Saturday
August 1, 2015

Posts by Damon


Total # Posts: 21,591

Math
85/100 = 17/20
January 13, 2015

Science
work = force * distanced moved in direction of force W = 10 * 1.5 = 15 Joules
January 13, 2015

MATH
Yes, it is D
January 13, 2015

MATH
NO! hey sketch both graphs for x = -1, x=+1, x = 0
January 13, 2015

MATH
Please sketch a graph. It is two V shapes identical except that one is 15 below the other.
January 13, 2015

Math
1/4 went 1/4 * 496 = 124
January 13, 2015

math
dimensions are length = 8+4 = 12 width = 4 +4 = 8 2 L + 2 w = 24 + 16 = 40
January 13, 2015

algebra 2
x = 0.04 t 25 = 0.04 t t = 25/.04 = 625 seconds which is about ten and a half minutes
January 13, 2015

math
You are welcome
January 13, 2015

math
yes 2.5 * 15 = 37.5 and 2.5 hours per day * 22 days = 55 hours
January 13, 2015

physics
It is going away so you hear a longer wavelength so LOWER frequency
January 13, 2015

algebra 2 help typo?
x+4 = 8/3 x = 8/3 - 12/3 = -4/3 or -x-4 = 8/3 x+4 = -8/3 x = -20/3
January 12, 2015

alegebra 2 Help
(x+h)^2 = x^2 + 2 h x + h^2 x(x^2 + 2 h x + h^2)=x^3 +2 hx^2+ xh^2 h(x^2 + 2 h x + h^2)=hx^2+2h^2x+h^3 sum=x^3 +3hx^2 +3h^2x+ h^3 etc
January 12, 2015

alegebra 2 Help
so continue [ x^3 -(x+h)^3 ] / [h x^3(x+h)^3]
January 12, 2015

alegebra 2 Help
[1/(x+h)^3 - 1/x^3 ]/h
January 12, 2015

physics
reaches top in 1.5 seconds v = Vi - g t 0 = 5 - 1.5 g g = 5/1.5 = 3.33 m/s^2 v = 15 - 3.33 t 8 = 15 - 3.33 t t = 2.1 seconds h = 15 t - (3.33/2) t^2
January 12, 2015

Legal research
Would you believe it says a digest is an index ? :)
January 11, 2015

Legal research
http://lawlibguides.byu.edu/content.php?pid=225319&sid=1961818
January 11, 2015

Legal research
I believe you are correct.
January 11, 2015

math
You are welcome.
January 11, 2015

math
M = 2 P- 4 so P + 2P-4 = 32 3 P = 36 P = 12 then Marc has 24 - 4 = 20
January 11, 2015

legal research writings
Then I suppose go with the dictionary. I do not think law dictionaries have pockets with updates, but I am not a legal scholar.
January 11, 2015

legal research writings
Well, I agree that a treatise might not be typically updated.
January 11, 2015

legal research writings
but I think you might just publish a new edition of a dictionary.
January 11, 2015

legal research writings
I think you might: http://en.wikipedia.org/wiki/Legal_treatise
January 11, 2015

legal research writings
Would you update treatises?
January 11, 2015

Legal research
Yes, Lucina is right http://www.acronymfinder.com/LexisNexis-%28online-legal-research-tool%29-%28LN%29.html
January 11, 2015

Legal research
go with Lucina, I just Googled it.
January 11, 2015

Legal research
sorry, Google shows: Lex-Nex
January 11, 2015

chemistry
mol of Na O H = 23+16 + 1 = 40 grams so 1 gram is 1/40 mol = .025 mol .025 mol = .2 mol/liter * x liters so x = .025/.2 = .125 liters or 1/8 liter
January 11, 2015

Algebra Help Please
here, for any old x x^0 * x^1 = x^(1+0) = x^1 so x^0 was 1
January 11, 2015

Algebra Help Please
ANYTHING^0 = 1 no more steps needed
January 11, 2015

algebra
HEY, you were almost there! -4 1/x^2 x * y^4 y^7/1 -4 *1/(x^2*x) * y^(4+7) = -4 y^11/x^3
January 11, 2015

algebra
12 x^-2 y^4 /{ -3 x (y^-7) } ?? is -4 x^-3 y^11 = -4 y^11/x^3
January 11, 2015

