October 5, 2015

Homework Help: 12th Grade

12th grade
Need help on the book of beowulf- what it the evil between the two religions christian and pegeon.
Monday, October 12, 2009 by Eric

12th grade
How long did it take the Bill of Rights to come into effect?
Monday, October 12, 2009 by kenia

12th grade government
How does the new class differ from more traditional elites in its political attitudes?
Sunday, October 11, 2009 by Anonymous

12th grade english
i cant figure out how to put cordon in a sentence if the definition is *a cord or braid worn as a decoration* please help!
Wednesday, September 30, 2009 by thumper09

11th grade u.s. history
Im doing a project on the 12th amendment but im having a hard time finding the questions ive been working this for like well dis will be my 5th day working on it im not good at finding stuff on the internet anyway i have to find out why was the 12th amendment necessary,what ...
Monday, September 28, 2009 by A

12th grade
Does knowledge acquired in highschool liberate or hinder students? Please help explain the question and your opinion.
Saturday, September 26, 2009 by eng

12th grade
According to the social contract theory, the contract is
Wednesday, September 16, 2009 by Monica

12th grade
is there any sites that can you can suggest for an essay that I'm doing on how young people who believe in their words and ideas can change our world?
Wednesday, September 9, 2009 by michelle

12th grade A.P. Economics
Compare the mixed economies of various nations along a continuum between centrally planned and free market systems.
Saturday, September 5, 2009 by Ami

12th grade expository writing
Can somebody help me with writing?
Thursday, August 20, 2009 by unclandy

12th grade history
Which groups of people were not afforded all the rights stated in the bill of rights?
Thursday, August 13, 2009 by jesseka

12th grade AP Economics
Why might an economist look at the hundreds of cars moving along an assembly line an say, “ There is an example of scarcity”?
Thursday, August 6, 2009 by Anonymous

12th grade
the voting right act of 1965 specially removed from voting in the U.S.
Wednesday, July 15, 2009 by Anonymous

12th grade English
How does Saki in "The image of the lost soul" use descriptions of places to reach desired effect in story? Can anyone tell me how? an example form the text would be helpful
Thursday, July 2, 2009 by Derek

12th grade AP Economics
Making a list of what you would consider the most important trade-offs of spending more money on air-travel safety. Can someone please help me!!!
Wednesday, July 1, 2009 by Anonymous

12th grade
How much current flows in a 12 watt rad?io connected to a 120-Volt circuit
Monday, June 29, 2009 by anonymous

12th grade- Trigonometry
Find the exact value of each expression Cos^-1(0) Tan^-1 sqrt(3)/3 Sin^-1(1) Since the expressions are capitalized, I'm not sure if I have to do anything different. Any help is appreciated.
Thursday, May 14, 2009 by Kate

senior courses
this is a reply to Ms.Sue's question yesterday. my college and career goals are to do with Foods. cooking, culinary arts .. but i don't think that i can chose my next year (12th grade) courses according to that, can i? those are my plans for college right now i'm ...
Wednesday, April 29, 2009 by y912f

12th grade
If an economy has elements of more than one economic system. it is a ________.
Thursday, April 16, 2009 by Claudia

12th grade chemistry
Calculate the number of grams in the following :[149.096 g/mole] 8.55 moles of (NH4)3PO4 IT WOULD BE NICE IF I CAN GET STEP BY STEPS TO GET ANSWER !!!
Monday, March 30, 2009 by Janice

12th grade
Ode on a Grecian urn What does "all breathing human passion far above" mean in line 28?
Tuesday, March 3, 2009 by Anonymous

12th grade
what mass of copper may be produced when excess CuSO4 is reacted with 100g of aluminum metal?
Monday, February 23, 2009 by carson

12th grade Data
In this sequence, tk is a factorial number, often written k!. Show that tk=k!=k(k-1)(k-2)...(3)(2)(1)
Monday, February 23, 2009 by Josh

12th grade
whick is a positive connotaion of the word inactive? a)lazy B)passive C)relaxed d)slacked
Friday, February 20, 2009 by kayla

12th grade
Write the chemical equation for Sulfiric Acid and potassisum sulfate the product is potassium sulfate and water.
Monday, February 16, 2009 by Liz

12th grade bio
The transition of the lips where the outer skinner and inner mucous membrane meet is called the _________ I looked it up and from what I read I believe it is the gingivae. Would that be correct. Thank you
Thursday, February 5, 2009 by ali

