Questions Asked on
September 23, 2007

math
This is a statistics problem. A laboratory test for the detection of a certain disease give a positive result 5 percent of the time for people who do not have the disease. The test gives a negative result 0.3 percent of the time for people who have the
asked by Anonymous 
Physics
I have some physics problems that I would like to get checked please?
asked by Jesse 
please help meDr.Bob
I would appreciate very much If you guys could show me how to approach this problem. A solution is prepared by dissolving 10.8g of ammonium sulfate in enough water to make 100.0mL of stock solution. A 10.00mL sample of this stock solution is added to
asked by claudia 
government
these are some questions i am having trouble with: 1. what margin is required to ratify treaties 2. where in the constitution is the ratification power described 3. what body has the power to impeach the president 4. what vote is required to impeach 5.
asked by Al 
Physics
The water used in many fountains is recycled. For instance, a singel water particle in a fountain travels through an 85 m system and then returns to the same point. What is the displacement of a water particle during one cycle? I don't know where to start.
asked by Corin 
math
ok i have another question.. in the square qrst and line qt is congruent to line ts and line rs is congruent to line ts, what is x? line qt=1/2(14x+8) and line rs= 6x+8 what is x?
asked by jordan 
math(geometry)
find a counterexample for the following statement. If a number is divisible by 5, then it is divisible by 10. What is the counterexample of that statement?
asked by jordan 
genetics
Assume that a cross is made between AaBb and aabb plants, and the offspring occur in the following numbers: 106 AaBb, 48 Aabb, 52 aaBb, 94 aabb. These results are consitent with which arrangement of genes?
asked by stew 
physcis
in order to determine the width of a river, a base line of 100 ft is marked off on one side. On the other side of the river is a large rock. When sighted from each end of the base line it is found that the lines of sight make angles of 60 degrees and 75
asked by Casandra 
Physical Science
My homework is to do some exercises on the Foucault Pendulum. I'm stuck on several of the problems. One is to find the approximate angle of rotation of the earth in one day at our latititue, which is 39.9. I found the equation n = 360 sin of latitude, but
asked by Beth 
math
4th grade math homework. rounding sums and differences. paper say "round each number to its highest place. then estimate the sum or difference." example says 92 +28= then says round to 90 and 30 to make 120. further down numbers get larger 12646 + 9103= do
asked by tyler 
French for Mischa
PRESENT TENSE OF REGULAR ER VERBS: NEGATIVE AND NEGATIVE INTERROGATIVE: NEGATIVE: I am not playing, I do not play je ne joue pas nous ne jouons pas tu ne joues pas vous ne jouez pas il ne joue pas ils ne jouent pas elle ne joue pas elles ne jouent pas on
asked by SraJMcGin 
Chemistry 2
If 2.0 mol of NO and 1.0 mol Cl2 are placed into a 1.0L flask, calculate the equilibrium concentrations of all species
asked by Hillary 
French for Mischa
PRESENT TENSE OF REGULAR ER VERBS: INTERROGATIVE: am I playing? do I play? I play? INVERTED FORMS estce que FORMS         estce que je joue? jouestu? estce que tu joues? jouetil? estce qu'il joue? jouetelle? estce qu'elle joue?
asked by SraJMcGin 
american lit ap
what is the tone of the scarlet letter and where can i find a quote from the book?
asked by jamie 
PE Modified
What is energy that is immediately required for short periods of time by using stored glycogen as a source of fuel? I've looked all through the packet [which serves as my book] and still cannot find a single thing about any part of this question...
asked by anonymous 
Trig/Physics
A car's wheel (with tire) is 26 inches in diameter and its center is 12 inches above the road. If the car is traveling at 60 feet per second, how fast is the highest point of the tire moving relative to the ground?
asked by Vash 
French  Final checking
Today we made the quiche and we didn't follow the steps exactly because we bought pie crust instead of making it so that omitted a lot of steps. I tried to simplify this as much as possible. I had a difficult time with some of the instructions because the
asked by Anonymous 
Social Studies (Last minute Help please)
Hey. I have a social studies project due tomorrow morning, its 840 pm. It's about Prehistory in Pop Culture. Using things from prehistoric time in modern day. I need some ideas to put on the poster. Besides Geico Cavemen ad and Fruity Pebbles.
asked by Dallas 
MEDIA & HISTORY
Can someone provide me with a good website that contains information for the following: I have to identify the major differences between advertising and public relations and it has to include the strategies developed by Ivy Ledbetter Lee and Edward
asked by student A 
math fifth grade
this number is a factor of 48. this number is even. this number is a multiple of 6 the sum of the digitsof this number equals 3
asked by Randall 
French for Mischa
Do you have a French name for class? My favorite would be "Miche" for you! What do you think? Today I'd like to tell you about TPR or Total Physical Response. We did a lot of that in class but you can do some things at home as well. For example, for
asked by SraJMcGin 
French for Mischa
PRESENT TENSE OF AVOIR AND ETRE: avoir = to have AFFIRMATIVE INTERROGATIVE I have, I do have, have I? do I have? I am having j'ai nous avons aije? avonsnous? tu as vous avez astu? avezvous? il a ils ont atil? ontils? elle a elles ont atelle?
