Tuesday

December 1, 2015
Total # Posts: 266

**10th grade, spanish three**

you mean "quien te abla por telefono todo los dias?
*February 11, 2010*

**History**

i have the same assignment and pretty much the same answer :)+
*November 30, 2009*

**Physics**

anyone????
*November 16, 2009*

**Physics**

Useful Constants: 1 Torr = 133.32 Pa; R = 8.3145 J/mol·K You have a thin metal sphere of unknown volume that contains helium gas at low pressure. You put the entire metal sphere into a bath of liquid nitrogen, and a pressure gauge on the sphere indicates a pressure of ...
*November 16, 2009*

**maths**

is the following a function and if so is it inective, surjective or bijective: f: R-->R where f(x)=|x|
*November 15, 2009*

**Ap Physics**

it basically two tubes connected with a line, one to 10 cc has a weight put on top of it the second one 50cc has a force probe put on top of it. the weight changes force in first and causes the force and pressure in second to change. it basically using Pascal's Principal.
*November 12, 2009*

**Ap Physics**

Read the activity 2-1:Force and Pressure in the lab manual (pages 167-168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc piston) = 60.6 g (diameter...
*November 12, 2009*

**Physics**

should not F2=F1*A2/A so F2=646.8*(615.752/169.71) F2=2346.759
*November 12, 2009*

**Physics**

i tried 646.8/169.71=F2/615.752 and tried solving for F but i am getting 2346.759 and it just not right..
*November 12, 2009*

**Physics**

So since i know F/A=F/A I'm just confused on how it affects one another....
*November 12, 2009*

**Physics**

ok so. I solved first part with F/A i got .9239 kPa. second part i solved to i just added the forces. I got 3.811 kPa. The last two i am having difficulty with....
*November 12, 2009*

**Physics**

Read the activity 2-1:Force and Pressure in the lab manual (pages 167-168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc piston) = 60.6 g (diameter...
*November 12, 2009*

**Help Physics 1 question**

i tried .0003493 and -.0003493 but both are wrong where am i messing up exactly?
*November 5, 2009*

**Help Physics 1 question**

Period=1.4 seconds gravitational acceleration=9.8 m/s^2 length of string=.4865m angle is 3 degrees acceleration from that angle is=.5129 m/s^2 change in bobs height from release to bottom of arc=.000667m bobs speed at bottom of arc=.1143 m/s so i done all the questions and ...
*November 5, 2009*

**Math**

u=-3 45/-15
*November 4, 2009*

**Physics**

b i got a=gsin(3)=.5129
*November 4, 2009*

**Physics**

You want to make an old-fashioned pendulum clock, with a period of exactly 1.4 second(s). Use the Earth's gravitational acceleration g = 9.8 m/s2. a) Ignoring the size of the pendulum bob, from what length wire should you hang your pendulum bob? .4865 m b) If you release ...
*November 4, 2009*

**physics**

0.061
*November 4, 2009*

**Physics**

The moment of inertia of an object depends on the shape of the object, location and orientation of the axis of rotation. For a solid disk, when the disk is rotating about an axis that is perpendicular to the disk and passing through the center of the disk, the moment of ...
*October 29, 2009*

**math**

For an arithmetic sequence, a_{19} = 78. If the common difference is -3, find a_1 = (i found it to be 132) the sum of the first 57 terms =?? -I know there is a formula but i cant think of what it is
*October 25, 2009*

**math**

i figured out what i was doing thank you so much!
*October 25, 2009*

**math**

oh yeah sorry i wrote that wrong i put -168-8n but it still said my answer was wrong
*October 25, 2009*

**math**

-Write the arithmetic sequence 21,13,5,-3... in the standard form: a_n= -a_n=a_1+(n-1)d--so a_n=21+(n-1)-8 *a_n=-168-8n why isnt this right?
*October 25, 2009*

**math**

Determine the seating capacity of an auditorium with 10 rows of seats if there are 10 seats in the first row, 16 seats in the second row, 22 seats in the third row, 28 seats in the forth row, and so on ???
*October 25, 2009*

**social studies**

thanks so much i found the answer
*October 24, 2009*

**social studies**

p.s. i forgot to put remains in the oraginal question.
*October 24, 2009*

**social studies**

i mean why cant we find the remain off the Spanish missions left.
*October 24, 2009*

**social studies**

why we can't find many of the Spanish missions from this period in Florida?
*October 24, 2009*

**math please please!**

Is this correct? Write an explicit and recursive formula: -5,-4,-3,-2,-1... explicit: -5N+1 recursive:An-1+1
*October 23, 2009*

**math**

-2x^2<30 1/abs value(11-9x)=6 Please show me how to do these two!!
*October 6, 2009*

