April 20, 2014

Homework Help: 12th Grade

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Math - PreCalc (12th Grade)
The function f(x) = 2x + 1 is defined over the interval [2, 5]. If the interval is divided into n equal parts, what is the value of the function at the right endpoint of the kth rectangle? A) 2+3k/n B) 4+3k/n C) 4+6k/n D) 5+6k/n E) 5+3k/n
Friday, March 21, 2014 at 9:57am

Math - PreCalc (12th Grade)
ok so far, though they already told you that f(2)=3 because the point (2,3) is on the graph. As you know, the slope at any point (x,y) on the graph is 2x+2 So, the slope at x=2 is 6 Though, if this is pre-calc, how do you know the slope of the tangent to a curve? That's ...
Thursday, March 20, 2014 at 1:21pm

Math - PreCalc (12th Grade)
as with any arithmetic progression, Sk = k/2(a1 + ak) = k/2(1+5k-4) = k/2(5k-3) Sk+ak+1 = k(5k-3)/2 + 5k-4+1 (D) Don't forget your algebra I just because you're in pre-calc now.
Thursday, March 20, 2014 at 1:19pm

Math - PreCalc (12th Grade)
If Sn = 1 + 6 + 11 + 16 + 21 + 26...... where an = (5n − 4), what would be the mathematical expression represented by Sk + ak + 1? A) (k(5k − 3)/2)+ 5k + 1 B) (k(5k − 3)/2)+ 5k − 4 C) (k(5k − 3)/2)+ 5k + 2 D) (k(5k − 3)/2)+ 5k − 3 E) (...
Thursday, March 20, 2014 at 1:05pm

Math - PreCalc (12th Grade)
What value must be defined for f(4) to remove the discontinuity of this function at x=4? f(x)=(x^2−16)/(x−4) A) 0 B) 4 C) -4 D) 8 E) -8 f(4)=(4^2−16)/(4−4) f(4)=0/0 you can't divide by zero. I don't understand the question.
Thursday, March 20, 2014 at 12:38pm

Math - PreCalc (12th Grade)
If Sn represents the sum of the squares of the first n natural numbers, use proof by induction to find which of the following expressions for Sn is true? A) Sn = n(n − 1)/3 B) Sn = n(2n − 1)/3 C) Sn = n(n + 1)/3 D) Sn = n(n + 1)(2n + 1)/3
Thursday, March 20, 2014 at 12:23pm

Math - PreCalc (12th Grade)
Looks good to me. When finding a limit, first try just plugging in the given value. As long as you don't wind up with 0/0 or something else undefined, the resulting value is the limit, as long as the function is not defined differently on the two sides.
Wednesday, March 19, 2014 at 12:01pm

Math - PreCalc (12th Grade)
If the length of the minor axis of an ellipse is 6 units and the length of the major axis is 10 units, how far from the center are the foci located? A) 4 units B) 2 units C) √4 units D) √8 units E) 5 units
Wednesday, March 19, 2014 at 10:20am

12th grade
3x+3=3 3x=3-3 3x=0 x=0/3 .'.x=0
Sunday, January 26, 2014 at 11:55am

Geometry/Algebra 1/12th grade
I think the m means meters, as in unit of length: 6m 108 = 1/2 (x+6)(x) x^2+6x-216 = 0 (x-18)(x+12) = 0 since we want a positive side, x=18m If you really want to carry the m's along, just do so: 108m^2 = 1/2 (x+6)m*xm = 1/2 x(x+6)m^2 Now the m^2's cancel out, and we ...
Friday, August 30, 2013 at 3:13pm

math help please??
Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th, what would be the first date that she has to choose between cheerleading and play practice? LCM 4...
Wednesday, December 5, 2012 at 11:04pm

The volleyball court -if it id 80 ft long and 50 ft wide, how would you find the dimensions of the court? Explain please! Remember that I am a 6th grader. Please don't give me a 10-12th grade answer.
Monday, September 24, 2012 at 8:50pm

