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April 20, 2014

Homework Help: 12th Grade

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12th grade PYSICS
A rock tied to a string is swung around in a circle with a radius of 10 ft. The centripetal acceleration is 16.9 ft/sec2. Calculate the speed of the rock.
Tuesday, November 23, 2010 at 5:25pm

12th Grade Government - incomplete
Incomplete question. No choices given.
Monday, November 22, 2010 at 1:46pm

12th Grade Government
_____ believed that there should be no limits to the power of the government once the will of the people was determined.
Monday, November 22, 2010 at 1:28pm

12th grade government
_____ believed that there should be no limits to the power of the government once the will of the people was determined.
Monday, November 22, 2010 at 1:28pm

12th Grade English
The best answer is B. An office holder is considered the incumbent. But it's incumbent on them to do their duties.
Sunday, November 21, 2010 at 12:45pm

12th grade Biology
Most of the enzymes of the Calvin cycle also function in other metabolic pathways. This should not be a surprising finding, because ____.
Wednesday, November 17, 2010 at 1:48pm

12th grade Trig
What are the period and 2 consecutive asymptotes? 1. y= -3tan pi x 2. y= 2 sec 4 x 3.y= csc x/3 4.y = 3cot pi x/3
Wednesday, November 10, 2010 at 10:09am

12th Grade Calculus
Use the physics equation: Vf^2=Vi^2+2ad where Vi is the initial velocity, a is the acceleration due to gravity or 9.80 m/s^2 and d equals your distance
Thursday, October 28, 2010 at 1:54pm

Science, not "12th grade"
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Sunday, October 24, 2010 at 3:51pm

12th grade
x-intercept: where y is equal to zero. therefore: 0 = 42x^2 + 28x 0 = x(42x + 28) x = 0 ; and x = -28/42 = -2/3 x-int: (0,0) and (-2/3,0) so there,, :)
Friday, October 22, 2010 at 11:06am

12th grade
constant volume? P1/P2=T1/T2 make certain temps are inkelvins. force on each side= pressure/area. You will have to calculate the area of each side.
Wednesday, October 20, 2010 at 4:51pm

12th grade
A cubic box of volume 4.0 multiplied by 10-2 m3 is filled with air at atmospheric pressure at 20°C. The box is closed and heated to 160°C. What is the net force on each side of the box?
Wednesday, October 20, 2010 at 4:26pm

12th grade
a marble that is rolling across a lab table has a velocity of 0.7m/s. If the table is 0.9m high, how far from the edge of the table will the ball travel in the horizontel direction before it hits the floor ?
Monday, October 18, 2010 at 7:08pm

12th grade science needs help
Indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question.
Monday, October 11, 2010 at 11:17am

12th grade art
Will someone plz help me. I have looked through website after website and I cant find the right peron. Just like a page address or something or explain about his works and his life. Please and thanks!
Tuesday, October 5, 2010 at 8:13pm

12th grade Calculus
It says find the numbers, if any, at which the given function is discontinuous. f(x)=abs(x+2) *abs - absolute value f(x)=e^xsinx for both of these problems i saw that it was continuous but i don't really know
Tuesday, October 5, 2010 at 6:15pm

12th grade
Can somebody tell me what to do next for solving polynomial equations? x^3 - 3x^2 -4x + 12= 0 I got the factors of 12 and i used 2. (x+2) (x^2 + x + 12)=0 What do I do next?
Tuesday, October 5, 2010 at 12:10am

12th grade physics needs help
Indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question.
Monday, October 4, 2010 at 4:53pm

12th grade
If a car is accelerating downhill under a net force of 3674, what additional force would cause the car to have a constant velocity?
Sunday, October 3, 2010 at 7:52pm

12th grade
Yes, a complete sentence must have a verb. "At the house" is the fragment. "At 1 pm I shall (will) be feeding the dogs at the house." Sra
Tuesday, September 28, 2010 at 10:56am

12th grade
Is this sentence is a fragment. Because the second sentence have no meaning. I would put them together to make a complete sentence.
Tuesday, September 28, 2010 at 10:54am

12th grade math
x(x+2) = 168 x = 12 x + 2 = 14 The longer side should leave 2 feet at each end. 14 - 4 = 10
Friday, September 24, 2010 at 12:08pm

12th grade
Hint: (1-x^n) = (1-x)(1+x+x²+x³+...+xn-1)
Wednesday, September 22, 2010 at 12:09pm

12th grade maths
how to work out the percentage of a triangle that is shaded by a circle?? (circle is at a tangent to all 3 sided if that helps) thanks
Monday, September 20, 2010 at 1:17pm

12th grade physics
Helium is monatomic with a relative atomic mass of 4. calculate (i) the density of helium gas at a temperature of 0 degrees Celsius and a pressure of 101kPa and (ii) the rms speed of the helium atoms under these conditions
Monday, September 20, 2010 at 11:59am