**Science**

Which moon would look the brightest from jupiter and why?
*July 5, 2009*

**Social Studies (France and nuclear arms)**

follow up question: what are some reasons that france have the right to nuclear arms? i know that in general it's for security and power but i dont know the specifics...... security, it's not like they have any threats right? and power.. im not sure what to say about that
*June 9, 2009*

**japan**

shukudai しゅくだい 宿題
*June 9, 2009*

**Social Studies (France and nuclear arms)**

what are some reasons that france have the right to nuclear arms? i know that in general it's for security and power but i dont know the specifics......
*June 8, 2009*

**Social Studies (France and nuclear arms)**

can anyone educate me about why france should have the right to nuclear arms?? and be specific about what the arms and rights are? please please please! i need to argue about it. thank you!
*June 8, 2009*

**science**

What is the unit for magnetic circuit?
*March 29, 2009*

**maths**

9 hours
*March 15, 2009*

**social studies**

Does apartheid still exist in some ways in South Africa? Explain.
*January 4, 2009*

**social studies**

What needs to take place to bridge the economic gap between whites and blacks in South Africa?
*January 4, 2009*

**science-urgent**

i still don't get how they're different. What are 4 differences between them?
*November 24, 2008*

**science-urgent**

What are differences between Continental Drifts and Plate Tectonics? I need at last 4 for each. Please help its urgent!!!!! Thanks a bunch! Ellie
*November 24, 2008*

**Math**

Ok we are doing distributive property in math and I'm so confused on some of the problems. the problems are: 9+(x-4) 5-4x-5/-4 4(3x-2y)-3(4x-3y) 7(r+s)-(r-s) 3y-2(x-2y) Thank you so much for your help. Ellie
*November 23, 2008*

**4th grade English**

No
*November 20, 2008*

**4th grade Math**

That means you have to multiply the numbers. The product is what you call the answer.
*November 18, 2008*

**Chem**

what product could you see in a flask when you cobined copper and sodium. basically what is the name for copper and sodium when combined
*October 22, 2008*

**Math**

What represants 5yards
*October 18, 2008*

**ecology**

Thanks!
*September 14, 2008*

**ecology**

Describe the abiotic conditions in a chaparral ecosystem? where is this ecosystem located? thanks!
*September 14, 2008*

**science**

How does a chemical beome neutral?
*June 24, 2008*

**science acids**

hello
*June 23, 2008*

**science acids**

you were a big help thanks again
*June 23, 2008*

**science acids**

how come bile from your digestive system is acid [how does this occur ] ? thanks 4 the help
*June 23, 2008*

**French**

you are perfectly right
*June 22, 2008*

**Trig**

Find all x and y between 0 and 2pi so that the equation is ture -2 cosx -i sin y = 2 sinx +i i am also having trouble with this one Simplify the power of i i to the 39th power
*May 30, 2008*

**human life**

If you still don't know the answer just g.O.o.g.L.e it and you'll get it!Or ask in W (Y)ahoo! answers
*May 11, 2008*

**chemistry**

yh you are doing grt
*May 7, 2008*

**Science 8th grade**

it 's glucose
*March 27, 2008*

**Math-measurement**

What is the official name of our system of measurement in America? All I ever hear about is the metric system, but I don't know what ours is called. Thanks
*March 2, 2008*

**acids and alkalis**

i.e 1-6 acid 7 neutral and numbers after that are alkalis
*February 29, 2008*

**acids and alkalis**

it becomes an acid due to which colour it turns when adding universal indicator
*February 29, 2008*

**maths**

How to calculate the mean number of threatened fishes, where total number of fishes is 29300 and number of threatened fishes is 1173. Hmmmm. you have one data point, that is, 1173 fish are threatened. The mean of one number is that number. Is there something else here? Thats ...
*May 20, 2007*

**the big idea of energy**

if you know what the big idea of energy is please can you tell me?? i will tell you stuff about magnesium burning =] thanx xD
*December 5, 2006*

**More Physics**

The diagram below indicates three positions to which a woman travels. She starts at position A, travels 3.0 km to the west to point B, then 6.0 km to the north to point C. She then backtracks, and travels 2.0 km to the south to point D. a) What is the total displacement of the...
*October 29, 2006*

**Physics**

How do I do these? A passenger at an airport steps onto a moving sidewalk that is 100.0 m long and is moving at a speed of 1.5 m/s. The passenger then starts walking at a speed of 1.0 m/s in the same direction as the sidewalk is moving. What is the passenger's velocity ...
*October 29, 2006*

**James T. Russell**

I dont think so
*October 22, 2006*

**Don't understand this Geometry question**

Isosceles triangle XYZ is placed on a coordinate plane to be used for a coordinate proof. What should the coordinates of its vertices be? a. (-a,0), (0,0), (a,0) b. (0,0), (0,-a), (-a,0) c. (0,0), (0,a), (a,0) d. (0,0), (0,-a), (a,0) ??? 5 REASONS WHY SOCIAL STUDIES IS ...
*August 28, 2006*