Friday
December 19, 2014

Posts by Jenny


Total # Posts: 1,256

AP Gov
what are two factors that increase presidential approval ratings and why? what are two factors that decrease presidential approval ratings and why?
February 14, 2008

Physics II
The heating element of an electric oven is designed to produce 3.3 kW of heat when connected to a 240-V source. What must be resistance of the element?
February 8, 2008

Physics
What is the diameter of a 1.00 meter length of tungsten wire whose resistance is 0.32 ohm (electrical resistance)?
February 8, 2008

math
What is the surface area of a pyramid?
January 31, 2008

Science Experiment
Directions: You are a medical researcher who has just "discovered" a new treatment for AIDS. Now you need to design an experiment to test its effectiveness. Using the follwoing questions as guidelines, plan your experiment. 1) What groups will you have in your study...
January 25, 2008

Science/ Experiment
Directions: You are a medical researcher who has just "discovered" a new treatment for AIDS. Now you need to design an experiment to test its effectiveness. Using the follwoing questions as guidelines, plan your experiment. 1) What groups will you have in your study...
January 23, 2008

Science
Directions: You are a medical researcher who has just "discovered" a new treatment for AIDS. Now you need to design an experiment to test its effectiveness. Using the follwoing questions as guidelines, plan your experiment. 1) What groups will you have in your study...
January 20, 2008

math research
does anyone know any good websites about the mathematician Euclid? Any websites besides wikipedia, PLEASE!! thanks
January 12, 2008

Life Science
Sally does an experiment with goldfish. She keeps one goldfish in a bowl and puts it under a lamp. She puts another goldfish in a bowl and puts it in the dark. After 24 hours she a has each one swim through a hoop. Which fish will most likely swim through the hoop first. The ...
January 7, 2008

Life Science
Would it make a difference if a baby goldfish was raised in the light or the dark? I don't think it would because it is not like goldfish can tan like humans and that can't get skin cancer I think.
January 7, 2008

Statistics
Thank you!! A survey of an urban university (population of 25,450) showed that 750 of 1100 students sampled attended a home football game during the season. What inferences can be made about student attendance at football games? Using the 99% level of confidence, what is the ...
December 19, 2007

Statistics
The seasonal output of a new experimental strain of pepper plants was carefully weighed. The mean weight per plant is 15.0 pounds, and the standard deviation of the normally distributed weights is 1.75 pounds. Of the 200 plants in the experiment, how many produced peppers ...
December 19, 2007

Spanish Research
How did the geography influence the emigration and exploration to Colombia and Venezuela? How did the indigenous people mix with the Europeans to contribute to the growth of colombia and Venezuela? PLEASE can someone help me with these questions... if you can show me a good ...
December 14, 2007

Math
How do you do cross cancellation in fractions?
November 26, 2007

maths pls help
I am having problems in mmeasuring.
November 21, 2007

Science
Compare and contrast sedimentary rocks that have a granular texture with sedimentary rocks that have a nongranular texture. I have worked on this, and this is a question following an experiment so it's kind of hard to explain. The rocks in the experiment were coquina ...
November 3, 2007

Science
I have worked on this, and this is a question following an experiment so it's kind of hard to explain. The rocks in the experiment were coquina limestone, sandstone, shale, melaconglomerate, and rock salt. Tell me if you think this is ok: The sedimentary rocks that have a ...
November 3, 2007

Science
Compare and contrast sedimentary rocks that have a granular texture with sedimentary rocks that have a nongranular texture.
November 3, 2007

science
If acid rain falls on people it burns their skin. What else does it do on people other than burn your skin?
October 21, 2007

grammar
Yes I say it is and instead of horrid shouldn't it be the most horrific.
October 21, 2007

social study
finance and killed alot of people
October 15, 2007

english
is the answeer a?
October 12, 2007

english
Break the shoes in thoroughly on short walks before going on an extended walk. which of the following is the best way to write the sentence? a)walks before b)walks,before c)walks.before d)walks.Before
October 12, 2007

enlgish
i think the answer will be a am i correct?
October 12, 2007

enlgish
today hikers prefer a shoe that is six feet high,is amde of leather,and thick sturdy soles. what correction should be made to this sentence? a)insert has before thick b)no correction is necessary
October 12, 2007

reading
ithink the answer is a?
October 12, 2007

reading
at the samt time many families haiving greater incomes can take basic shelter for granted and proceed to satisfying higher needs in housing. what correction should be made to this sentence? a)change can to must b)change the spelling of proceed to procede c)insert a comma after...
October 12, 2007