12th grade
A particle starts at x=0 and moves along the x-axis with velocity v(t)=2t+1 for time t is less than or equal to 0. Where is the particle at t=4?
Tuesday, January 6, 2009 by Barbara

12th grade history
Why did the Roman Catholic reform leaders believe that the fundamental aspect of improving the Church was to enhance the performance of the clergy?
Wednesday, December 17, 2008 by Julie

12th grade (Law)
Could you tell me some information about NATO? I have to do a project for my law course and need to know how it impacts the world.
Monday, December 15, 2008 by Ashley

12th grade chemistry!!
Where on the periodic table would you find elements that ionize to form cations and anions?????
Sunday, December 7, 2008 by courtney

12th grade calculus
a marathoner ran the 26.2-mi New York City marathon in 2.2h. show that at least twice, the marthoner was running at exactly 11 mph
Thursday, November 6, 2008 by ee

12th grade calculus
find the derivative of y with respect to the appropriate variable y=sec^-1*5s
Sunday, October 19, 2008 by dt

12th grade calculus
find the derivative of y with respect to the appropriate variable. y=sin^-1ã2t ã =radical
Sunday, October 19, 2008 by dt

12th grade calculus
find the lines that are (a) tangent and (b) normal to the curve at teh given point x^2 + xy - y^2 = 1
Sunday, October 19, 2008 by dt

12th grade
How is the structure of the female and the male reproductive system suitable for their functions? Please reply soon!!! Thanks.
Thursday, October 16, 2008 by Crystal

12th grade
I'm having trouble ordered triple in algebra 2 w/ trigonometry, could someone please hellllllllllllllllllp me!
Monday, October 13, 2008 by She'koyea

12th grade Math?
How would you factor 3x^3-4x^2+4x-1? P.S. Factor theorem does not work here.
Sunday, October 12, 2008 by BioBabe

12th grade
Think of a business in your local area. Describe its operation in terms of factor markets and product markets.
Sunday, September 21, 2008 by Esmeralda

12th grade
In statistic: How to construct a duble steam display for the minutes it took the mailperson to deliver mail as listed: 80 68 56 64 69 70 64 70 62 73 69 82 62 58 63 65 67 54 71 61 67 75 70 66 62 73 59 58 78
Saturday, September 20, 2008 by russ

12th grade math!!!
what is the prime power factorizatopn of 554 706 758 514 844 830 788 677
Wednesday, September 17, 2008 by chris

12th grade Science
A bud covers the bloom but when it erupts it holds up the flower from underneath find the name it’s divided into together and alone? -thanks-
Wednesday, September 10, 2008 by Nancy

12th grade
Which one of the following items is an example of a symbol in "Bernice Bobs Her Hair
Wednesday, September 10, 2008 by kita

12th grade
Given that x is an inetger, state the relation representing each equation by making a table of values. y=3x+5 and -4<x<4
Wednesday, September 3, 2008 by Liz

12th grade
Why is it difficult to recognize the worth and dignity of all individuals at all times?
Wednesday, September 3, 2008 by chris

12th grade
determine teh number of ways arranging the letters in the word handle if there are no restrictions?
Thursday, August 28, 2008 by Linda

12th grade government/economics
If no candiate for the presidency wins a simple majority of the total number of electoral votes, what body has the power to choose the president?
Sunday, August 24, 2008 by Cristina

12th grade government/economics
what are two ways that amendments to the constitution can be ratified?
Sunday, August 24, 2008 by Cristina

12th grade government/economics
what are two ways that amendments to the constitution can be proposed?
Sunday, August 24, 2008 by Cristina

12th grade government/economics
The Constitution specifies a three-fourths marjority for just one process. what?
Sunday, August 24, 2008 by Cristina

10th grade math
1.548937075 x 10 to the 12th. round the number to 3 significat figures. I thought I would respost this because the other one was getting confusing
Tuesday, August 19, 2008 by Rebekah

Math - PreCalc (12th Grade)
The function f(x) = 6x + 5 is defined over the interval [-1, 4]. If the interval is divided into n equal parts, what is the value of the right end point of the first rectangle?
Friday, March 21, 2014 by Shawna

Math - PreCalc (12th Grade)
How many 4-digit numbers are possible if the hundreds digit is 8 and if repetition of digits is allowed? A) 100 B) 1,000 C) 9,000 D) 900 E) 1,800
Friday, March 21, 2014 by Shawna