12th grade math
a block of mass 77kg is placed at the top of a frictionless plane that is inclined 46degrees to the horizontal. The height of the plane is 23 meters. find the speed of the block at the bottom of the plane. Show the steps please, -thanks
Monday, June 11, 2012 at 8:17pm

Write a program that asks the user to input a grade that he or she received on an exam. The grade is an integer from 0 to 100 inclusive. The program should convert the numeric grade into the equivalent letter grade. Do the conversion by using a function Letter_Grade () that ...
Friday, May 18, 2012 at 10:53am

12th grade
on the "aster flower." What time of year might be symbolized by the aster flower and the other images of plant life found in the poem? How do these images contribute to the overall mood of the poem?
Thursday, May 10, 2012 at 11:10pm

Physics (12th Grade)
V2 = (ρ•g•h+p)• V1/ p = = (1000•10•50 + 100000) •15/100000 = 90 cm^3 ρ = 1000 kg/m^3 is the density of water, p is the atm. pressure
Monday, April 9, 2012 at 8:54am

Physics (12th Grade)
isothermal bulk modulus of elasticity K(T) = P adiabatic bulk modulus of elasticity K(a) = γP, where P is the pressure, γ = C(p)/ C(v) is ratio of specific heats – adiabatic exponent K(a) =γ• K(T) = 1.4•1.5•10^5 = =2.1•10^5 N/m^2
Monday, April 9, 2012 at 8:25am

Physics (12th Grade)
In changing the state of a system from state A to state B adiabatically the work done on the system is 322 J. If 100 cal f heat are given to the system in bringing it from state A to state B, then what will be the work done on the system in this process?
Monday, April 9, 2012 at 12:41am

Physics (12th Grade)
The isothermal bulk modulus of elasticity of a gas is 1.5 * 100000 N/m^2. What will be its adiabatic bulk modulus of elasticity?
Sunday, April 8, 2012 at 1:15pm

Math Lit
In a school there are 122 grade 8s, 105 grade 9s, 134 grade 10s, 109 grade 11s, 90 grade 12s. Express Each Class as a percentage of the whole school.
Sunday, February 5, 2012 at 2:42pm

12th Grade Calculus
Strange, you are taking Calculus and ask how to multiply (ae^(3x) + be^(-2x))(3ae^(3x) - 2be^(-2x) ) ?? = 3a^2 e^(6x) - 2ab + 3ab - 2b^2 e^(-4x) = 3a^2 e^(6x) + ab - 2b^2 e^(-4x)
Sunday, January 22, 2012 at 9:40am

math 12th grade
x^2 + y^2 = r^2 x = rcosθ y = rsinθ r^2 = 4 sin2θ r^2 = 8sinθcosθ r^2 = 8 * y/r * x/r r^4 = 8xy (x^2 + y^2)^2 - 8xy = 0 (x+1)^8 = x^8 + 8x^7 + 28x^6 + 56x^5 + 70x^4 + ... (x+2)(x+1)^8 = ... + 70x^5 + ... + 112x^5 + ... = ... + 182x^5 + ...
Wednesday, January 18, 2012 at 11:53pm

Letter to Teacher
Lauren the letter is not proper if your in the 12th grade. This is a good example to start your letter and i believe a much more better way... Dear Mrs. Gebbia, My name is Lauren Jean-Baptiste, I'm writing to you today because I'm interested in joining the schools ...
Sunday, October 2, 2011 at 8:15pm

Physics 12th grade
A farm tractor is pulling 2 pieces of equipment east, with each piece of equipment 25 north and south of the x axis. If it takes 50,000 N of force on each chain to keep the equipment moving, then what is the total force of the tractor in the x direction?
Monday, September 26, 2011 at 6:34pm

12th grade chem
Which of the following statements about ideal conditions for gases is considered untrue? A. 1 mole of gas occupies 22.4 L at STP. B. 2 moles of gas occupy 22.4 L at STP. C. STP equals 1 atm at 237 K. D. STP equals 101.3 kPa at 273 K.
Thursday, June 2, 2011 at 9:51am

