 22, 2011

Math
On: rechneronline.de/function-graphs/ In Dispay properties type follow values: Range x-axis from -6.28 to 6.28 Range y-axis from -5.5 to 1.5
January 22, 2011

Math
I suppose that 90 in your first equation is 90° 90°=(pi/2) radians y+3= 2sin(3x +90°) y=2sin(3x +90°)-3 y=2sin(3x +90°)-3 Angle in degres y= 2sin(3x +pi/2)-3 Angle in radians In google type: "function graphs on line" When you see list of results ...
January 22, 2011

Math
3/6=1/2 7sqrt(3/6)=7sqrt(1/2)=7/sqrt(2)
January 22, 2011

Math
8/9=20/x 8x=20*9 8x=180 Divide with 8 x=180/8 x=(2*2*45)/(2*2*2)=45/2=22.5
January 22, 2011

math
sin(A)=cos(90°-A) cos(33°)=sin(90°-33°)=sin(57°)
January 21, 2011

math
In google type: "quadratic equation online" When you see list of result click on: webgraphingcom/quadraticequation_quadraticformula.jsp When this page be open in rectacangle type equation: 3a^2+6a-189=0 and click option solve it! You will see solutions of this ...
January 20, 2011

math
Fist number= a Second number= a+1 Third number= a+2 a^2+(a+1)^2+(a+2)^2=194 (a+1)^2=a^2+2*a*1+1^2=a^2+2a+1 (a+2)^2=a^2*2a*2+2^2=a^2+4a+4 a^2+a^2+2a+1+a^2+4a+4=194 3a^2+6a+1+4=194 3a^2+6a+5-194=0 3a^2+6a-189=0 The exactsolutions of this equation are: a=7 and a=-9 Solution: ...
January 20, 2011

math
0<x<15cm x= larger of 0 and lesser of 15cm
January 20, 2011

Math/Trig
L=r*aplha alpha in radians L=7.7 alpha=pi/7 7.7=r*(pi/7) divide with (pi/7) r=7.7/(pi/7) r=(7.7*7)/pi r=53.9/3.1415926535 r=17,1569cm r=17.2cm
January 20, 2011

math
7/7=1
January 20, 2011

math help please!!
log(x-2)= 1-log(x+1) log(x-2)+log(x+1)=1 log(a)+log(b)=log(a*b) log(x-2)+log(x+1)=log((x-2)*(x-1)) 1=log(10) log((x-2)*(x-1))=log(10) So: (x-2)*(x+1)=10 x^2-2x+x-2=10 x^2-x-2=10 x^2-x-2-10=0 x^2-x-12=0 Exact solutions of this equation is: -3 and 4 Negative numbers have not ...
January 20, 2011

math log
Third row have typefeler Correct formula is: log(a+b)=log(a)+log(b)
January 20, 2011

math log
7.2=36/5 36=6*6 log(a+b=log(a)+log(b) log(36)=log(6)+log(6)=2*log(6) log(a/b)=log(a)-log(b) log(36/5)=2*log(6)-log(5) log(6)=m log(5)=n log(36/5)=log(7.2)=2m-n
January 20, 2011

college math 209
In google type "quadratic equation online" when you see list of results click on: webgraphingcom/quadraticequation_quadraticformula.jsp Whenn this page be open in rectacangle type your equation,and click option solve it and you will see solution Step-by-step
January 16, 2011

college math 209
In google type "quadratic equation online" when you see list of results click on: webgraphingcom/quadraticequation_quadraticformula.jsp When this page be open in rectacangle type your equation,and click option solve it You will see solution Step-by-step
January 16, 2011

Math/Trigonometry
1 revolution=2*pi radians 1.6*2*3.1415926535=10,0530964912 radians nearest tenth=10 radians
January 14, 2011

Math/Trig
Area of circle: A=r^2*pi Area of your sector=r^2*pi*(125/360)=3^2*pi*125/360=9*pi*125/360 =9*3.1415926535*125/360 =3534,2917351875/360 =9,8174770421875 m^2
January 14, 2011

math
In google type "functions graphs online" When you see list of results click on: rechneronline.de/function-graphs/ When page be open type your fuction and click option Draw
January 14, 2011

11th grade math
Go to: en wikipedia org And type:Absolute value You will see everything about Asolute Value including graph.
January 13, 2011

math
In google type "composite numbers " When you see list of results click on en.wikipedia and you can find everything about composite numbers
January 12, 2011

math
1+4+s= 5+s
January 12, 2011

math
-3(3x+15)-(10+x)=35 -9x-3*15-10-x=35 -9x-45-10-x=35 -10x-55=35 -10x=35+55 -10x=90 x=90/(-10) x=-9
January 12, 2011

math
Standard notation is just the number like 248 or 822 or.... and so on, or it is a number completely written out without any shortcuts.
January 12, 2011

integrated math
y=210-6b
January 10, 2011

math
In mathematics, an irrational number is any real number which cannot be expressed as a fraction a/b 30=2*3*5 sqroot(30)=sqroot(2)*sqroot(3)*sqroot(5) sqroot(2), sqroot(3) and sqroot(5) is irrational numbers. sqroot(30) is irrational too. The real numbers are the numbers that ...
January 10, 2011