english
in finding its suppose to be find so it would be a
October 11, 2007

english
families with limited means are more interested in securing clean,safe,and resonably comfortable housing than to finding quaters that are especially psychlogically. a)change find to finding b)change the spelling to especially to especialy c)no correction is necessary
October 11, 2007

reading
families do not want,expect,or require dwelligs that is identical. a)change is to are b)no correction is necessary
October 11, 2007

english
it also effects the way in which one family relates to another,to the neighborhood, and to the community. which corrrection should be made to this sentence? a)change also to neverthless b)chage the spelling of nieghborhood to neighborhood. c)insert a comma after the way. d)no ...
October 11, 2007

english
i think it would be expectations desptie the single family house remain
October 11, 2007

english
in other words,essentially alll american families are upgrading thier housing goals and expectations.and the dominant housing remaining the single family house. the most effective combination of the sentences would include which of the following groups of words? a)expectations...
October 11, 2007

english
a)as a nation
October 11, 2007

english
sentence7:nevertheless,as a nation we are being more and more concerned with housing that does far more than support physical survival. if you rewrote sentence 7 beginning with housing that does far more than support physical survival the next words would be: a)as a nation b)...
October 11, 2007

science
it will be relaesed in the form of snow?
October 11, 2007

Physics
I asked a question concerning this a while ago, but now it's a little different... A student gets a cart that does not suffer drag. Now, though, the track is not leveled. How can I calculate the angle? The cart is on an inclined plane, then there is a pully, and a load. So...
October 9, 2007

Physics
There is no ramp involved... its just a cart on a flat table, and then a puly, and a load. Would gravity be pulling the load down, which would make the cart move? I still don't get how I would calculate the 'drag' (friction and air resistance) force. Here's my ...
October 6, 2007

Physics
This problem concerns a student that is attempting Newton's 2nd Law, but the cart does not run without friction. How do I calculate the drag force, givin the mass of the cart (7.6kg), the mass of the load (4.2kg), and the resulting acceleration (1.2m/s2)? I'd ...
October 6, 2007

Chem
I have another question concerning (S) & (R) enantiomers of Limonene. How would I compare the physical characteristics of the (R)-(+)-limonene and (S)-(-)-limonene? I guess I don't get how I can determine the physical characteristics of (S) from (R). Would they be the same?
October 3, 2007

Chem
How do I estimate the optical roation of an (S)-enantiomer if I know the optical rotation to the (R)-enantiomer? For instance, for limonene, after conducting an experiment, I got that the optical rotation for the (R)-enantiomer was 10, would the (S) be -10? Any help would be ...
October 2, 2007

Physics
Alright, thanks. I drew a tangent line and found the slope at t=6, and got 3.75 m/s as my instantaneous velocity. Just so I know... when do I have to take into consideration the linear equation governing horizonatal motion?
October 1, 2007

Physics
For a question in physics... I was told to draw a graph of vertical displacement, y, versus time, t, in 2sec increments from 0 to 1.8. What was given to me was: v_yo_= +10m/s v_xo_= +5m/s a_y_ = -10m/s^2 So I used the formula: y=vo+1/2at^2 I drew the graph, and got a parabala...
October 1, 2007

math
the sum of two numbers is 20. the greater number is 4 more than the lesser. what are the two numbers? write the equation.
September 20, 2007

Chem
I posted this yesterday, I was wondering if anyone could still help me... When doing an acid-base extraction, there are certain rules when chosing the solvent that is to be used in extraction.. one being that it should have a low boiling point. I understand this to be so that ...
September 18, 2007

Org Chem
When doing an acid-base extraction, there are certain rules when chosing the solvent that is to be used in extraction.. one being that it should have a low boiling point. I understand this to be so that the solvent (in this case, ethyl) can be removed rapidly from the compound...
September 17, 2007

Maths
thank you lots.. yeah I asked my older brother and he didn't have a clue :)
September 14, 2007

Maths
38, 39, 40, 41, 190, 240, 241 What is the next number> Does anyone know where I can learn about breaking this type of code online somewhere pls?
September 14, 2007

Social Studies
Oh well I should do more research on it but thank you!
September 5, 2007

Social Studies
It negative because it could put other businesses out of stock and the government and do anything about it and the benefits is that the government can't interfere with your business so you will be making a lot of money I hope this proves that I know some benefits and ...
September 5, 2007

