Sunday

May 1, 2016
Total # Posts: 26,148

**PHYSICS**

Well, I suppose, but only in the sense that it is hard to change the direction of the axis of rotation. A bicycle is also stabilized by the rotation of the tires. The faster the spin, the more torque is needed to turn or tip the wheels. (torque = rate of change of angular ...
*January 11, 2016*

**math**

Do you mean the distributive property of multiplication? http://www.mathsisfun.com/definitions/distributive-law.html
*January 11, 2016*

**HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

For the Mayan one you only need the title
*January 11, 2016*

**HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

http://www.tulane.edu/~woodward/olemiss.htm
*January 11, 2016*

**HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

http://www.motherjones.com/rights-stuff/2011/01/no-haiti-no-louisiana-purchase
*January 11, 2016*

**HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

http://www.gilderlehrman.org/history-by-era/imperial-rivalries/timeline-terms/encomienda-system-established
*January 11, 2016*

**HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

http://mayantimeline.blogspot.com/p/science-and-technology.html
*January 11, 2016*

**HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

Miranda, I would be happy to help if you demonstrated any sign of having read about this at all. Please Google the subjects if you do not have a text book. It would do more harm than good for me to just tell you my answers. This is not even my subject.
*January 11, 2016*

**HISTORY HELP ME FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

Hey, you try first, then we help if needed. I do not needed for most of them. The Maya one is pretty funny !
*January 11, 2016*

**algebra**

fn = a + d(n-1) f(7) = a + 6 d = 72 f(10) = a + 9 d = 90 so 3 d = 90 - 72 = 18 d = 6 a + 6*6 = 72 a = 36 so our sequence is f(n) = 36 + 6(n-1) f(2) = 36 + 6(1) f(2) = 42
*January 11, 2016*

**incomplete**

into what size sections?
*January 11, 2016*

**Math**

well, I suppose the length of the rectangle (L = d = diameter is twice the width (r = radius) so 2 r + 4 r = 30 6 r = 30 r = 5 cm 2 pi r/2 = 5 pi of course the base of the semicircle is another 2r or 10 cm so if that counts we have 5 pi + 10 for the entire perimeter of the ...
*January 11, 2016*

**Physics**

F = m a .6 = m (.4) m = 1.5 kg .9 of that is the trolley so add: 1.5 - 0.9 = 0.6 kg
*January 11, 2016*

**Algebra 2**

(5-0) / (1+8) = (y-5)/(x-1) plug and chug
*January 11, 2016*

**Physics**

v = Vi + a t 0 = 20 + 5 a a = - 4 m/s^2
*January 11, 2016*

**basic technology**

100 kg * 9.81 m/s^2 * 6 m = 5886 Joules
*January 11, 2016*

**math - for example**

http://www.quora.com/Is-0-divisible-by-0
*January 11, 2016*

**No kiran, be careful**

0/0 is not zero. It is undefined.
*January 11, 2016*

**math**

division of anything by zero is undefined.
*January 11, 2016*

**geography**

6/24 = 1/4 1/4 of the way around the earth, westward of Greenwich England 360/4 = 90 degrees West Well, I am at 70 on Cape Ann, so about 1200 miles west of me. Mark Twain country.
*January 11, 2016*

**us history**

Yes.
*January 10, 2016*

**us history**

Yes
*January 10, 2016*

**us history**

Are you only allowed to pick one? http://www.landofthebrave.info/middle-colonies.htm No gold,few slaves but area was known as a breadbasket and indeed shipbuilding was major.
*January 10, 2016*

**Math**

Hey, what do you think ?
*January 10, 2016*

**Math**

Hey, do it the easy way, find the x axis intercept where y = 0 and the y axis intercept where x = 0 for each line. by the way #9 is a typo. Perhaps x = y ?
*January 10, 2016*

**us history**

I believe that you are correct.
*January 10, 2016*

**english**

A - dead B - dead c - transported D - likely dead
*January 10, 2016*

**maths**

A -- 1 tank/ 12 h = .08333 tank/hr B -- 1 tank/ 15 h = .06666 tank/hr C -- 1 tank/ 20 h = .05000 tank/hr time t hours .08333 t + .06666(t/2) +.05000(t/2) = 1 tank .14167 t = 1 t = 7.06 hours
*January 10, 2016*

**Physics**

How long to do 2 pi radians ? (a full circle) 1.06*10^-7 t = 2 pi t = 5.93 * 10^7 seconds how many seconds/day 1 day = 24*3600 s = 86400 s = 8.64*10^4 s 5.93 *10^7 / 8.64*10^4 = 6.86 * 10^2 days = 686 days
*January 10, 2016*

**dips international Jalandhar**

(360 km / 6 hours) * 9 hours = 540 km
*January 10, 2016*

**MATHS**

the slope of your line is 1/4 so the slope of any line parallel to it is 1/4 the slope of a line perpendicular to it is -1/(1/4) = -4
*January 10, 2016*