12th grade Project work
u can add shells n mirrors to it..wooden chips nd bottle tops..buttons nd nut shells..jus a diff look..
Sunday, September 19, 2010 at 5:42pm

12th grade math
First, indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question. Second, we do not have access to your reading material.
Thursday, September 16, 2010 at 1:59pm

12th grade
Writeacher, I think gav means e, the mathematical constant (2.71...) since both numerator and denominator are raised by 1/3, we can group them up like so: [(24e)/(3e)]^(1/3) then simplify.. get it?
Monday, September 13, 2010 at 5:05pm

Math, not "12th grade"
Yah please dont write false titles or the like you might make people confused and they might not answer your wuestion right away. But anyway do the "e" mean exponent? want to go out??
Monday, September 13, 2010 at 3:54pm

Math, not "12th grade"
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Monday, September 13, 2010 at 2:12pm

12th grade
a n equailateral tringle has sides of equal length. find the domenwions of an equilateral tringle with perimeter of 45 inches
Saturday, September 11, 2010 at 7:58pm

12th grade - Math
Justify your answer: 1.) Which line is steeper? y= 4/3x - 5 or y= 6/5x - 1 2.) Does the slope of line AB exist? A (-2,7) B (-2,-1)
Thursday, September 9, 2010 at 7:09pm

12th grade math
2p + 3 = pq + r Transpose terms by subtracting pq and 3 from both sides. 2p - pq = r - 3 p(2 - q) = r - 3 p = (r-3)/(2-q)
Monday, September 6, 2010 at 8:52pm

12th grade maths
factorise: 2x^2+6x-16, and 14x^2-3x-2. Solve: 6y^2-5y-6=0, and 8x^2-2x-1=0. Rearrange: p=5t-u/u to make u the subject, and p(q+r)=(q-p). please help i've done about 40 questions and im just stuck on these. thanks for the help
Monday, September 6, 2010 at 3:20pm

Canadian social studies, not "12th grade"
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Saturday, September 4, 2010 at 11:07am

12th grade - Math
(1) is self explanatory. (3) If you are graphing real numbers, there are none for which the square is negative. For (2), the || symbols signify the magnitude of the complec number inside. In this case, it is the square root of 8^2 + 1562.
Thursday, August 26, 2010 at 5:30pm

12th grade - Math
Explain. 1.) To solve x(x-5)=0 either factor may be equal to zero. 2.) | 8-15i | = 17 3.) The solution for x^2 = -2 cannot be found graphically. [any help or explanation is greatly appreciated]
Thursday, August 26, 2010 at 5:16pm

12th grade - Math
Identify the system as consistent, inconsistent or dependent. Explain your choice. 1.) 3x - 2y = 12 6x - 4y = 24 2.) x= -5 y= 4
Thursday, August 26, 2010 at 5:12pm

12th grade math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
Saturday, August 21, 2010 at 11:26am

12th grade maths
could you tell me how and what the professionals will teach, A list of ten topics, an idea about 1 or 2 topics and a list of some angles as such....
Saturday, August 21, 2010 at 6:44am

12th grade
What IS the question? Are RS, ST and RS the lengths of sides of a triangle? I haven't a clue what you are asking.
Friday, August 20, 2010 at 2:49am

12th grade
RS=7a,ST=12a,RS=28
Friday, August 20, 2010 at 1:22am

12th grade-Advanced functions
Determine the vertical asymptotes of the graph of graph of y=secx/logx for x≤2pi
Friday, July 30, 2010 at 12:35pm

12th grade
first first the dimensions of the room .... x(x+2) = 168 x^2 + 2x - 168 = 0 (x-12)(x+14) = 0 I am sure you can take it from here
Wednesday, July 21, 2010 at 8:40am

Math, not "12th grade"
Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Wednesday, July 21, 2010 at 8:18am

12th grade
If pi r^2 = 28.26, r^2 = 9.00 r = 3.00 cm Diameter = 6.00 cm Writeacher's method is correct
Tuesday, July 20, 2010 at 11:10am

12th grade-Advanced functions
provide any 2 solutions for the equation y=cot(1/2(theta-pi/2))-5 solutions may be in degrees
Monday, July 19, 2010 at 10:29pm

12th grade - Advanced Functions
the height, h, in meters, of a gold ball t seconds after is is hit can be modelled by the function: h (t) = 4.9t^2 + 32t + 0.2. When is the height of the ball 15 m?
Monday, July 19, 2010 at 9:54pm

12th grade
3x+3=3 3x=0 x=0/3 x=0
Saturday, July 17, 2010 at 11:32pm

12th grade
If you start with 20 grams of hydrochloric acid, how many grams of sulfuric acid will be produced? Round to the nearest tenth. Don't forget the units.
Thursday, July 15, 2010 at 1:12pm

