Questions Asked on
March 23, 2008

English expression
1. He is of medium height. 2. He is of average weight. 3. He has medium height. 4. He has average weight. 5. He has long curved hair. 6. She has short straight blond hair. 7. She has mediumlength wavy blonde hair  Are
asked by John 
alegebra
Solve the system of equations by graphing. Then classift the system as consistent or inconsistent and the equations as dependent or independent. 3xy=14 3x+4y=26 What is the solution of the system of equations? Type an ordered pair.N for no solution R for
asked by anaya 
Egypt
What was the material used to plug the eye sockets of a mummy?
asked by Anonymous 
algebra
solve the system of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent. x+y=14 xy=2 What is the solution of the system of equations?
asked by anaya 
PhysicsGauss' Law, hard
Thank you Damon for answering my first questions fast and accurately. Do you or anybody else know how to do these harder Gauss' Law Problems? 1. A solid metal sphere of radius R has charge +2Q. A hollow spherical shell of radius 3R placed concentric with
asked by Bobby 
PHYSICS!!!
A neutron, a proton, and an electron are initially at the same distance from a relatively large stationary nucleus moving at a constant velocity. Assume the masses of the proton and neutron are equal. 1. Which is the first particle to reach the nucleus? 2.
asked by Karen 
chemistry
consider the following reaction CH3X + Y> CH3Y + x at 25 degree celcius the following two experiments were run, yielding the following data: experiment 1 [Y]0=3M [CH3X] time 7.08×10^3 1 4.52×10^3 1.5 2.23×10^3 2.3 4.76×10^4 4 8.44×10^5 5.7
asked by timathy 
American Lit => Ms.Sue (Poetry analysis help)
Poem "for rosa parks" And how was this softvoiced woman to know that this was "No" in answer to the command to rise would signal the begining of the time of walking Soft the word like the closing of some aweful book, a toolong story with no pauses for
asked by ~christina~ 
Science
Hi i have a science exam on tuesday and really need some help to see if what im doing is right. The question is  How many electrons, protons and neutrons are in the following: a) Br1 b) Be2+ c) Ne d) P1 e) Fe AND MY ANSWERS ARE: a)35 electrons 35
asked by Jess D 
trig
2sin(x)cos(x)+cos(x)=0 I'm looking for exact value solutions in [0, 3π] So I need to find general solutions to solve the equation. But do I eliminate cos(x), like this... 2sin(x)cos(x)+cos(x)=0 2sin(x)cos(x)= cos(x) 2sin(x) = 1 sin(x) = 1/2 at 4pi/3
asked by Alex 
physics
A charge of 2q is placed a distance r from the origin and a charge of +2q is placed a distance 2r from the origin. What is the amount of work needed to move a charge of q to the origin from infinity? I don't get the question. And please explain to me how
asked by Shelly 
Math
I seem to be having problems setting up Linear Programming questions. For example: Kustom Kars does van conversions. The Custom conversion required 15 hours of shop time, 8 hours of painting time, and 1 hour of inspection time. The Deluxe conversion
asked by Matt 
alegebra
solve the system of equations by graphing. then classify the system as consistent or inconsistent and the equations as dependent or independent. 3u+v=13 3u=v+29 What is the solution of the system of equations?
asked by anaya 
Need your help!!!! Plzzzz (literacy)
I was ask by my literacy professor to find a sample unit plan that focuses on animals that live in the water/oceans/seas. The unit should include what the animals eat? How they survive underwater? How they move underwater? (amoung other things) She also
asked by Ashley 
chemistry
Sulphuryl chloride, SO2Cl2, decomposes according to the following firstorder reaction: SO2Cl2(g) ¨ SO2(g) + Cl2(g) At a certain temperature, it is observed that it takes 147 minutes for 23.0% of the sulphuryl chloride to react. Calculate the halflife
asked by matt 
AP Biology
Just wondering: why the Calvin Cycle can occur in the dark, but indirectly relies on sunlight? Thank you for your explanation.
asked by Person 
chemistry
A reaction rate increases by 60.3% when the temperature is increased from 21.5 to 35.6°C. Calculate the activation energy (in kJ/mol) for the reaction.
asked by matt 
chem
mass of mg .28 mass of o .41 calculate the moles of mg and o what is the simples whole number ratio of the moles of mg to the moles of o? round off to the nearest whole number ratio. use this mole ratio to write the empirical formula. the molecular mass
asked by ashley 
algebraword problem
Flying to Kampala with a tailwind a plane averaged 158 km/h. On the return trip the plane only averaged 112 km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air. TIA
asked by jen 
algebra word prob.  one more
The sum of the digits of a certain twodigit number is 7. Reversing its digits increases the number by 9. What is the number? TIA
asked by jen 
Math Double check
Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, 650, 42.5 A) 0.093 and 42.5 B) 35 and 650 C) 2/3 D) 650
asked by Kim 
physics!!!!!