Math
maybe average = (7.6+10.4)/2 = 9 9 +/- |1.4|
January 11, 2015

physics
we must find the change of momentum during contact, in other words Vi and u Vi = w sin 61.8 u = w cos 61.8 if w is the initial speed 176 = u t where t is total time in air v = w sin 61.8 - g t h = Hi + Vi t - 4.9 t^2 0 = 0 + Vi t - 4.9 t^2 = t(Vi - 4.9 t) so it is at the ...
January 11, 2015

Math
10/(100+20) = 10/120 = 1/12
January 11, 2015

Algebra 2
z = k x y^2/ (r s) where k is a constant
January 11, 2015

Physics
average force = change of momentum/time instantaneous force if m is constant = m A so average force = 97.7 / .368 Newtons
January 11, 2015

Algebra II
(f+g)(x) = 8 x^2 + 1/x^2 (f-g)(x) = 8 x^2 - 1/x^2 f [g(x)] = f (1/x^2) = 8(1/x^4) = 8/x^4 f [1/g(x)] = f (x^2) = 8 x^4
January 11, 2015

Algebra 2
Intersection of a hyperbola with an ellipse, cool 2 x^2 - 5 y^2 = 1 2 x^2 + 10y^2 = 136 --------------------subtract -15 y^2 = -135 y^2 = 9 so y = +/-3 x^2 = 68-45 = 23 so x = +/-sqrt(23) (sqrt 23 , 3) (sqrt 23 , -3) (-sqrt 23 , 3 ) (-sqrt 23 , -3)
January 11, 2015

math
The trick is: Out of every four bagels one is sesame and three are plain so that sesame/plain = 1/3 sesame/all = 1/4 = .25 = 25% plain/all = 3/4 = .75 = 75% (1/4) 24 = 6 sesame (3/4) 24 = 18 plain
January 11, 2015

Calculus
f' = 1/x^2 at x = -3, f = 1/3 at x = -1/2, f = 2 slope = (2 - 1/3)/(-1/2 + 3) = (5/3)/(5/2) = 2/3 where is the derivative = 2/3 ? 1/x^2 = 2/3 x^2 = 3/2 x = +/- sqrt (3/2) yes B
January 11, 2015

Math
first equation y - x/2 = 5 2 y - x = 10 second equation -x + y/5 = -13 y - 5x = -65 2 y - 10 x = -130 so two equations 2 y - x = 10 2 y - 10 x = -130 --------------------subtract 9 x = 140 x = 15.56 y = 5 + x/2 = 12.78
January 11, 2015

Calculus
yes, v = 6 t - 3 t^2 dv/dt = 0 at max or min = 6 - 6 t so max or min at t = 1 max or min? d^2v/dt^2 = -6 so max what is that max v at t = 1 v(1) = 6-3 = 3 so C.
January 11, 2015

MATH
I think you will have to try various interest rates and graph that function if i = .1 or 10% 6.25 = 5.76 if i = .08 6.25 = 6.24 close to 8%
January 10, 2015

Math
scroll down a bit. I just did that not a good idea to use your real name
January 10, 2015

Polynomials
it is asking if the left is the same as the right look at a (a-b)(a-b) = a^2 -2ab + b^2 Always then b (a+b)(a+b) = a^2 + 2ab + b^2 NOT a^2+b^2 and is ONLY true if a or b is zero same problem with c You have a typo in d but if that is a + sign then true (a+b)(a+b)=a^2+2ab+b^2
January 10, 2015

Math
(4x-1)/[(x+3)(x+4)] * (x+4)(x-3)/(2x-1) when you divide fractions, invert the denominator and multiply (x+4) cancels (4x-1)(x-3) /[ (x+3)(2x-1)]
January 10, 2015

Math
yours (x^2-2x)/(x+1)x (x^2-1)/(x^2+x-6) My work on simplifying the expressions x(x-2)/(x+1) * (x+1)(x-1)/[(x+3)(x-2)] note your sign error in second denominator (x+1) and (x-2) cancel x(x-1) / (x+3)
January 10, 2015

