Thursday

October 23, 2014

October 23, 2014

Total # Posts: 1,528

**Math - PLEASE**

I roll twelve 4-sided dice. What is the probability that I roll at least one 2? What is the probability that I roll exactly three 2s? i dont knowm sorry the same question was answered by Economist at 4:59
*March 29, 2007*

**Math - Statistics**

I roll 12 4-sided dice. What is the probability that I roll at least one 2? What is the probability that I roll exactly three 2s? So i take it, on any give roll, the probability of rolling a 2 is .25 (25%); the probability of rolling something else must be .75 The probability ...
*March 29, 2007*

**science**

For the following crystals, explain how their melting points are related to the bonding forces and the crystal structure. a)Copper,Cu b)Water,H20 c)Sodium chloride,NaCl d)Diamond,C (Broken Link Removed)
*March 25, 2007*

**math**

find all solutions in the interval [0,2 pi) sin(x+(3.14/3) + sin(x- 3.14/3) =1 sin^4 x cos^2 x Since sin (a+b) = sina cosb + cosb sina and sin (a-b) = sina cosb - cosb sina, the first problem can be written 2 sin x cos (pi/3)= sin x The solution to sin x = 1 is x = pi/2 For ...
*March 22, 2007*

**math**

tan (u-v) given sin u=3/4 and cos v= -5/13 with U and V in quadrant 2 Use the identity tan (u-v) = (tanu tanv)/[1-tanu tanv) Get the values of tanu and tanv from the sines and cosines that you are given. For example, if cos v = -5/13, sin v = 12/13 and tan v = -12/5 (in the ...
*March 22, 2007*

**social studies**

what do people who live in mozambique wear on their day to day activities http://www.google.com/search?source=ig&hl=en&q=mozambique There are all kinds of sites to sift through here. If you find nothing, you might try refining the search to mozambique everyday clothing. =)
*March 6, 2007*

**Science**

What is the smallest part of a compound?
*February 20, 2007*

**drugs**

Help! An inhalant is not a stimulant or a depressant. So... what is it then?????? Puh-leaze help me! My grade this term counts on it. What kind of inhalant? We inhale many things -- dust, illegal drugs, legal asthma medications, pollen, etc. Please clarify your question. ...
*February 19, 2007*

**Health (drugs)**

I know that inhalants aren't either a stimulant or a depressant. So what are they? Thank you for using the Jiskha Homework Help Forum. Here is a site from the government explaining inhalants: http://www.nida.nih.gov/Infofacts/Inhalants.html thanks, but I couldn't find ...
*February 19, 2007*

**Gauss' Law!!!!!!!!!!**

Can any one help me for this problem? The cube in Figure 23-27 has edge length 1.40 m and is oriented as shown in a region of uniform electric field. Find the electric flux through the right face for the following electric fields, given in newtons per coulomb. (the figure is ...
*February 14, 2007*

**American Government**

Does it matter if the Federal government or the state governments get to decide if the Federal government exceeded its authority? If yes, how? If the federal government decides if it has exceeded its authority, then obviously it's going to decide that it hasn't. The ...
*February 9, 2007*

**Plz Help Physics**

We know that the negative charge on the electron and the positive charge on the proton are equal. Suppose, however, that these magnitudes differ from each other by 0.00011%. With what force would two copper pennies, placed 1.4 m apart, repel each other? Assume that each coin ...
*February 4, 2007*

**spelling**

you rock people who gave all the answers to me i have to go bye!!!!!!see you next time and i am definently coming back to this awesome website bye!!!!
*January 16, 2007*

**english (especially for Writeacher)**

Lynch, T. (1996). DS9 trials and tribble-ations review. Retrieved October 8, 1997, from Psi Phi: Bradley's Science Fiction Club We b site: h t t p: / /w w w .bradley. edu /campus org/psiphi/DS9/ep/ 503r . html ... and this will go immediately after the quotation or ...
*December 21, 2006*

**english**

How do you cite a website in a paper? I know it is in parentheses, but that is pretty much all I know. citing websites (Broken Link Removed) http://www.jiskha.com/display.cgi?id=1166411079.1166414090 So are you saying I should put all of this: Lynch, T. (1996). DS9 trials and ...
*December 19, 2006*

**Physics**

if ur on about somthing else sorry but there are 1000grams im a killogram
*December 8, 2006*

**science**

these are my homework questions can you answer any???there are 4 1 A pupil placed some magnesium in a gas jar of oxygen How could the rate of reaction between these substances be increased 2 Complete the word equation for the reation magnesium and oxygen 3 How does the colour ...
*November 29, 2006*

**math**

what is an example of a positive corralation using a scatter graph? please help!!!!!!!!!!!!!!!!!!!! I don't know how to place that image in this reply. However, I will try to describe it. If both the abscissa (horizontal or X axis) and the ordinate (vertical or Y axis) ...
*November 29, 2006*

**History**

What problems did the Israelites face when they returned to Canaan? This is a religious, rather than a historic question. Please check your book or the Bible for the answer your teacher expects. As there is no physical historical evidence for Any of the events in the bible, ...
*October 24, 2006*

**music scales**

Hi, I need to play scales for my orchestra grade throughout the year. Is there an online site that has the (actual) scales on it along with the arpeggios? Thank you so much for your help. (The 12 major scales) I think this site will help you with that. http://www.8notes.com/...
*October 19, 2006*

**nucleus true facts**

Wow, BRANDON. You have absolutly NOOOOOOOOOOOOOO LIFE WHAT SO EVER. Ha, little boy. c[:
*October 4, 2006*

**pre-calculus**

pi*(200^2)^2
*October 3, 2006*

**Math**

A train track is 5280ft. long. After adding another foot of track, an arc is created. What is the height of the arc and how would i measure it? FIND THE LEAST COMMON MULTIPLE OF 6,9 The maximum height is given by [2640(5280) + h^2 = [2640(5280) + 0.50]^2^2 making h = 1.94 ft. ...
*September 28, 2006*

**Physics**

A rock is dropped from a height of 100m. a) how long does it take to fall the first 50m? b)How long does it take to fall the last 50m? Which equation would I use to solve this problems with? For a) use s=(1/)g*t^2 where s=50m and g=9.8m/s^2 and solve for t. For b)use s=(1/)g*t...
*September 19, 2006*

**english**

perks of being a wallflower. Does anyone know any symbols in that book? email or respond:
*September 6, 2006*

**math**

Thank goodness for this site! Two questions: first: in the 1990 U.S. census, the final count was 248,709,873 people. The general population is estimated to have been undercounted by 1.8%, that is, only 98.2% of the people were counted. If this were the case, what was the ...
*August 28, 2006*

**World Civilizations**

What evidence suggests that Roman society was more stable during the time of republic than it had been during the time of the empire? http://www.infoplease.com/cgi-bin/id/ipa/A0001206 At the above website, be sure to read the section on Rome before Augustus as well as the ...
*June 29, 2005*

**history**

hey i needinformation on sioux american indiands i need a syte wi everyfin on it b4 2moz :( im gona fail mi project plzhelp These sites have a lot of information about the Sioux nation. http://www.crystalinks.com/sioux.html (Broken Link Removed) tell me about iandiands in the ...
*June 22, 2005*

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