12th grade maths
How do you express x^2-49? (x+7)(x-7) X(times)X = X^2 (positive 7) (times) (negative 7)= -49 X^2-49 is (x+7)(x-7).
Monday, March 14, 2011 at 3:13pm

Calculus 12th grade.
1. A body is moving along a straight line with a velocity which varies according to the equation v=9t^2+2t, where v is in feet per second and t is in seconds. Find the expression for the distance as a function of time. A. 3t^3+t^2+C B. 3t^3+2t^2+C C. 18t+C D. 20t+C My answer ...
Saturday, March 5, 2011 at 10:04pm

12th grade Trigonometry
Solve this trigonometric equation.give all positive values of the angle between 0deg and 360deg that will satisfy. Give any approximate value to the nearest minute only. 3 sin theta - 4 cos theta = 2
Friday, March 4, 2011 at 6:31am

12th grade, Advance Algebra
I have a very old DAL, a EL-509VH, but they should work the same way. to take log 35 I enter: log 35 = to get 1.544.... some calculators require you to enter the number , then pressing the log.
Sunday, February 27, 2011 at 8:19am

12th grade chemistry
If the reaction below proceeds with a 96.8% yield, how many kilograms of CaSO4 are formed when 5.27 kg SO2 reacts with an excess of CaCO3 and O2? 2 CaCO3(s) + 2 SO2(g) + O2(g) 2 CaSO4(g) + 2 CO2(g)
Thursday, January 27, 2011 at 10:34pm

Physics 12th Grade
Two girls with masses of 50.0 kg and 70.0 kg are at rest on frictionless in-line skates. the larger girl pushes the smaller girl so that the latter rolls away at a speed of 10.0 m/s. What is the effect of the action on the larger girl? What is the impulse that each girl exerts...
Tuesday, January 25, 2011 at 1:09pm

Physics 12th Grade
The work done drawing the bow is W = (average force)*(distance pulled) = 286 Joules Set that equal to the potential energy gained at highest altitude, H M g H = 286 J H = 286/(0.34*9.8) = ____? Note that kinetic energy does not enter into the equation at highest altitude ...
Wednesday, January 5, 2011 at 12:39pm

Physics 12th Grade
An archer puts a 0.34 kg arrow to the bowstring. An average force of 220 N is exerted to draw the string back 1.3 m. Assume that air resistance is negligible. If the arrow is shot straight up, how high does it rise? I am confused at how to find the distance that it will rise.
Wednesday, January 5, 2011 at 12:07pm

12th Grade Calculus
simplify your first derivative before going further notice you can divide each term by 1/3 to get x^(-2/3) + y^(-2/3) dy/dx = 0 dy/dx = -x^(-2/3) / y^(-2/3) = - y^(2/3)/x^(2/3) = - (y/x)^(2/3) d^2y/dx^2 = (-2/3) (y/x)^(-1/3) [( xdy/x - y)/x^2) replace the dy/dx in the square ...
Tuesday, December 14, 2010 at 10:39pm

12th grade
Firm A offer 40,000 salary with $2,000 increase evey year. FIRM B offer 38,500 salary with 5% increse every year. After how many year he will make same money?
Monday, December 6, 2010 at 11:20pm

12th grade
height of the tree O ________________________ = __ Tan 25= Cast shadow of the tree A 41 Cast shadow = ________ tAN 25 = 87.9
Thursday, December 2, 2010 at 6:07pm

12th grade
A farmer has 100 yards of fencing to form two identical rectangular pens and a third pen that is twice as long as the other two pens, as shown in the diagram to the right. All three pens have the same width, x. Which value of y produces the maximum total fenced area?
Thursday, December 2, 2010 at 4:52pm

12th grade math
Asymtote is at y=-9 . Remember for Exponential functions you can tell the aymptote by looking at the value which gives the Vertical translation up or down. In this case the vertical translation is 9 units down so therefore the asymptote is y=-9.
Wednesday, December 1, 2010 at 8:56pm