12th grade
this is not possible because 3x and 3 are not like terms. in order to add you must have like terms. :)
Monday, July 12, 2010 at 1:07am

12th grade
3x+3=3 3x=0 x=0
Monday, July 5, 2010 at 5:26pm

12th grade
gaseous ammonia is made by the following reaction: N2+3H2 - 2NH3. if you start with 7 liters on nitrogen gas, how many liters of hydrogen are needed for a chemical reaction?
Monday, June 14, 2010 at 11:21am

12th grade math
Mary leaves a dock paddling her canoe at 3m/s. She heads downstream at an angle of 30 degrees to the current which is flowing at 4 m/
Sunday, June 13, 2010 at 12:56pm

12th grade
Does the size of a 1,5V cell(battery) affect the internal resistance of a circuit containing: 3 different size batteries,multimeter,connecting wire,a light bulb resistor.How do i set up this experiment.I'm really lost, please help. Thank you in advance
Saturday, May 22, 2010 at 3:18pm

12th grade
distance= average speed multiplied by time taken the answer is to convert the hours to minutes which would be 5 hours and 15 secs and multiply by 70 which iz360.5
Wednesday, May 19, 2010 at 5:44pm

12th grade Shakespeare
"O, what a rogue and peasant slave am I!" -Hamlet (Act II, ii) What are two interestin ways that Shakespeare uses language in this soliloquy?
Tuesday, May 18, 2010 at 8:16pm

12th grade history
I'm having a hard time answering my History questions.
Sunday, May 16, 2010 at 4:15pm

12th grade anatomy
Gray matter involves cell bodies — the whole cell dies. Therefore the damage is permanent.
Thursday, May 6, 2010 at 10:57am

12th grade anatomy
Gray matter involves cell bodies — the whole cell dies. Therefore the damage is permanent.
Thursday, May 6, 2010 at 10:57am

12th grade
why is damage to grey matter permenant and not white matter
Thursday, May 6, 2010 at 1:34am

12th grade
A thimb is 23.0 cm from a concave mirror. The focal point is 9.0 cm. Where is the image located?
Tuesday, May 4, 2010 at 1:53pm

12th grade Project work
You could use ribbons, glitter, and all those other crafts. You could just look up on the internet for lists of them.
Monday, May 3, 2010 at 10:48am

12th grade Project work
How can I prepare a beautifully decorated hand made file on a project work for school?
Monday, May 3, 2010 at 10:46am

12th grade
Simple equation : X = -sqrt(2)/sec(1/4) = -sqrt(2)*cos(1/4) It's not a round value.
Tuesday, April 27, 2010 at 5:43pm

12th grade
which of the following results in the graph of f(x)=xto the second powwer being expanded vertically by a factor of 3 and reflected over the x axis a.f(x)=(1/3)x^2 b.f(x)=-3x^2 c.F(X)=-(1/x^2)+3 d.f(x)=-(1/3)x^2
Tuesday, April 27, 2010 at 10:03am

12th grade agebra 2
for the first one, all real roots are 2, -2, and the square root of 2. i'm not sure of the second one. hope this helps.
Sunday, April 25, 2010 at 4:43pm

12th grade
In 10-15 lines critically discuss 5 ways in which the environmental problem impacts on the community. provide relevant sources to support your claims.
Sunday, April 25, 2010 at 8:05am

12th grade life orientation
15 lines critically discuss 5 ways based on crises in which the human or enviroment problem imqacts on the community
Sunday, April 18, 2010 at 12:03pm

12th grade (math)
I don't understand your set symbols or terminology. Compute 3x + y for each of the (x,y)points in the set and see for yourself where the maxima and minima are.
Sunday, April 18, 2010 at 11:16am

12th grade
Weight and volume are proportional to r^3. Multiply the weight of the smaller ball by (3/2)^3 , which is 27/8 = 3.375. 2.40 lb x 3.375 = ____ lb
Friday, April 16, 2010 at 1:21pm

12th grade
a ball with a r of 2inches weighs 2.40 lb.find the weight of a ball of the same material with 3 inches r
Friday, April 16, 2010 at 12:52pm

12th grade
Watch the news. Read daily newspapers. Volunteer for a local political party. Read weekly news magazines. Research on the web.
Wednesday, April 14, 2010 at 11:25pm

12th grade
Doesn't that depend upon your point of view? In the long run, I suppose it depends upon the wishes of the people -- but that may take a generation or two.
Monday, April 12, 2010 at 10:42pm

12th grade
How would one distinguish successful from unsuccessful assertions of judicial power? What is it that puts Marbury in one class and Dred Scott in another?
Monday, April 12, 2010 at 10:39pm

12th grade calculus
4) x - 4y = -31 2x - 4y = -34
Monday, April 12, 2010 at 5:16pm