asked by SraJMcGin 
Math
One integer is 4 more than a second integer. Three times the first integer when added to two times the second integer is less than 23. Determine the largest possible values of the two integers.
asked by Jessica 
Chemistry
0.658 g of potassium bromate and 0.562 g of silver nitrate are added to 388 mL water. Solid silver bromate is formed, dried, and weighed. What is the mass, in g, of the precipitated silver bromate? Assume silver bromate is completely insoluble. I've
asked by Raj 
Think A Gram
Can anyone tell me where this is suppose to lead our thinking?? ... 2:47 pm .... UR Hand .... Hand ... That is all the info ... Any assistance would help defrazzle this brain!! ... Thank you in advance ..... mom
asked by Mom 
Chemistry
How do you know when to put roman numerals into formulas of binary compounds?
asked by TBW 
Integrated science
An insect inside a bus flies from the back toward the front of the bus at 3m/h. The bus is moving in a stright line at 40m/h. What is the speed of the insect? Show you work. I was woundering if someone could help me find the math for this problem? But I
asked by John 
math
A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter.
asked by mara 
Physics Concept
2 cars are moving in same direction in parallel lanes along a highway. At some instant velocity of car A exceeds car A exceeds the velocity of car B. Does that mean that the acceleration of A is greater than car B? Explain. ~Well I would say yes but is it
asked by ~christina~ 
physics
A 6 kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 1 m/s2, find the force exerted by the rope on the bucket of water.
asked by hannah 
Geography/Sci
There are many climate zones, but my sci book has the main ones. BUT my homework was to find info on the one I'm researching. Do you know any websites that will tell me about California's climate zone? (Brown zone in Mcgraw Hill Books)
asked by Sarah H. 
chemistry!!!Need helpp!!!
Acid base Chenistry Homework help!? Histidine was electrophoresed in polyacrylamide at pH 6.0 with alanine (pI=6.0) and arginine (pka's 2.2, 9.0, and 12.5). At the end of the experiment, arginine had migrated toward the cathode 6.0 cm, alanine was still at
asked by Mae 
English(Clauses and Sentences)
I need help with this... One Sunday, when half of us including my father  were at work, the restincluding myself  were in the block, taking advantage of the chance to stay in bed late in the morning. These are my guesses... 23. Isolate the dependent
asked by Sonic 
math help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The smallest abundant number?
asked by Ben 
AP English
I have to write an essay using the assertion "Man is his own worst enemy" I support this statement but I need examples that are tangible and valid what are examples of this ?
asked by Sherri 
Pre Algebra HELP
please help don't get it when it sayuse the distributive propetyto rewrite the expressionand then has 10(2+y+z)
asked by allyson 
Micro Economics
The Production Possiblilties Curve shows that when an eceonomy is acting at its full petential it will be poducing on a point just beyond the Curve. ture or false. Why?
asked by Justin 
Business Math II
Photography  Two men and a woman are lined up to have their picture taken. If they are arranged at random, what is the probability that (A) the woman will be on the left in the picture? (B) the woman will be in the middle in the picture?
asked by Dan 
Math
A first time car buyer is looking for a good used car to purchase. In addition to the cost of the car, there is a licensing fee of $140 and sales tax of 10% of the cost of the car. If the buyer only has $6740 to spend, what is the most expensive car that
asked by Jessica 
Math
Jim can fill a pool carrying bucks of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together?
asked by Jen 
math
show that 3/2 and 1/3 are roots of the quadratic function y=6x2(squared) 7x 3
asked by adrian 
english
what issues does the novel strange objects written by gary crew raise?
asked by daniela 
Math
I'm in gr 11 doing Trigonometry 14.2 = b   sin38 sin 67 a = 46   sin20 sin130 (10.7)^2 = (9.5)^2 + (12.4)^2  2(9.5)(12.4) cos
asked by Louis 
Pre algebra
f(g+3+h)
asked by allyson 
AP Chemistry
My objective is to find the molar mass of a gas. Is this the correct balanced equation for magnesium ribbon reacting with hydrochloric acid to form hydrogen gas? 2Mg (s) + 2HCL (l) > H2 (g) + 2MgCl (aq) Also, I'm required to find the mass of the
asked by Jake 
science
I need help finding imformation on what organisms have been affect in china by its co2 output from cars and coal usage...
asked by Maggie R. 
science
where can i find a wesite with all acid and alkali that you can find round your house?
asked by emily 
spanish
I would like help to pluralise the following. La casa es alto. El chico es bonita. La bolsa es bonita. Mi libro es interesante. Mi regla es blanca.
