Questions Asked on
August 21, 2007

Algebra
I have some problems that I am having trouble with and I have some that need checking please. Thanks! Solve the equation. 4. (x+7/4)=2(x1/6) Find all the value(s) of x that make thedenominator(s) zero. Then solve the equation. 6. (x8/2x) +5= (x+6/x)
asked by Soly 
extraction
How to distingush organic layer and aqueous layer? The organic layer is the one on top. Most organic solvents are less dense than water. (NOte: Nonhydrocarbons such as chloroform, methylene chloride, carbon tetrachloride etc are more dense than water.)
asked by bb 
algebra
1)Write an equation for the parabola with focus (1,3)and vertex(0,3) answer= x= 1/4(y3)^2 2)Write an equation for a circle if the endpoints of a diameter are at (1,1)and(1,9) answer= (x1)^2+(y+4)^2=25 3)Which is the equation of a circle with center
asked by Marissa 
environmental science
How does your footprint compare to the national average for Canada? Are you asking about an actual footprint? Or are you asking about your own environmental "footprint?" An environmental "footprint." How do you think your environmental footprint compares
asked by Cho 
Chemistry
Why does the addition of 50ml of 0.5M NaOH to 50mL of 0.6M KOH cause the pH to decrease (aka more acidic)? Because you have reduced the (OH^) of the 0.6 M KOH by adding an equal volume of 0.5 M NaOH 50 mL x 0.6 M KOH = 30 millimols. pH = 13.78 Adding 50
asked by Vic 
Spanish
Hey all out there, I'm having trouble with Spanish 3 (not sure if the level is the same elsewhere) At the moment we are reviewing 'Los Commandos Mandatos" (when I say review, I mean that I've never learnt it when I should already know it). If anyone has
asked by Krissy M. 
Art... Value
Hello, In the following question, is answer #1, correct? I know that Value is the degree of lightness or darkness within a color. The more blue that exists in light the higher its color temperature, the more red contained in light the lower the color
asked by Mandi 
electric engineering  bobpursley
Hi bob: I have a follow up question fo my previous post under heading electrical engineering If you could help me that would be great! :) see the other post which briefly explains the drawings here:
asked by manny 
theology and religious studies
http://www.jiskha.com/search/search.cgi?query=academic+study+of+the+bible+today Please see the first two links here for previous responses to this very question. Thanks. what is the relevance of the academic study of the bible today especially in the
asked by Writeacher 
electric engineering
First of all I need to let you know that I'm not an Engineering student. I'm just dabbling with it in a hobbie capacity. I recently wrapped 11 layers of 30gauge magnetic wire around a ball, approximatly 2" in diameter. Leaving a lead and starting from the
asked by manny 
science?
Why would a potato cook faster if you poke holes in it with a fork before microwaving it? ~My thinking is that it would increase the surface area..but this could be just partially why it cooks faster. Thank You =D I don't know in a microwave it cooks
asked by ~christina~ 
algebra
4)Write the equation x^22x+y^2+4y=11 in standard form. answer= (x1)^2+(y+2)^2=16 5)Write the equation 4x^2+24xy+34=0 in standard form answer= y= 4(x3)^2+2
asked by Marissa 
World History
It would be nice if someone could please help me find a good map of East Egypt near the Red Sea, this map needs to include the peninsula names, the river's names, the mountain's names, and the desert's name. that i can read.... thanks :] These don't have
asked by Lynn 
World History
ummm... I need another map but I need to see the mountains and rivers above the Mediterranean sea.... thank you soo much!!! :] "Above the Mediterranean Sea" includes Spain, France, Italy, Greece, and Turkey, all of which border the Mediterranean on the
asked by Lynn 
Math Word Problem
I asked my teacher, and my teacher said it had 3 shelves.. A bookcase is to be constructed. The height of the bookcase is 4 feet longer than the lenght of a shelf. If 20 feet of lumber is available for the entire unit (including the shelves, but NOT the
asked by Vanessa 
Religions of the World
Find 2 websites dealing with indigenous cultures/religions.Discuss how modern civilization has impacted the spiritual lives of the indigenous people you explored. Are indigenous religions still practiced today? If so, how have the practices changed over
asked by Patricia 
math
1)The area A of a triangle varies jointly as the lengths of its base b and height h. If A is 75 when b=15 and h=10,find A when b=8 and h=6 2)Determine the equation of any vertical asymtotes of the graph of f(x)=2x+3/x^2+2x3 1) Area of a triangle is 1/2
asked by Marissa 
Math
uh oh if pencils cost 20 cents and pens cost 30 cents each find the cost of the following items number 36 has r pens and p pencils
asked by Leo 
literature
My question is in the story "young goodman brown", by Nathaniel Hawthorne. can someone give me an example of a literary device and how the author used it. I have to come up with at least nine of them but I can't start because i am not understanding. I
asked by student 
english
what is the "lord of the flies"? use a quote which helped you understand the term. Here is the source for the term "lord of the flies". "The title is said to be a reference to a line from King Lear  "As flies to wanton boys, are we to the gods, — They
asked by Anonymous 
Algebra I
Driving down a mountain, Tom finds that he has descended 1800 ft. in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. Find the slope of his descent to the nearest hundredth. slope is descent divided by distance from base.