A small spherical insulator of mass 8.00*10^2kg and charge +6.00*10^7C is hung by a thin wire of negligible mass. A charge of 9.00*10^7C is held 0.450m away from the sphere and directly to the right of it, so the wire makes an angle with the vertical.
asked by Donna 
English
I am in the 7th grade and I love books that are fiction. Here are some books that I LOVE!! Kira Kira So B. It Olive's Ocean Becoming Naomi Leon Corner of the Universe Green Glass Sea Edward's eyes The problem is I need a new book to do a book report on and
asked by Taylor 
Math Please check
Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,650, 42.5 a 0.093 and 42.5 b 35 and 650 c 2/3 d 650 answer: c
asked by Sherri 
AP Biology
With regards to photosynthesis, if the following problems occurred, how would photosynthesis be affected? 1.) a.) NADP+ is not present in the thylakoid space b.) CO2 is not available to the plant Thanks
asked by Ryan 
Physical Science
Hello, I need some help with the following question. Thank You To use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your ? A.thumb in the direction of the magnetic
asked by Mandi 
History
During which battle did Guru Gobind Singh Ji say, "sava lakh se ek laraoon, tabe Gobind Singh naam kahaoon"?
asked by Lena 
economics
hey i have a few questions i have no idea how to do them and the test is tuesday if price index in 2002is 120 and price index in 2003 is 110, then the rate of inflation is what? if GDP goes up what will happen?
asked by gabriella 
Science
there is a general relationship between the zones used by the ancient Greeks (torrid, temperate, and frigid) and the modern zones we recognize (tropical hot, tropical dry, midlatitude mild, midlatitude severe, polar......The question i have is how do the
asked by kacey 
math
in a triangle BCA there are three medians b,c,a. Prove that 3(A^2+B^2+C^2)=4(a^2+b^2+c^2) (sides) = (medians)
asked by POD 
Maths/Physics
Which of these statements are true... I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A stationary object must have zero position 3)Two vehicles trvelling at the same speed at the same instant of time on the same road
asked by leo 
LCD
I need a reveiw on how to use the LCD least common denominator to add and subtract
asked by ALi 
Biology
I was wondering if someone could please explain this to me (please don't give me links to websites, I already have a thousand saved under my favourites, I just don't understand how to find my answer from the information the websites have provided).
asked by Needs a bio teacher 
Spanish for Jennifer
Be sure you find my answers to your exercises as it's now on page 2 and could be page 3 by the time you look! Sra
asked by SraJMcGin 
alegebra
solve the sytem of equation by graphing. Then classify the system as consistent or inconsistent and the equation as dependent or independent. y=x11 3x2y=2 what is the solution of the system of equation.,
asked by anaya 
AP Statistics
Commercials Suppose that a commercial is run once on television, once on the radio, and once in a newspaper. The advertising agency believes that any potential consumer has a 20% chance of seeing the add on television, a 20% chance of hearing it on the
asked by Lyndsey Horton 
Math
Find the decimal equivalent of the mixed number. 8 7/8
asked by Teri 
American Lit for ~christina!
Look on page 2 of Jiskha message boards for additional information. =)
asked by Writeacher 
physics!!
A circuit contains a 12V power source, and a 3ohms, 4ohms, and 6ohms, resistor. How should the resistors be arranged for the current through the battery to be 2A? Please help!THANKS!
asked by Bonnie 
algebra 2
log x= 2.4 i have tried but i just cant get it i missed class that day and my teacher wont explain.
asked by kelly 
math
12 ln x=44
asked by ash 
calculus
how do you find the dy/dx of the square root of x minus the square root of y equal to 10? You have to use implicit differentiation.
asked by Lacey 
Chemistry
Can someone please explain to me whats the difference between a buffered and nonbuffered solution?
asked by Raj 
Spanish
How do you conjuate ar er and ir verb?
asked by Amanda 
Physical Science
Hello, Can some one please tell me if I have the correct answer? Thank You my answer: D In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the? A.anode B.cathode C.deflecting plate D.grid
asked by Mandi 
Physics
Why are interference colors more apparant for thin films than for thick films?
asked by Trey 
Velocity
Which of these statements are true... I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A stationary object must have zero position 3)Two vehicles trvelling at the same speed at the same instant of time on the same road
asked by leo 
Physics
what is the amount of gravity im m/s on each planet in the solar system. I need to know by Wednesday. Thanks
asked by Rebecca 
geometery
give the slope of x=2y=7
asked by jonnlyn 
math
How do I do the LCM?