asked by charle 
AP USHistory
In what ways does the movie "National Treasure" relate to the formation of the new American Nation? Thanks for explaining.
asked by Kiev 
human services
In a essay i did on homeless i stated i feel police should be bring homeless to sfae sheltrers instead of writing them tickets for sleeping in a park. how can this solution be affected by social policies or government regulations? any one have any ideas
asked by jean 
human services
one more thing...What are some new programs or services we have in helping protect eh homeless from the cold and violence of this world?"
asked by jean 
slope of tangent line
the sl0pe of the tangent line to the graph of the exponential function y=2^x at the point (0,1) is lim(x>0)(2^x1)/x. estimate the slope of three decimal places. f'(x)=2^x. what do i do. we have to solve this without using derivative. i keep getting zero.
asked by Anonymous 
AP English
Man is his own worst enemy. How can prove this is true and what are examples of this? please help
asked by Sherri 
math
i need to make a clock using the same interger
asked by sue 
Marh
Simplify and state the restrictions. a)6m^2  2m  4  4m^2  4 b)2a^2 + 5a  3  2a^2  7a + 3 PLEASE SHOW STEPBYSTEP
asked by anonymous 
Chemistry
A 35 mL solution of HCl, reacts completely with 20 mL of 0.25 M KBr. What is the molarity of the HCl solution?
asked by Raj 
English
What kind of literary devices in Kiss and Tell produce a comic effect?
asked by 565 
Physical Science
In the equation length = t^2 * g/(2PI)^2, what do the symbols ^, *, and / represent?
asked by Beth 
Hon. Lit.
What are the most significant chapters of Stephen Crane's work "Maggie"? I know that the first two are because the protagonist and antagonist are introduced. Thanks.
asked by Mjorie 
physcis
a flag pole is 1ooft from an observer who sights the top of the flag pole to be at an angle of 50 degrees from the horizontal. How high is the flagpole
asked by Casandra 
english
what the heck is a actecedent?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
asked by katie 
Physics
If a cart and rider are pulled with a constant force of 74.0 N, and the friction force is 29.0 N, how fast will the cart and rider be traveling after 8.70 seconds? Thanks a lot!
asked by Scott 
EASY PHYSICS
WHAT ARE EQUIPOTENTIAL LINES?
asked by AL 
English
How would you paraphrase this aphorism? A little neglect may breed mischief,for want of a nail the shoe was lost,for want of a shoe the horse was losted,for want of a horse the rider was lost, for want of the rider the battle was lost.
asked by jen 
Thermodynamics
I am doing a lab and there is one question I can't get. We have the enthalpy of fusion of crystalline polyeythlene, mass, onset temperature and energy required for a phase change of both low density polyethylene and high density polyethylene. They as to
asked by Tracy 
Science( Physics[ Kinematic eqzns])
Can the Kinematic equations be used if the acceleration is = to zero? ~I know that they can only be used if the acceleration is constant but would zero constitute a constant? I'm not sure about this...because zero would mean that there is no acceleration
asked by ~christina~ 
maths
How far does a train travel going at 20mph for 45 seconds? And har far will it travel at 13mph for 58 seconds? Thanks
asked by grant 
English
Could you Please help me punctuate this paragraph. on his way home from school tom found a bag on the ground is this bag yours he asked tara no its not my bag I left mine at school I think it might be emma's bag because hers is blue and green tom laughed
asked by Robert 
math
determine the quadratic function whose graph contains the points(2,1), (1,0), and (3,0).
asked by adrian 
Reposted Question /Reading & Writing and exposure
I have asked this question and was told to use my own judgement because either answer could be correct. I can only select one answer. I am reposting the question in hopes that someone else can give me some input. Hannah's mother said, "Hannah is such a
asked by Anonymous 
science
i need help with these questions because i need to write a report on it helpp please What are the implications of stem cell reasearch for today and future generations What are stem cells? What are they capable of? How are they used in science/ medicine
asked by chelsea 
math
The number of feared Pythagoreans
asked by Ben 
science
What property is changed when in skim milk is made?
asked by Alex 
math
The number of feared Pythagoreans?
asked by Jet 
help
The number of days in a lunar?
asked by Ben 
english 11
I need help finding out if i underlined the correct words that are nouns. If you wouldnt mind helping could you tell me what words are nouns so i know if i did it right? 1)The time was running out on the contest. 2)Even when she took the cold medicince,
asked by Tara 
grammar
Dangling Modifiers If your baby does not like cold apple juice, it should be heated. Your answer: 1. Dangling Modifiers When they are fresh, eating oranges can often keep away the cold virus. Your answer: 2. Predication Our plans for tomorrow should begin
asked by Dianna 
Grammar
For an APA paper, the title I have chosen is Art Through the Ages. Should the word "through" be in caps?
asked by Janna