Math
2*log(x)-log(4)-log(3)+log(x)=2logx+logx-log4-log3 =3*log(x)-[log(4)+log(3)] log(x^n)=n*log(x) 3*log(x)=log(x^3) log(a)+log(b)=log(a*b) log(4)+log(3)=log(4*3)=log(12) log(a)-log(b)=log(a/b) 3*log(x)-[log(4)+log(3)]=log[(x^3)/12]
January 10, 2011

math
|60| = 60 |-60| = 60 60-60=0
January 10, 2011

math
You also can write fraction: 3.9/1.2=x/500 1.2*x=3.9*500 1.2*x=1950 Divide with 1.2 x=1950/1.2 x=1625
January 8, 2011

math
copper/nickel=3.9/1.2=3.25 500*3.25=1625 kg of copper
January 8, 2011

Math
7/20=(7*5)/(20*5)=35/100=0.35
January 7, 2011

math
1meter=100 centimeters=10^2 centimeters 1m=10^2cm 1m^3=(10^2)^3=10^6 cm^3=1000000 cm^3 1kilometer=1000meters=10^3 meters 1km^2=(10^3)^2=10^6 cm^2=1000000 cm^2
January 6, 2011

math
1meter=100cm=10^2cm 1m^3=(10^2)^3=10^6 cm^3=1000000 cm^3
January 6, 2011

math
1 liter= 1cubic decimeter 1dm= 10cm 1dm=10^2cm 1L=1dm^3=(10^2)^3=10^6 cm^3=1000000 cm^3 2L=2*10^6 cm^3=2000000 cm^3 One litre of water has a mass of one kilogram. Two litre of water has a mass of 2 kilograms.
January 6, 2011

Math (algebra)
(y-1)/2u+x=m (y-1)/2u=m-x y-1=2u*(m-x) Divide with (m-x) 2u=(y-1)/(m-x) Divide with 2 u=(y-1)/[2*(m-x)]
January 6, 2011

Math 3
11*13=143 6/11=(6*13)/143=78/143 2/13=(2*11)/143=22/143 6/11+2/13=(78/143)+(22/143)=100/143
January 6, 2011

math
8.7
January 2, 2011

8th grade math
3x+3y=-6 3y=-6-3x Divide with 3 y=-2-x 7x+4y=1 7x+4*(-2-x)=1 7x-8-4x=1 3x-8=1 3x=1+8 3x=9 Divide with 3 x=9/3 x=3 y=-2-x y=-2-3 y=-5 x=3 y=-5 Cheking of results: 3x+3y=3*3+3*(-5)=9-15=-6 7x+4y=7*3+4*(-5)=21-20=1
December 21, 2010

math
x+5y=-4 y=3x-4 x+5*(3x-4)=-4 x+15x-20=-4 16x=-4+20 16x=16 Divide wth 16 x=1 y=3x-4 y=3*1-4 y=3-4=-1 x=1 y=-1 Cheking of result: y=3x-4 -1=3*1-4 -1=3-4 -1=-1 x+5y=-4 1+5*(-1)=-4 1-5=-4 -4=-4
December 21, 2010

art
Go to images.google com and type scgraffito any you can see some examples.
December 21, 2010

Math Problem Solving
6n+(8n-2n)+3/2=6n+8n-2n+3/2 6n+8n-2n=14n-2n=12n 6n+8n-2n+3/2=12n+(3/2)
December 21, 2010

math
A=(1/2)*a*h A=255 - Area h=15 - hight a - lenght of base 255=(1/2)*a*15 Multiply with 2 510=15*a Divide with 15 a=510/15=34 a=34ft Checking of results: A=(1/2)*a*h A=(1/2)*34*15 A=(1/2)*510 A=255ft squared
December 21, 2010

math
x+9-6=7 x+3=7 x=7-3 x=4
December 21, 2010

MAth
If your solution x=315 you solve it correctly.
December 18, 2010

Math
A secant line of a curve is a line that (locally) intersects two points on the curve. You must know equation of curve f(x) if you want to find secant line.
December 18, 2010

math
liter is unit of volume not of force
December 18, 2010

math
1cm=(1/100)m 1m=100cm 100m=100*100=10000cm
December 17, 2010

MATH
-7+2=-5 |-5|=5 |-4|=4 5-4=1
December 15, 2010

Math
In google type: "quadratic equation online " When you see results clik on webgraphingcom/quadraticequation_quadraticformula.jsp type you equation and click solve it and you will see solution step by step.
December 15, 2010

Aims math [help please very appreciated]
15x-2x=21-4 13x=17 Divide wit 13 x=17/13
December 15, 2010

5th math
(1/4)*(2/2)=2/8 (1/4)=(2/8) (1/4)+(1/8)= (2/8)+(1/8) =3/8
December 15, 2010

math
2x^2 -12x +23=2*(x^2-6x+23/2) (x-a)^2= x^2-2ax+a^2 (x-3)^2= x^2-2*3*x+3^2= x^2-6x+3^2 2*(x^2-6x+23/2)= =2*(x^2-2*3*x +3^2+ 23/2 -3^2) =2(x^2-6x+3^2)+2*(23/2)-2*(3^2) =2*(x-3)^2+23-2*9 =2*(x-3)^2+23-18 =2*(x-3)^2 +5 Proof: 2*(x-3)^2+5=2*(x^2-2*3*x+3^2)+5 =2*(x^2-6x+9)+5 =2x^2-...
December 10, 2010

math
sqroot(5*1215)=sqroot(6075)=77.9423
December 9, 2010

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