12th Grade Calculus
a) correct b) smallest slope ---> minimum slope so set derivative of slope = 0 that is, the 2nd derivative = 0 and solve c) set 3x^2 - 9 = 18 and solve You will get two differenent x's, find the matching y's and do the usual thing to find the equation.
Sunday, November 28, 2010 at 11:18am

12th Grade Calculus
1. a.) Find an equation for the line perpendicular to the tangent curve y=x^3 - 9x + 5 at the point (3,5) [* for a. the answer that I obtained was y-5 = -1/18 (x-3) ] b.) What is the smallest slope on the curve? At what point on the curve does the curve have this slope? c.) ...
Sunday, November 28, 2010 at 11:09am

12th Grade English
ok here's what my workbook says Circle the letter of the best synonym for the word(s) in bold-faced type. INCUMBENT UPON all officials (incumbent upon is bold-faced.. these are the options a) the parameters of b) the duty of c) the term of office of d) the puissance of e) ...
Sunday, November 21, 2010 at 11:34am

12th Grade English
We have to find the synonym of the word in bold. I have a few choices but I'm stuck between two.. The words in bold are incumbent upon the phrase reads: incumbent upon all officials Deciding to choose between a) the duty of b) the term of office of
Sunday, November 21, 2010 at 9:52am

12th grade
An odd question. Macroscopic concepts such as melting temp, density, cannot be applied to microscopic particles such as atoms. An atom does not have a melting temperature. I am wondering if you mistyped the word element here, and should have used instead substance. Compound ...
Friday, November 19, 2010 at 1:38pm

12th grade
Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the element have very different melting temperatures and densities. The unknown substance is most likely a what?
Friday, November 19, 2010 at 1:30pm

12th grade
on the "aster flower." What time of year might be symbolized by the aster flower and the other images of plant life found in the poem? How do these images contribute to the overall mood of the poem?
Monday, November 8, 2010 at 11:43am

12th grade PYSICS
A 45.7-kg boy on a swing moves in a circular arc of radius 3.80 m.At the lowest position, the child's speed reaches 2.78 m/s. Determine the magnitude of the tension in each of the two vertical support chains. i used mv^2/r, but i keep getting the answer wrong. the answer ...
Sunday, November 7, 2010 at 6:57pm

12th grade
Solve & plot a graph for the following: F(X)=cos(X)-cos to second power X for the interval negative pi greater than or equal to X less than or equal to positive pi
Saturday, November 6, 2010 at 8:33pm

12th grade
Wheat is falling from a chute onto a level floor at a rate of 8pi ft3/min to form a conical pile. If the height of the pile is always equal to the radius of its base, at what rate is the radius increasing when the pile is 8 ft deep?
Saturday, November 6, 2010 at 7:03pm

12th grade
You're riding on a train that's moving at 50 km/h, and you roll a ball down the aisle at 2 km/h in the same direction as the train is moving. If a person standing on the ground near the train track could see the ball, how fast would it appear to be moving?
Tuesday, November 2, 2010 at 5:52pm

12th grade (physics)
a car with bad shock absorbers bounces up and down with a period of 0.731s after hitting a bump. The car has a mass of 1850kg and is supported by four springs of equal force constant k. Determine a value for k. Answer in units of N/m. if you can, could you explain how to get ...
Thursday, October 28, 2010 at 7:27pm

12th grade
A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 13 m/s. The cliff 42 m above the water’s surface With what speed does the stone strike the water? Answer in units of m/s..
Wednesday, October 27, 2010 at 10:29pm

12th grade chemistry
Use the combined mass (250 g) and the density of the solution (which you were given) to compute the volume of the solution. Once you have the mass of perchloric acid and the total volume, molarity is easily computed. The formula for percholroic acid is HClO4. You will need ...
Sunday, October 24, 2010 at 4:51pm

12th grade-chemistry
what mass of lead (ii) iodide (pbl2, mass=461 amu)is precipitated by the addition of an excess of potassium iodide (ki, mass=166 amu)to 50.0 ml of 0.60 m lead (ii) nitrate (pb(no3)2, mass=331.2 amu)?
Wednesday, October 20, 2010 at 12:53pm