Calculus
2^1 +2^1 *2^1 + 2^1* 2^2 ..... 2^1*2^(n-1) is 2 + 2*2 + 2 *2^2 .... note 2^1 * 2^(n-1) = 2^n 2^1 =2 = a 2 = r sum from i = 1 to n = 2 ( 1-2^n)/(1-2) = -2 (1-2^n) =2^(n+1) - 2
January 10, 2015

calculus
Do you mean from 0 to 5 and from 0 to 6 ? if so 2 (x^2 -3 x) at 5 - at 0 = 2 (25 - 15) - 0 = 20 at6 it is 2 (36-18) = 2*18 = 36
January 10, 2015

calculus
what is the derivative of (5/7)x^7 ? what is the derivative of -x^(-2) ?
January 10, 2015

Physics
period = T = 60 seconds/26 = 30/13 f = 1/T = 13/30 A = 3.9 cm y = -3.9 cos (2 pi t/T) because y = -3.9 when t = 0 y = - 3.9 cos (26 pi t/30)
January 10, 2015

Math
I can not simplify it but f(x) = -3(x^2+4x+4) -x-1 = -3 x^3 -12 x -12 - x - 1 = -3x^2 - 13 x -13 sure enough f(x) = [(x-2)(x+1)] / [ (3x+1)(x+1) ] = (x-2)/(3x+1) we win again
January 10, 2015

Math
(x-2)(x+1)/(x+1) = x-2 = g(x) (x-4)(x+3)/(x+3) = x-4 g(x) = (x-2)(x-4)/(x-2) = x-4 also
January 10, 2015

math
13,000 = 6,000 +.05(x-20,000)
January 10, 2015

maths
took me 40 http://www.jiskha.com/display.cgi?id=1420913304
January 10, 2015

maths-6th grade
sorry I took so long, had a grandson's hockey game in the middle of that.
January 10, 2015

maths-6th grade
t x 0 0 1 20 2 10 3 30 4 20 5 40 6 30 7 50 8 40 9 60 10 50 11 70 12 60 13 80 14 70 15 90 16 80 17 100 18 90 19 110 20 100 21 120 22 110 23 130 . . . 40 200 averages 5 meters/min
January 10, 2015

maths algebra
x/2 red x/d blue x - x/2 - x/d = x(1/2 - 1/d) yellow
January 10, 2015

math
-2 -2*-3 = 6 6*-3 = -18 -18*-3 = 54 54*-3 = -162 etc
January 9, 2015

math
oh 486 + 440
January 9, 2015

math
area of cube = 6*49 subtract pi (3.5^2) so cube area painted = 294 - pi(3.5)^2 side area of cylinder = 20 ( 7 pi) end areas = 2 pi(3.5^2) but delete one so total cylinder area =140 pi+pi(3.5^2) total = 294-pi(3.5)^2+140pi+pi(3.5)^2 = 294 + 140 pi = 294 + 20(22) = 294+440 = 734
January 9, 2015

math
a + 12 d = 159 a + 19 d = 264 --------------- 7 d = 105 d = 15 a = 159-12(15) = -21
January 9, 2015

Math
[5(x+1) +2(x-1)]/(x^2-1) = -6 5x+5 +2x-2 = -6x^2 + 6 6 x^2 + 7 x - 3 = 0 (2x+3)(3x-1) = 0 x = 1/3 or -3/2
January 9, 2015

Math
(3x+1)/[2(x+1)(x-1)]+2(x+1)/[2(x-3)(x-1)] [(3x+1)(x-3)+(x+1)^2 ]/[(x^2-1)(x-3)] [ 3x^2-8x-3 +x^2+2x+1 ]/[(x^2-1)(x-3)] [4x^2-6x-2]/[(x^2-1)(x-3)] 2[2x^2-3x-1] / [(x^2-1)(x-3)]
January 9, 2015

math
along diameter 28/4 + 1 = 8 around semicircle pi D/2 = 14 pi = 14(22/7) = 44 meters or 11 spaces none at ends, already there, so 11-1 = 10 total of 18
January 9, 2015