**Physics**

energy before hit = m g h = .2 * 10 * 20 = 40 J energy after hit = 10 J m g h = 10 2 h = 10 h = 5 meters
*January 10, 2016*

**maths**

Do you know how to copy a triangle congruent to the one in front of you? If you do that, you have your angle :) http://www.wikihow.com/Construct-Copy-of-a-Triangle
*January 10, 2016*

**mathematics**

sin Theta = 1/2 Theta = 30 degrees ( Very unsafe )
*January 10, 2016*

**physicss**

I can not be more mathematical than to say if you double the distance you divide the force by 4 2^2 = 4
*January 10, 2016*

**physicss**

force inversely proportional to distance squared (1/4)5 You can only do the second part if you know that the charges are equal. then as you pointed out Q^2 = 5/k
*January 10, 2016*

**math**

maybe sin (theta/2 ) = r/h
*January 10, 2016*

**Math!!!**

.78 http://stattrek.com/online-calculator/normal.aspx
*January 9, 2016*

**science**

Nah, how about oxidation of a hydrocarbon, particularly combustion? http://www.intel.com/content/dam/www/program/education/us/en/documents/project-design/react/react-presentation.pdf
*January 9, 2016*

**Math**

41.25/75 = 0.55 = decimal fraction of original price 0.55 * 100 = 55 % = percent of original price 100 - 55 = 45% = percent discount off original price
*January 9, 2016*

**Math**

You are welcome.
*January 9, 2016*

**Math**

1-0.40 = 0.60 0.60 * 475 = $285
*January 9, 2016*

**Maths**

c = a + n k 820 = a + 80 k 1040 = a + 124 k -----------------subtract -220 = -44 k so k = 5 820 = a + 80*5 = a + 400 a = 420 so c = 420 + 5 n if n = 180 then c = 420 + 80(180) c = 420 + 14,400 c = 14,820
*January 9, 2016*

**Geography**

If they drop their languages and customs and take up yours, they are more likely to be assimilated.
*January 9, 2016*

**Geography**

That is what your paragraph says.
*January 9, 2016*

**Maths**

11/x - 6/x = 3-3 5 = 0 x x = 5/0 which is undefined
*January 9, 2016*

**Algebra**

You are welcome.
*January 9, 2016*

**Algebra**

yes, y is 8 but it asked for z z = y-3 = 5
*January 9, 2016*

**Algebra**

3 cent = x 12 = y 15 = z x = 3 y z +3 = y 3 x + 12 y + 15 z = 243 3 (3y) + 12 y + 15 (y-3) = 243 get it ?
*January 9, 2016*

**Social Studies**

So what was number 1?
*January 9, 2016*

**Social Studies**

I guess so: http://www.pinterest.com/pin/520095456946189750/
*January 9, 2016*

**Social Studies**

Inuit dried tea leaves????
*January 9, 2016*

**Social Studies**

3.which groups make up Canada aboriginal population (select three) a.Quebecois**** NO WAY !!!!
*January 9, 2016*

**Geography**

what does this have to do with religious fundamentalism for example?
*January 9, 2016*

**Geography**

Sounds like a hierarchy to me.
*January 9, 2016*

**Who knows?**

We do not see your drawing.
*January 9, 2016*

**History. Please Help!**

You 2 b answer amuses me though because I am from Massachusetts.
*January 9, 2016*

**History. Please Help!**

I do not think so.
*January 9, 2016*

**History. Please Help!**

http://www.georgiaencyclopedia.org/articles/history-archaeology/mary-musgrove-ca-1700-ca-1763
*January 9, 2016*

**History. Please Help!**

1. No No No !!!!! wrong end of the continent
*January 9, 2016*

**Geography**

Yes.
*January 9, 2016*

**Physics- just verfiying an equation**

m r omega^2 is exactly the same as m v^2/r but the second may be an easier way to understand it. remember v = omega * r where v is tangential velocity (along the circumference if a circle)
*January 9, 2016*

**Math**

15 (77.28/4)
*January 9, 2016*

**Math**

4.5 hours 180 miles speed = 180/4.5 miles/hour
*January 9, 2016*

**English**

Please use one name and look up the Bill of Rights.
*January 9, 2016*

**English**

Go ahead. I will stick to quoting the Fourth.
*January 9, 2016*

**English**

The Fourth Amendment to the Constitution of the United States. Google Fourth Amendment
*January 9, 2016*

**English**

4. The right of the people to be secure in their persons, houses, papers, and effects against unreasonable searches and seizures shall not be violated and no warrant.....
*January 9, 2016*

**math10**

.9*.9 = .81 19%
*January 9, 2016*

**history**

They kept everyone out but a few Dutch traders. They particularly evicted the Catholic missionaries. It was the United States that finally opened the country up, and they did not have imperialistic motives. They adopted modern weaponry from the West as soon as they saw it. ...
*January 9, 2016*