12th grade
A certain parallel plate capacitor consists of two identical aluminium plates each of area 2times 10^-4 m^2.the plates are seperated by a distance of 0,03mm, with air occupying the space between the plates. 1-CALCULATE THE CAPACITANCE OF THE CAPACITOR. AND 2-CALCULATE THE ...
Sunday, October 10, 2010 at 7:27pm

12th grade
Carefully describe the following distribution of ages (in years). Remember to include the shape, center, and spread. {20, 22, 24, 26, 23, 19, 34, 44, 25, 26} Are there any outliers? Justify your answer with calculations and explanation.
Tuesday, October 5, 2010 at 10:22am

12th grade
bikes tyre filled with air pressure=6 atm =6x10^5 Pa on tempreture 20c = 20+273 = 293 K.. we used the bike on tempreture at 45 c the volume increase by 2%. find the new volume?PV=nRT
Sunday, September 26, 2010 at 4:54pm

12th grade
The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the length (the longer side) of the rug be?
Friday, September 24, 2010 at 10:36am

12th grade physics​quare_speed
Monday, September 20, 2010 at 12:11pm

12th Grade Maths
when you have variable with the same base, you can add, subtract, or multiply the exponents to simplify. in this case you subtract because the equation is a fraction. you also divide the 24 by 3 answer= 8 ( the e's cancel because they have the same exponent)
Thursday, September 16, 2010 at 10:13pm

12th Grade Math
ap+b=c-dp Add dp and subtract b from both sides of equation. ap + dp = c- b p(a+d) = c-b Divide both sides by a+d. p = (c-b)/(a+d) I'll let you do the second equation.
Wednesday, September 15, 2010 at 12:22pm

12th grade math
What factors does 14 have that can be combined with factors of -2 to add/subtract to get the middle value? 14x^2-3x-2 = (7x + 2)(2x - 1) I cannot find the factors for 2x^2 + 6x - 16. Are you sure you don't have a typo? x^2 + 6x - 16 = (x + 8)(x -2)
Monday, September 6, 2010 at 8:47pm

12th grade - Math
factoring usually assumes we are dealing with rational numbers x^2 - x + 12 = 0 does not factor (there are no two numbers which multiply to get 12 and add to get -1) 2. x(4x^2 + 21x - 18) = x(4x - 3)(x + 6) 3. grouping x^2(x-1) - 1(x-1) = (x-1)(x^1 - 1( = (x-1)(x-1)(x+1) or (x...
Wednesday, September 1, 2010 at 9:57am

12th grade-Advanced functions
This isn't too difficult to find. The first thing you need to do here is multiply out the whole equation. It will be in the form kx^3, with an x^2, x, and final term. The final term is the y intercept. This value will be a constant times k. Set that equal to 24 and solve ...
Friday, July 30, 2010 at 4:44pm

12th grade-Advanced functions
Vertical asymptotes occur when the denominaotrs of your function equal zero. y = secx/logx is the same as y = 1/(cosx logx) so you would have those asymptotes when cosx = 0 or logx = 0 x = pi/2 or 3pi/2 or x = 1
Friday, July 30, 2010 at 3:12pm

12th grade chemistry
get the molmass of the copper sulfate you are using, I suspect it is not copperIIsulfate (anhydrous), but is copperII sulfate pentahydrate. At any rate, find the mol mass. Mass needed: molmass*molarity*volumeinliters. So take that mass (in grams), add water to make up .5liters...
Friday, July 30, 2010 at 1:47pm

12th grade
The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the length (the longer side) of the rug be?
Wednesday, July 21, 2010 at 8:15am

12th grade-Advanced functions
y = cot (1/2)(Ø-π/2) - 5 let Ø = π y = cot π/4 - 5 = -4.5 -----> (π, -4.5) let Ø = π/3 y = cot (-π/6) - 5 = -√3 - 5 --- > (π/3 , -√3-5) (it would be silly to use degrees here)
Monday, July 19, 2010 at 10:43pm