asked by Jake 
Happy Easter
I just wanted to say Happy Easter everyone! And if you don't celebrate Easter, then Happy Sunday to you.
asked by Leo (Jiskha Homework Help) 
physics
Find the length of string and speed of wave in string if frequency of given wave is 850 hz and the wavelength is 0.26m? The string is in a tube that is closed at both ends. I found the speed using v=freqeuncy*wavelength. How do i find the length of the
asked by shan 
Calculus  Integrals
I have 3 questions, and I cannot find method that actually solves them. 1) Integral [(4s+4)/([s^2+1]*([S1]^3))] 2) Integral [ 2*sqrt[(1+cosx)/2]] 3) Integral [ 20*(sec(x))^4 Thanks in advance.
asked by David 
physics
A neutron, a proton, and an electron are initially at the same distance from a relatively large stationary nucleus moving at a constant velocity. Assume the masses of the proton and neutron are equal. 1. Which is the first particle to reach the nucleus? 2.
asked by Karen 
Career
what website can i go create an resume and coverletter?
asked by Bryan 
Math Please check
Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,650, 42.5 a 0.093 and 42.5 b 35 and 650 c 2/3 d 650 answer: c
asked by Sherri 
deutsch
brauche hilfe dringend!!! hab drei fragen und suche scon seit eine woche die antworten aber ich kann einfach nichts finden!! 1.Bürgerliche scheinmoral als thema der jahrhundertswebde 2.Moralfragen im Stück der gute mensch von sezuan 3.Gerichtsszenen bei
asked by bill 
Biology
Can someone please help me ! i don't know how to read a gel electrophoresis. thank you
asked by Rachel 
calculus
I have three questions I'm having a terrible time with: 1)Find, if possible, the absolute maximum value and where it occurs for f(x)=ln(xe^x) on (0,infinity). 2)Find the value(s) of "c" guaranteed by the Mean Value Theorem for the function f(x)=ln(x^2) on
asked by Chelsea 
physics
Drift velocity is best defined as a. the relationship between current and current density b. the number of mobile electrons per volume c. the number of mobile electrons per length d. the flux of the current density through a given area e. the average speed
asked by Libby 
psycology
what is the role glutamate
asked by amber 
trig
Am I right on this? 2sec^2(2x)8=0 2sec^2(2x)=8 divide by 2 sec^2(2x)=4 find square root sec(2x)=2 Now, would this simply be asking me to find where secant is equal to one? Or is there no solution because secan't (pun intended) be equal to anything above
asked by Alex 
Math
Arrange in order from smallest to largest. 3.07, 3.0712, 3.078, 3.0717, 3.072, 3.071
asked by Teri 
Math
You are making rectangular posters 24 in. by 15 in. How many square feet of material will you need for 6 posters?
asked by Teri 
math
6xsquared +7x3
asked by chloe 
book discussions
In general, what are some "must ask" questions when holding a discussion about a book?
asked by Anonymous 
AP Biology
Why is RuBP Regeneration important to photosynthesis?
asked by Pie 
Physical Science
Hello, Can someone tell me if I have the correct answer? Thank You my answer: B A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total
asked by Mandi 
Physics (mirrors)
If a virtual image occurs at 20cm "behind" a concave mirror, would u put a screen 20cm before the mirror to obtain the clearest possible image? if not, where?
asked by Mikal 
Adiabatic rates(Geography)
Given a lapse rate of 3 degrees C/1000 meters and a temp of 20 degrees C at 0 meters: A.What is the air sitting at 3,000 meters elevation?___degrees C B.If a sample of air were lifted from 0 meters to 3,000 meters elevation, what would its new temp
asked by Sarah 
biology
chemical reactions that require the presence of oxygen
asked by joe 
homework
if price index in 2002is 120 and price index in 2003 is 110, then the rate of inflation is what? if GDP goes up what will happen?
asked by gabriella 
lesson planning
Where could I find a sample unit that focuses on animals that live in water?
asked by Ashley 
Unit planning
Where could I find a sample unit that focuses on animals that live in water? The unit should have a literacy focus
asked by Ashley 
Math
Gasoline is about $2 per gallon. You use about gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)?
asked by Teri 
PhysicsGauss' Law
1. If a surface is a 10 meter by 10 meter plane lying in the yz plane, what is the vector representing the area of the plane? 2. If a sphere of radius 2 meters is placed in a uniform electric field of 3 N/C, what is the net flux through the sphere? 3.