History
... and it was Turkey, Greece and Iran in the Middle East by the way. ... and what about Eastern Europe - Poland, Hungary, etc
January 9, 2015

math
p pencil p - 15 = rulers 3(p-15) = books total = p + p - 15 + 3 p - 45 = 5 p - 60
January 9, 2015

math
yes 12+3 = 15 :)
January 9, 2015

U.S History
Google history of US presidential cabinet
January 9, 2015

Science - Please answer as soon as possible
I would pick b.
January 9, 2015

physics
weight down = mass times centripetal A down mass cancels, does not matter g = v^2/R
January 9, 2015

incomplete
You need to know the magnitude of the pulling force. If mass and coef of friction are given and the velocity is constant then it is horizontal force = F cos 30 = m g (mu-sin 30) W = F cos 30 * 20*10^3 J
January 9, 2015

LA - 1 question
1.
January 9, 2015

Geometry
A is your statement of the problem B subtract two from both sides C multiply both sides by 6
January 9, 2015

Social Studies help
If you look at the products on that tree, it looks like we all use coal in one way or another :)
January 9, 2015

Social Studies help
http://www.coaleducation.org/lessons/twe/bytree.htm
January 9, 2015

Math
29500 + .041*128500
January 9, 2015

Math
Yes cos = 0 sin = 1
January 9, 2015

physics
882 *3.8/9.8
January 9, 2015

Physics and Math
ball rolls distance 1 + x loss of height = (1+x)sin 30 = .5(1+x) loss of potential energy = 1*9.8*.5(1+x) gain of potential energy = .5 k x^2 = .5 x^2 so 9.8(1+x) = x^2 x^2 - 9.8 x - 9.8 = 0 x = [ 9.8 +/-sqrt(96+39.2)]/2 x = (9.8+/-11.6)/2 x = 10.7
January 8, 2015

Incomplete
So what is the question ?
January 8, 2015

MNHS_HELP
I drew 6 8*8 5*5 3*3 2*2 two 1*1
January 8, 2015

English
I suppose you could say the social context was very lonely, just the nut case and the poor old man. In other words isolated.
January 7, 2015

Physics
m g sin theta 4 * 9.81 * (1/2) about 19.6 N
January 7, 2015

Science
Yes, in fact it was Thorium.
January 7, 2015

Science
it depends on what medium to what medium. Fastest in a vacuum
January 7, 2015

Math
yes, with some left over.
January 7, 2015

math
1260 miles (6 gallons/180 miles) = ?
January 7, 2015

Math
there are more 81 s than anything else
January 7, 2015

Math
I assume you mean: -x^2/4 + 9 x/5 + 2 = y complete the square first multiply by -4 x^2 - 36 x/5 - 8 = y x^2 - 36 x/5 = y+8 x^2 - 36 x/5 + (18/5)^2 = y + 8 + 12.96 (x-18/5)^2 = y + 20.96 so vertex at ( 3.6 , -20.96)
January 7, 2015

adding and subtracting rational
(11*8)/(15*8) + (1*15)/(8*15) = 88/120 + 15/120 = 103/120
January 7, 2015

Physics
infinitely fast, constant acceleration forever m a = m * 9.81 * sin 10.3 so a = g sin 10.3 = 9.81 sin 10.3 so v = (9.81 sin 10.3) t v is proportional to time, forever
January 7, 2015

physics
(T-30)(10 kg) (heat capacity of water) = 5000
January 7, 2015

physics
m v^2/r = m g so m cancels of course, has to be the same no matter how many in the car :) v= sqrt (r g)
January 7, 2015

Physical Science HELP
Zn + I2 ---> ZnI2 the end
January 7, 2015

Math
I assume x/(x^2-3x-4) - 4/(x+1) ????? x/[(x+1)(x-4)] - 4(x-4)/[(x+1)(x-4)] -3x+4 /[(x+1)(x-4)] blows up if x = -1 or x = 4
January 7, 2015

algebra 2
(x+4)(x-1) = 0 y = x^2 + 3 x - 4
January 7, 2015

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