12th grade - Advanced Functions
You have a typo, there should be a negative sign in front of 4.9t^2 so you want h(t) to be 5, ... 15 = -4.9t^2 + 32t + .2 4.9t^2 - 32t + 14.8 = 0 solve using the quadratic formula, you should get two positve answers, one will be the time on its upwards path, the other will be ...
Monday, July 19, 2010 at 10:22pm

12th grade
80,000+38250+26,500-(16/100)(80,000+3825​0) WHAT IS THE ANSWER AND HOW DID YOU GET IT \
Sunday, July 4, 2010 at 4:04pm

12th grade
air quality impact to air quality energy economic impact in businesses
Friday, June 25, 2010 at 2:47am

12th grade
The Swiss franc is selling for $.7681 and the British pound is selling for $1.6581. The cross rate between the franc and the pound is? I figured out 2.16 but I have so much scribling over it I cant now refigure it out with our gettting it correct again. Can someone simplify ...
Wednesday, May 12, 2010 at 10:47pm

12th grade agebra 2
For the first one : You put X = x² Then you have (variable change) : X² - 6X + 8 = 0 And you use common tools to solve that (use delta). You find X = 2 or X = 4. You have x² = X, so x = sqrt(X) or x = -sqrt(X). Here, the solutions are sqrt(2), -sqrt(2), 2, -2. ...
Tuesday, April 27, 2010 at 5:40pm

12th grade economics
10,000 * 0.09 * 5 = 4,500 10,000 + 4500 = 14,500 14,500 / 60 = 241.67
Sunday, March 14, 2010 at 5:44pm

12th grade Government
The U.S. Constitution is written to prevent an oppressive central authority. The Congress has representives from the states. The Senate has two representatives from each state. The House representatives each represent a given number of citizens. In addition, the balance of ...
Wednesday, March 3, 2010 at 9:35pm

12th grade
the constitution was written in order to establish a stronger central government that that provided by the articles of confederation, however the whole point of th american revolution was to renounce an oppressive central authority. explain this apparent reversal in the ...
Wednesday, March 3, 2010 at 9:32pm

12th grade
a tortoise and a hare are running in a race you are asked to prepare graps similar to those in your reading material to graph the progress of each animal during the race. as in the text, distance is the vertical scale of your graph and time is the horizontal scale. the ...
Wednesday, February 24, 2010 at 3:07pm

12th grade
(Voltage difference)/(plate separation) = Electric field (40 V)/(plate separation) = 1550 V/m Solve for the plate separation in meters
Monday, February 22, 2010 at 11:40pm

12th grade
In a TV set, a beam of electrons is shot horizontally from the rear of the TV tube toward the screen with a speed about 1x10^7 m/s. If the distance from the rear of the TV set to the front is .5m, approximately how far do the electrons drop because of the gravity as they move ...
Wednesday, February 17, 2010 at 11:59pm

12th grade
The three fifths compromise and the commerceand slave trade compromise were included in the constitution at the insistence of the southern states. Why did states in the south think these items were important and what price, if any, did southern states pay for their inclusion
Monday, January 25, 2010 at 7:06pm

12th grade-Math
Your first job should be to determine the dimensions of the floor. Let X = width, then X + 2 = length. The area is 168; therefore, X(X+2) = 168 which expands to X^2 + 2X - 168. Solve that for X and X+2 then look to see how much smaller the rug should be. Post your work if you ...
Tuesday, January 19, 2010 at 4:34pm

12th grade
The legnth of a rectangular floor is 2 feet more than it's width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the legnth of the rug be?
Tuesday, January 19, 2010 at 4:25pm

12th grade (chemistry)
Temperature, pressure, surface area (if a surface reaction), concentrations of reactants, presence of catalysts, presence of reaction inhibitors, rate of diffusion (mixing of reactants)
Friday, January 15, 2010 at 12:44am

12th grade
Decide whether each of the following is a characteristic of the North-Puritanism,South-Gentleman planters or both the north and the south. Came to America to find freedom to worship and the promised land - The North-Puritanism; The South-Gentleman Planters; or Both.
Tuesday, December 29, 2009 at 1:38pm