asked by Sally 
Algebra I
In planning for a new item, a manufacturer assumes that the number of items produced x and the cost in dollars C of producing these items are related by a linear equation. Projections are that 100 itmes will cost $10,000 to produce and that 300 items will
asked by Katie 
algebra
What is the equation of an ellipse with a center (4,2) and a horizonal major axis? I know the equation is x^2/a^2+y^2/b^2 and that's all. (Broken Link Removed) you will have to give more information. With only the centre (4,2) all we can say is
asked by Jon 
History
. Describe the three key concerns that Washington had for the future of the U.S. Explain how the country has progresses in each area and give one specific example. Here's an answer I posted for this question a few days ago.
asked by Kara 
math
what is the place and value of the underlined digit in 803. the underlined digit is 3 It's in the one's place the way to think about it is like this: in between the ones and the tenths is the decimal point. Hundreds/tens/ones.tenths/hundreths
asked by Brandon 
environmental science
How should I write my notes. For what class? It depends on what class you are speaking of. Oh..ha..the post title. Okay.. For a science class you could write in outline form. This is not the only correct way to write your notes but it's how I organize
asked by Cho 
environmental science
I mean I know sort of what Im doing. Im doing this project on tropical rain forest. But this was are insrutions. (A)Descrition of the Biome (B)Location or locations where it is found (C)Climate and weather of the biome (D)Biodiversity found in the biome.
asked by Cho 
environmental science
What web site can I use to find the biodiversity of Tropical rainforest?=) Please help! Check these sites. http://www.raintree.com/facts.htm (Broken Link Removed) But what do I suppose to write about that? I don't understand./: Click on those web sites
asked by Cho 
Math
2asqrt9a^3b  3bsqrt20a^2b + 2a^2sqrt16ab Help?! 2,965,368 round this to the nearest hundred thousand. any suggestions? the hundred thousanth place is the 6 in the thousanths place. the number before that is 5. so 6 changes to 7 and the rest zero. like
asked by Sarah 
Algebra
Ann sells apples and Beth sells oranges. Today, half the number of apples than Ann sold was fifteen less than thrice as much the number of oranges that Beth sold. I just want it to know; how do I convert it into an algebraic expression or equation? Is
asked by Joel 
math
write the following as a rate in lowest terms $402 for 18 rolls of film To find the rate for one roll of film, divide $402 by 18.
asked by Vince 
science
what instrument is used to measure lenght answer is ten letters A meter stick can measure length.
asked by shawn 
Algebra
3(2+32(45)21)3(2+4(42)8+3(25)+12)13)+45 rather silly question, and some of it makes no sense eg look at the first part ......2(45)21 does this end up 2(1)(2) ? or did you forget an operator before the last 2? there is a similar discrepancy
asked by Reiny 
SAT vocab
Would you say that deprecate, disdain (as a verb), and denounce are synonyms? These I found at Keyword: Thesaurus... an excellent help in checking synonyms and antonyms. I would agree that those are synonyms Synonyms badmouth, belittle, cry down,
asked by Hannah 
math
3 to the 5th power / 3 to the 2nd power= ?? 22 24 23 26 27 2100 213 (3^5) / (3^2) = 27 3 to the 5th power is 3 x 3 x 3 x 3 x 3. ________________________________________ 3 to the 2nd power is 3 x 3. Cancel two of the 3s on the top and the bottom. What do
asked by Rodger 
algebra
4)Find the exact solutions of each system of equations x^2+y^2=25 and 9y=4x^2 answer= (3,4),(3,4) This is correct from what I found after entering the functions into my TI83 calculator and using the trace=> intersect function on the calculator.
asked by Marissa 
math
what is the value of the underlined number? 170 the 0 is underlined, I know the place is the tens, thanks so much! The VALUE of the underlined number is zero. The place is the ones. It's not the tens place...didn't you read what I posted before? The
asked by Brandon 
world history
What desert lies west of the Euphrates River and north of the Arabian Peninsula? Check this map for the name of the desert that lies in Iraq, Syria, and Jordan. http://www.lib.utexas.edu/maps/middle_east_and_asia/middle_east_ref04.jpg
asked by lynn 
World History
It would be nice if someone could please help me find a good map of East Egypt near the Red Sea, this map needs to include the peninsula names, the river's names, the mountain's names, and the desert's name. thank you so much =] These maps should help you.
asked by lynn 
environmental science
What do I suppose to write? I don't understand? /: Please see my last post about biodiversity.
asked by Cho 
Math
Another crazy one... 3sqrt5y^5 divided by 6sqrt20xy For this 3 square root 5y^5 ___________________ 6 square root 20xy you can reduce the 3/6 to 1/2 then you can go and split up the bottom denominator of square root 20 into square root of 5y * square root
asked by Sarah 
Biology
Variables that are always different between the experimental and the control groups are? a.)independent b.) controlled c.) dependent d.) a and c
asked by Henry 
Algebra
A athlete runs 40 ft in 5 minutes. i have to find the rate help please per min... 40ft/5min= 8ft/min
asked by MEL 
Science
I have to do an assignment on designing an animal that has adapted to life in the waters of the dead sea. But nothing can live in the dead sea so I don't know what to do. Can anyone help with suggestions? What about a micro organism? There are bacteria
asked by Mitchell 
science
infinte use to find math two words seventenn letters for crossword puzzle
asked by zoe