Math - PreCalc (12th Grade)
The function f(x) = x2 − 5 is defined over the interval [0, 5]. If the interval is divided into n equal parts, what is the area of the kth rectangle from the right? A) [(2+k(5/n))^2+5](5/n) B) [(k(3/n))^2−5](5/n) C) [(k(5/n))^2+5](5/n) D) [(k(3/n))^2+3](5/n) E) [(k...
Friday, March 21, 2014 by Shawna

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 by Shawna

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 by Shawna

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 by Shawna

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 by Shawna

Math - PreCalc (12th Grade)
What does this function show at x = 5? f(x)=x^2−25/x−5 A) removable discontinuity B) jump discontinuity C) infinite discontinuity D) continuity E) none of the above
Wednesday, March 19, 2014 by Shawna

Geometry/Algebra 1/12th grade
Find the value of x. Round u'r answer to the nearest hundredth, if necessary. Area of triangle=108m^2 A=1/2 bh b=(x+6)m h=xm So, 108m^2=1/2 ((x+6)m)(xm) 108m^2=1/2 m^2+x^2+6???? If so then what? Sub m^2 from the left side?? Then what? :/
Friday, August 30, 2013 by Help now please

Adv Chem 12th grade
4. Given the chemical formulas of the following compounds, name each compound and state the rules you used to determine each name. • RbF • CuO • (NH4)2C2O4 (Note: C2O4– is called oxalate.)
Wednesday, December 19, 2012 by Taylor

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 by D

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 by frusterated

Physics(12th grade)
When the temperature of a gas in a vessel is increased by 1C then the pressure is increased by 0.5%. what will be its initial temperature?
Monday, April 9, 2012 by Tulika

Physics (12th Grade)
When an ideal diatomic gas is heated at constant pressure then what fraction of heat given is used to increase internal energy of gas?
Monday, April 9, 2012 by Tulika

Physics (12th Grade)
In a certain process 500 cal of heat is given to a system and the system does 100J of work. What will be the increase in internal energy of the system?
Monday, April 9, 2012 by Tulika

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? Given the ratio of Cp/Cv=1.4
Monday, April 9, 2012 by Tools

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 by Tools(plz help its really urgent)

On a map of downtown, 12th street is perpendicular to Avenue J. The equation y=-4x+3 represents 12th street. What is the equation representing Avenue J if it passes through the point (8,16)?
Thursday, January 5, 2012 by jackson

12th grade physics
A person pulls a wagon through thick grass with a force of 800 N. The angle that the handle makes with the ground is 35. How much force moves the wagon forward?
Monday, September 26, 2011 by Kayin

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 by George

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 by anon

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 by anon

12th grade, Advance Algebra
How to press the value of log, to evaluate log, to find the unknown log using EL-531WH, advance D.A.L
Sunday, February 27, 2011 by Eunthin

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 by Matt

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 by Sarah

12th grade
one type of probability used everyday is: a)experienced probability b)scientific probability c)frequency of occurence d)none of the above
Wednesday, December 15, 2010 by david

12th Grade Calculus
Find d^2y/dx^2 by implicit differentiation. x^(1/3) + y^(1/3) = 4 I know that first you must find the 1st derivative & for y prime I got 1/3x^(-2/3) + 1/3y^(-2/3) dy/dx = 0 Then for dy/dx I got dy/dx = [-1/3x^(-2/3)] / [1/3y^(-2/3)] I think that from here I would use the ...
Tuesday, December 14, 2010 by Liz

12th grade
Objects on the moon's surface have an acceleration due to gravity one-sixth that on the earth's. What would the 40 kg boy weigh on the moon? (Round answer to nearest tenth.)
Thursday, December 9, 2010 by Jenna

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 by LoLo

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 by Samii

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 by Alex

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 by Nazish

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 by April

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 by Bodi

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 by Anonymous

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 by steenwick artist composer from the baroque period.

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 by Leanna

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 by Les

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 by joe

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 by Enya

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 by Nish

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 by Paris

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 by DIAOMD

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 by Anonymous

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 by Luke

12th grade Project work
How can I prepare a beautifully decorated hand made file on a project work for school?
Monday, May 3, 2010 by Vishesh

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 by Moe

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 by Courtney

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 by kristen

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 by kristina

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