**math10**

can you do better than 3+2 </= 6 ?
*January 9, 2016*

**math10**

LOL a^2 - b^2 = (a+b)(a-b) so 23 - 408 = (sqrt(23) -sqrt....
*January 9, 2016*

**math10**

x = 2^100 log x = 100 log 2 y = 3^60 log y = 60 log 3 z = 10^30 log z = 30 log 10 which log is lightest?
*January 9, 2016*

**math10**

well if x = 0 that is 3
*January 9, 2016*

**math10**

that is always + because even power is + so if we find a plus x, its negative mate will also work x^6 + x = 7 x(x^5 + 1)= 7 if 0<x<1 no way if x = 2, way too big so between 1 and 2 1.2 ---> 4.18 1.3 ---> 6.12 So there is one between 1 and 2 that works, and its ...
*January 9, 2016*

**physics dimension**

I showed you what to do yesterday. Try it yourself and I will try to remember to come back and review.
*January 9, 2016*

**Science**

I guess they never heard of a sonogram :)
*January 9, 2016*

**science**

It is impossible to answer. The way sonar works is that you determine how far away a reflecting object is by the time the pulse takes to get there and back. Without giving the time between ping and return, the question is meaningless.
*January 9, 2016*

**Math**

Now you should be able to do this one with the methods I showed you. In fact, just solve it.
*January 8, 2016*

**Math**

34 is not 32 but the slopes are the same so they are parallel, never cross NO solution
*January 8, 2016*

**Math**

y = -(5/6) x + 4 and y = -(2.5/3) x +6 -(5/6) is equal to -(2.5/3) so these two lines are the same line. There is a solution for every x, an infinite number.
*January 8, 2016*

**physics dimention**

y has no units r is length h is length g is length/time^2 so we have length^3/time^2 but for force we need m a or mass *length/time^2 we have g in there. I suspect we need mass :)
*January 8, 2016*

**physics dimensions**

A length B length/time or velocity C length/time^2 or acceleration
*January 8, 2016*

**Math**

Whew, we agree :)
*January 8, 2016*

**Math**

slope = (4-3)/(8-6) = 1/2 1/2 = (-2-4)/(n-8) n-8 = -12 n = - 4
*January 8, 2016*

**Math**

8 am at 0 8:18 at 4.5 8:48 at 7.5 miles ??? 18 min = .3 hour 48 min = .8 hour in first .3 hours speed = 4.5/.3 = 15 mph in next .5 hours = speed = 3/.5 = 6 mph average speed for the whole trip = 7.5 miles/.8 hours = 9.375 mph
*January 8, 2016*

**Math**

initial value = Vi after one year v = .8 Vi after two years v = .8 Vi *.88 after three years v = .8 Vi *.88 * .88 = .61952 Vi 1 -.61952 = .38048 so 38.048 percent
*January 8, 2016*

**Math**

2.04 * 10^7 = x * 1.025 x = 1.990243902*10^7 = 19,902,439
*January 8, 2016*

**Math**

3 1/5 / x = 4 1/2 ???? 16/5 / x = 9 / 2 or 9 x / 2 = 16/5 9 x = 32 / 5 x = 32 /45 --------------------- check 3.2/(32/45) = 4.5 ???? 32/45 = 3.2/4.5 heavens to Betsy, it is true :)
*January 8, 2016*

**mechanics**

You can get all of this from the first problem I did for you. I am beginning to get irritated.
*January 8, 2016*

**Math**

You are welcome :) That was fun !
*January 8, 2016*

**Math**

NOW if m = -1/m' Then it the lines are PERPENDICULR and they ARE -1/3 and 3 so it is not only a parallelogram but a RECTANGLE
*January 8, 2016*

**Math**

Get it now? Opposite sides have the same slope. GRAPH it carefully. I saw it on my quick sketch before I calculated slopes
*January 8, 2016*

**Math**

HE = (5+1)/(-3+5) = 3 GF = ((2+4)/(6-4) = 3 LOL, sketch wins, they are parallel NOW top and bottom FE = (5-2)/(-3-6) = 3/-9 = -1/3 GH = (-1+4)/(-5 -4) =3/-9 =-1/3 caramba! paralleogram
*January 8, 2016*

**Math**

sketch graph. Looks like a parallelogram but hang on. Might even be a rectangle:)
*January 8, 2016*

**now now, I already did it**

Hey, hang on and scroll down
*January 8, 2016*

**physics**

LOL, I just did most of this in your problem below.
*January 8, 2016*

**physics**

I assume that you are doing this a significant r>>Re so that you can not assume a constant g. It is easiest to do this with potential energy ---> kinetic energy define potential energy zero at infinity that way it is always negative, the more negative the faster. That...
*January 8, 2016*

**Calculus @ Henry**

dV = surface area * dh so dh/dt = dV/dt/surface area = Q/area
*January 8, 2016*

**Algebra**

http://www.jiskha.com/display.cgi?id=1452283876#1452283876.1452284419
*January 8, 2016*