Social Studies
What are some negative and positives of capitalism? I have some answers but I want to hear more
September 5, 2007

Algebra
(3*10 to the second power)(1.5*10 the the negative fifth power) SCIENTIFIC NOTATION: 4.5*10 to the negative third power My question is what is the standard form I got 4500 but if I look closely at the problem I don't think that's possible please tell me if 4500 is ...
September 5, 2007

Maths
the answer is 900weighs about1800.
August 27, 2007

math
the largest integer that is not the sum of two or more different primes My guess would be 3 if I interpret your question correctly.
May 25, 2007

math
the smallest number of people in a room where the probability of two of them having the same birthday is at least fifty percent Please post under one name. The smallest class where the chance of finding two people with the same birthday is 50% or more is... a class of 23 ...
May 25, 2007

geography. help.please. ASAP
What are 2 characteristics of ecozones that make them useful? pleaseee help. thanksss http://en.wikipedia.org/wiki/Ecozone
May 23, 2007

social studies
what are the relations between Christians, Muslims, and Jews today? How might these relations have been affected by events in the Middle Ages of Europe? please help me That first question is not one that has an easy answer. Here are search results that show how complex the ...
May 14, 2007

Geo.
The climate regions in Canada Describe the main characteristics of each region. -Pacific Maritime -Cordilleran -Prairie -Boreal -Taiga -Arctic -Atlantic Maritime -Southeastern pleaseeee help. http://www.wildaboutgardening.org/en/growing/section3/ecozone_map/index.htm Thank you...
May 9, 2007

US Gov't
Explain the legal basic for the dederal courts jurisdiction over cases. Explain the different kinds of cases that can be heard by dederal courts Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete ...
May 3, 2007

math
can I any one help me to find a formula to calculate 401K plans for my project? Thanks Compound Interest With compound interest, the interest due and paid at the end of the interest compounding period is added to the initial starting principal to form a new principal, and this...
April 30, 2007

US Goverment
1. how can the House rules committee be passed? 2. How Congress has become more indidualistic? I don't really understand your first question -- but I'm sure you'll find what you need in this site. http://www.rules.house.gov/ Congress has become more individualistic...
April 20, 2007

Geo project. help.
I am suppose to create a power-point presentation on ONE of the following Canadian Landforms:Canadian Shield, Appalachians, Western Cordillera, Arctic Islands, Interior Plains, Great Lakes-St.Lawrence lowlands. My question is which one should I pick? Which one has the most ...
April 16, 2007

chem
the mass of the test tube is 20.1 grams
April 15, 2007

any grammatical errors with this sentence?
The use of cell phones would not be as pervasive if it was indeed not remarkable. Thank you for using the Jiskha Homework Help Forum. This sentence is not clear to me. Are you saying that the use is remarkable or that phones are remarkable? At any rate, in the "if" ...
March 26, 2007

PLEASE HELP SOLVE RIDDLE
nothing
March 23, 2007

Goverment
Wgat factors have combined to make today political campaigns as person and individual as they have become? freedom of speech? different perspectives of an issue? Your question is vague. Exactly what is meant by "today's [<~~note the possessive form] political ...
March 14, 2007

math
how many millimeters are in 5 meters? 5000..i think 1000 mm = 1 meter. 5 meters x (1000 mm/1 m) = ?? Thats what I thought. I am pretty sure 5000 is right? You are correct. 5000 millimeters are in 5 meters....
February 22, 2007

algebra
graph each of the following equations below using their intercepts?. 25x + 50y - 100 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots. please answer my question with solution. 2y - 8x Please note that we ...
January 31, 2007

algebra
graph each of the following equations below using their intercepts?. 6x - 3y - 12 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

algebra
graph each of the following equations below using their intercepts?. 18x + 36y + 72 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

algebra
Graph each of the following equations below using their intercepts?. 19x - 38y = -76 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

algebra
Graph each of the following equations below using their intercepts?. 0.2x - 0.5y = 2 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

math
Graph each of the following equations below using their intercepts?. 0.2x - 0.5y = 2 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

math
Graph each of the following equations below using their intercepts?. 0.2x - 0.5y = 2 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

math
Graph each of the following equations below using their intercepts?. 19x - 38y = -76 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

math
graph each of the foloowing equations below using their intercepts?. 18x + 36y + 72 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

math
graph each of the following equations below using their intercepts?. 6x - 3y - 12 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

math
graph each of the following equations below using their intercepts?. 25x + 50y - 100 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.
January 31, 2007

cultural diversity
Consider racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics. of these societal challenges facing moderrn african americans, which do you think are the most difficult to overcome, and why? Please read yesterday's ...
December 15, 2006