12th grade.physics
three equal and similar charges each of 'q' units are placed at the corners of the square of side 'a' .find the electric field strength at the fourth corner?
Saturday, April 10, 2010 at 4:23am

12th grade
The radioactive isotope of Carcon (^14C)has a half life of 5730. What is the decay constant of ^14C? If we start with a sample of 1000 carcon nuclei, how many will be left in 22920 years time?
Thursday, April 8, 2010 at 12:34pm

12th grade trig
Not only do you need to state your question clearly, but it helps greatly to put you subject in the "School Subject" space.
Thursday, April 1, 2010 at 1:54pm

12th grade
(x-2)(x+2)(x^2+4)= 0 Giving the solutions x= +2;-2;-2i;2i (i being the imaginary unit)
Sunday, March 28, 2010 at 2:47am

12th grade math
25 + 144 cube root 169 cube root 13
Saturday, March 27, 2010 at 12:37pm

12th grade physics?
Please put subject heading in space labeled "School Subject." How hard/high was it kicked? How high was the roof from the ground? You need that information to start.
Monday, March 22, 2010 at 9:30pm

12th grade
i need help, can someone determine the quadrant in which the angles lie? pie/5 7pie/5 -pie/12 -2
Sunday, March 21, 2010 at 12:23am

12th grade
I need help paraphrazing a section from Robert Browning's poem "My Last Duchess" here it is : Fra Pandolf chanced to say "Her mantle laps Over my lady's wrist too much,"
Thursday, March 18, 2010 at 9:54am

12th grade economics
Frank wants to buy a $10,000 car. The car dealer offers him financing of 60 payments at 9% interest. What will his payments be assuming he pays $0 down?
Sunday, March 14, 2010 at 4:00pm

Math, not "12th grade"
Assistance needed. Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Sunday, March 7, 2010 at 8:10pm

12th grade math
(-3*-5) + 6 -2(-3) = 15 +6 +6 = 27 I have assumed that +6 is a separate added term and not part of (6-2), since there are no parentheses around "6-2" With parentheses there, the answer would be very different.
Sunday, March 7, 2010 at 7:49am

12th grade
12th grade ???? http://www.google.ca/search?hl=en&source​=hp&q=-3%284-9%29%2B6-2%28-8%2B5%29&btnI​=I%27m+Feeling+Lucky&meta=&aq=f&oq= -3(4-9)+6-2(-8+5) = -3(-5) + 6 - 2(-3) = 15 + 6 + 6 = 27
Sunday, March 7, 2010 at 7:48am

12th grade, graphing
Please put the specific subject you need help with in your subject area.
Wednesday, February 24, 2010 at 3:48pm

12th grade
The electric field between two parallel plates connected to a 40 V battery is 1550 V/m. How far apart are the plates?
Monday, February 22, 2010 at 10:11pm

12th grade
Similar yes, there are two lone pairs. The is whether hybridization will take place (it doesn't). Actual H angles is about 91 degrees, compared to water of about 104 degrees. The point is that the molecule is not linear, but bent.
Wednesday, February 17, 2010 at 8:10pm

12th grade government/economics
were thefoundinmg fathers able to crate a limited government that still exist today
Monday, January 25, 2010 at 10:17pm

12th grade science?
If you used copy and paste, the alternatives will not show up here. You can repost by typing out the alternatives, so we can give an adequate response.
Wednesday, January 20, 2010 at 12:03pm

12th grade
Square the 2 and square the 3. The answer is 4/9. (2/3) x (2/3) = 2^2/3^2 = 4/9
Tuesday, January 12, 2010 at 10:17pm

12th grade A.P. Government
My teacher has selected us to be in particular groups and I am a conservative. So I need to address Education and state the issues like how a conservative would. But I have no idea about it. Can someone please help me??? Please....
Tuesday, January 12, 2010 at 7:54am

US History, not "12th grade"
Please type your subject in the School Subject box. Any other words are likely to delay responses from a teacher who knows that subject well.
Tuesday, December 29, 2009 at 1:42pm

12th grade English
yea, im in ap english. But i do comparative essays.
Sunday, December 27, 2009 at 4:14pm

12th grade English
Ok yea sure. Tommorow afternoon ill be around here. P.s. 11th grader here, 16.
Saturday, December 26, 2009 at 7:34pm

12th grade English
BTW, priscilla can I talk with you tomorrow, I'm preety tired. If you're here tomorrow at the same time as today, that'd be great. PS. Just curious, how old are you?
Saturday, December 26, 2009 at 6:40pm

12th grade English
Priscilla is absolutely right. My suggestion for what to put in those body paragraphs is the deaths of certain characters -- NOT in chronological order. Post YOUR outline with details once you figure it out, and someone here will be happy to check it for you.
Saturday, December 26, 2009 at 3:58pm

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