asked by Bobby 
Math
The interest rate on a second mortgage was 8 3/4%last month. This month the interest rate is 11 1/8%. How many percentage points has the interest rate increased?
asked by Teri 
psychology
what is the role glutamate in memory
asked by amber 
Math
For the decimal 8.62354: What is the place value of 4?
asked by Teri 
algebra
What is Algebraic reasoning? How are repeated patterns connected to algebra?
asked by Ashley 
math
what is 12% of 120?
asked by josh 
Math
Find the least common multiple of 12, 18, and 30.
asked by Teri 
Math
Round to the indicated decimal place. 6.949 tenths
asked by Teri 
Math
The circular surface of a table has a diameter of 7 ft. What will cost to have the top refinished if the company charges $6 per square foot for the refinishing? Use 3.14 for ƒàƒnand round your answer to the nearest cent.
asked by Teri 
biology
name of Cells that release ACh into the synaptic cleft of a neuromuscular junction? name of Cells that secret the hormone "glucagon" ?
asked by Anonymous 
algebra 2
log[little 3] (2x1)=3
asked by shawn 
algebra 2
log(base 2) (x=2)= log(base 2)x squared
asked by shawn 
Calculus
I'm not sure how to solve the equation 5^x12*(5^x)1=0
asked by Jeremy 
History
Can someone provides me a fews website on this topic: Discuss the transformation from agriculture to industrial of United States from 1865 1940. I using google to search but I couldn't find information about it. Thanks
asked by Sean 
calculus
This is stupid, but can anyone find the derivative of f(x)=8^(12x^2)?
asked by Alice 
Biology
What is the scientific procedure for making designer babies? What traits can all be chosen for the baby at this point in time? How will designer babies effect the world in the future?
asked by Ashley 
Dr.Bob
welcome back =) and happy easter too.
asked by ~christina~ 
Physics
The digital desplay of watches and other devices are normally polarized. What related problem can occur when wearing polarized sunglasses?
asked by Trey 
Physics
How can you determine the polarization axis for a single sheet of Poloroid?
asked by Trey 
Physics
If you are viewing a hologram and you close one eye, will you still perceive depth? Explain.
asked by Trey 
Sci275
I have been searching the web, I am supposed to "describe environmental benefits and challenges of urbanization." Do you know where I can look?
asked by Help PLEASE 
Calculus
Can someone please tell me how to derive V=4/3pi(r)^3 to get x^2+y^2=r^2?
asked by Jess 
AP Biology
Why is it that the Calvin cycle is able to occur in the dark, but indirectly relies on sunlight? Can someone give me a brief description?
asked by Person (Please will a science/biology answer me! 
12 Biology! URGENT!
How is photosynthesis affected if photosystem I is not functional? No website, or text book seems to be providing me with a proper explanation; I seem to be missing the concepts of the photosystems :(. Thanks to whomever helps me!
asked by Chase 
maths
1 .Find formula the perimeter and area of a semicircle ? 2.Find formula the area of a circle whose circumference ?
asked by MTH 
physics
Find the intensity level 10m from a 0.24 watt source of sound energy?
asked by shan 
physics
you drop a ball over the edge of a 350m high cliff. If T=15 deg celcius when will hear it strike the ground? do i just divide the 350m by the speed of sound in air at 15 deg celcius?
asked by shan 
math
find distance from (4,2) to (5,14)
asked by ellen 
math
give the yintercept for y=5x
asked by Sariea 
Biology
What would be the consequences of the following be on photosynthesis? These are the only ones I am stuck on! a.) Photosystem I is not functional b.) NADP+ is not present in the thylakoid space Thanks very much
asked by Easter Bunny 
Photosynthesis
Does anyone know a good website that breaks down photosynthesis into really easy steps, so it is understandable and quickly learnable, all the while keeping all of the information a grade 12 student would need to know? Thanks, much appreciation! Happy
asked by He 
Physics
Compare two transmission lines: one at twice the voltage of the second. Which of the two lines is most advantageous to a utility company? How much is the advantage?
asked by Tim 
Repost: Biology!
What would be the consequences of the following be on photosynthesis? These are the only ones I am stuck on! a.) Photosystem I is not functional b.) NADP+ is not present in the thylakoid space
asked by HELP! PLEASE SOMEONE ANSWER! 
Algebra HELP!
Solve the equation identify as an identity, an inconsistent equation or a conditional. My equation is 13/2x+7/4 I know the answer is Conditional {2}, but I cannot figure out how to get it or even where to start.
asked by Tim 
physics!
A battery has an emf of 8V and an internal resistance 2ohms. If it is connected to an external circuit that draws 6W of power, what is a possible current in the circuit? Please give me some ideas to do it! THANKS!
asked by Irena