12th grade English
Well I made some quick changes and I also made a lot of changes 2-3 hours ago, and didn't make a lot of new changes cause I felt lazy, anyway what do u think improved and what do u think is really crucial that i change?
Saturday, December 26, 2009 at 6:36pm

12th grade English
I would include the first and second paragraph together since it's about the same character. At least use two or three characters and explain their actions as to how it led to their actions. or You can just expand on your first body paragraph and include a third paragraph ...
Saturday, December 26, 2009 at 4:33pm

12th grade English
Ok, i suggest making an outline for this. Outline I. Introduction II. Body Paragraphs A. 1st B. 2nd C. 3rd III. Conclusion Decide how you want to do your body paragraphs by putting examples of characters and their actions
Saturday, December 26, 2009 at 3:39pm

12th grade English
Priscilla, I think its sort of like an analysis essay, like what led to each death, and how one death lead to another death. My teacher doesn't really specify and didn't give me a rubrik either, she's very unprofessional.
Saturday, December 26, 2009 at 12:58pm

12th grade Physics
Force = Q1*Q2/(4πεr²) So if 20 N = k*Q1*Q2/r² What is F=k*(2Q1)(3Q1)/(r/2)² ?
Tuesday, December 15, 2009 at 11:51pm

12th grade Physics
charges of +1.000 C are located at the corners of a 45-45- right triangle which has a hypotenuse that is 1.414 m long. Determine the resultant force on the charge located at the vertex of the right angle.
Tuesday, December 15, 2009 at 8:41pm

12th grade world history
Probably, although this connection hasn't been definitely proven.
Monday, December 14, 2009 at 8:04pm

12th grade AP Politics
The process for amending the Constitution is clearly spelled out in Article V:​on If anything "illegal" manages to get through this process, the Supreme Court will decide deal with it, as Bobpursley has said.
Monday, November 30, 2009 at 12:20pm

12th grade AP Politics
What are some of the illegal ways to add amendments to the Constitution? Why are these ways prefered rather than the legal methods? Please help...I found the legal ways but don't know the illegal one. I have searched google but they don't have any answer. Thank you!!!
Monday, November 30, 2009 at 11:12am

12th grade Physics
If you mean 30 degrees West of North, then Northcomponent: 24Cos30 Eastcomponent: -24Sin30 Now if you meant 30 degrees North of West, it is something else.
Wednesday, November 4, 2009 at 10:36am

12th grade (Physics)
A highway is to be built between two towns, one of which lies 44.0 km south and 74.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed?
Wednesday, October 21, 2009 at 1:49pm

Arithmetic, not "12th grade" Read about adding fractions, including finding the lowest common denominator.
Friday, October 16, 2009 at 11:06am

Government, not "12th grade"​hts Scroll down and find the particular bill of rights you want. Dates are there.
Monday, October 12, 2009 at 2:11pm

12th grade
i have to write my essay about "the wife of Bath's tale" and first i need to explain how " the wife of Bath's tale"' can be read as both a pro-feminist and an anti-feminist stroy" second, provide an arguemtn as to which I believe the story ...
Monday, October 5, 2009 at 1:34am

12th grade chemistry
I can't find anything in my books about oxidation of carboxylic acids. Lots of material on reduction as well as on changing to acid chlorides, esters, nitriles, etc, but nothing on oxidation. Since -COOH already represents the ultimate, my best guess is no, acetic acid and...
Sunday, October 4, 2009 at 5:08pm

12th grade chemistry
Thanks for your answer DrBob. I am still stumped.The question I was asked to answer is Do acetic acid and stearic acid undergo controlled oxidation reactions? Explain why/why not and draw an equation to illustrate the answer.
Sunday, October 4, 2009 at 4:53pm

12th grade,social studies
"What is YOUR point of view?" We have no idea what you think about this topic. After you have done some thinking about YOUR opinion and some writing about what YOU think, we will be happy to make further suggestions if needed.
Wednesday, September 23, 2009 at 3:10pm

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