PHYSICS
The boom crane in the diagram is in static equilibrium and weighs 2000 N with its center of gravity in the middle of its length. It is supported by a frictionless pivot at the left end and a cable connected to the center of the boom and is supporting a load of 5000N at the ...
December 11, 2006

Grammar
wondering if you can help me with these sentences: 1. African leaders are speaking out against a tradition in which widows have sex with a relative of their dead husbands because it helps to spread HIV. 2. The Ferrari was driven by a sexy woman with stunning headlights. 3. In ...
December 6, 2006

Econ.
In recent years, some policymakers have proposed requiring firms to give workers certain fringe benefits. For example, in 1993, President Clinton proposed requiring firms to provide health insurance to their workers. Let’s consider the effects of such a policy on the ...
December 4, 2006

algebra
1)
November 30, 2006

algebra
4)
November 25, 2006

algebra
3)
November 25, 2006

algebra
2)
November 25, 2006

algebra
1)
November 25, 2006

Math- Geometry Proofs
What are some ways to prove that a triange is isoscles? i have to make a two column proof based on a problem. What is the exact problem I need help with my geometry homework. We are doing proofs and i need some help because proofs are really hard!! def. isosceles -or- if two ...
November 21, 2006

science
Standing on a scale on an elevator is a man of mass 140kg. a) what is the reading of the scale if the elevator moves up at 5 m/s. b) moves down at 5m/s c) accelerated up at 2m/s^2 d) accelerates down at 2m/s^2? for a) and b) would I use N=m(g+a) but when I did I got the same ...
November 20, 2006

science
Moving at 20m/s a carr of mass 2000kg applies its brakes and comes to rest over a distance of 10m. Find the size of the net force that acted to stop the car. would I find t using t=dv. then would I use that for F=(m*v)/t ? The speed doesn't stay constant, so that won't...
November 20, 2006

Colonial Votes
Have any info on colonial voting What do you want to know about colonial voting? Since we had 13 colonies for over 150 years, there's a lot of information about this subject. Please be specific about what you need.
November 16, 2006

Colonial Timing
What were some things invented in colonial times invented by anybody besides Benjamin Franklin Thomas Jefferson was also an inventor. You can read about some of his inventions at (Broken Link Removed)
November 16, 2006

Please Help!
If we ran out of fuels which could we use to almost replace them. Hydroelectric Wind Solar GeoThermal DUE 2MORROW! duplicate post. Although they could all help, Solar and Wind are the most promising. I suppose I'd choose solar, but that's pretty far fetched. YES BUT IF...
November 15, 2006

English
Paul ring the church bells at a moment's notice. Change the possessive to its longer form. The possessive is MOMENT'S. Please explain what you mean by your question-- Change the possessive to its longer form. WELL LIKE IF GIRL'S IS THE POSSISSVE THEN U WOULD CHANGE...
November 15, 2006

Fossil Fuels
If we ran out of fuels which could we use to almost replace them. Hydroelectric Wind Solar GeoThermal You have asked this question more than once today and received answers that probably none of them could replace the fuel we use today. And you don't specify fuels for what...
November 15, 2006

Replacing Fuels
If we ran out of fossil fuels which could replace them. Hydroelectric Wind Solar GeoThermal
November 15, 2006

Continent
Which continent is called both a country and a continent. Australia
November 15, 2006

Fossil Fuels
If we ran out of fossil fuels which could replace them. Hydroelectric Wind Solar GeoThermal No single one of these resouces, at their current levels, could totally replace out energy consumption. Hydroelectric yeah but which could almost do it None of these. To even come close...
November 15, 2006

More mummy stuff!
Band Aid Duh!!! What fabric was used to plug the eye sockets of the mummies? lol, no she means the mummies from egypt or whatver!LOL wow... I have seen it, my guess is cotton since it is native to the aerea. neither of my encyclopedias had it. I need to know too, I'm not ...
November 15, 2006

Continents
Which continent is called both a continent and a country? Austrailia, beautiful aussie!!! :) what are the features of continent?
November 15, 2006

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