Saturday
October 25, 2014

Posts by jane


Total # Posts: 1,377

Music
what is baroque music???
November 27, 2009

Physical Science
yellow because the mixing of red and green light s makes yelloiw part b is black puting a blue object with red and green light will appear black decause red ,green and blue are primary colors
November 14, 2009

reiny
thanks reiny--but i'm in 6th gr and we r not studying powers..can you help me with a simpler answer without powers?
November 12, 2009

multiplying metrics
im in 6th grade--we have a math problem to multiply 3km x 200m x5 can you walk me thorough how to get the answer? Thanks
November 12, 2009

math
3km x 200m x 5 Can someone help me with this?
November 12, 2009

us history
How did the early people of California change their ways of life as their environment?
November 12, 2009

Physics
A student of weight 661 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force FN on the student from the seat is 549 N. (b)What is the magnitude of FN at the lowest point? _________N (c) If the wheel's ...
November 4, 2009

Literature I
The Dove by Ewan McColl Well the dove she's a pretty bird, and she sings as she flies She brings us glad tidings and she tells us no lies Well she flies in the mountains and the valley so low And if you live peaceful then she never will go Come all you young men, take a ...
October 30, 2009

Physics
A puck of mass m = 1.26 kg slides in a circle of radius r = 25.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 2.04 kg by a cord through a hole in the table. What speed keeps the cylinder at rest? _________m/s
October 30, 2009

Literature I
The Dove by Ewan McColl Well the dove she's a pretty bird, and she sings as she flies She brings us glad tidings and she tells us no lies Well she flies in the mountains and the valley so low And if you live peaceful then she never will go Come all you young men, take a ...
October 29, 2009

Physics
The two blocks (m = 37 kg and M = 109 kg) in the figure below are not attached to each other. The coefficient of static friction between the blocks is µs = 0.55, but the surface beneath the larger block is frictionless. What is the minimum magnitude of the horizontal ...
October 28, 2009

Physics
A police officer in hot pursuit drives her car through a circular turn of radius 320 m with a constant speed of 74.5 km/h. Her mass is 55.0 kg. (a) What is the magnitude of the net force of the officer on the car seat? ______N (b) What is the angle (relative to vertical) of ...
October 28, 2009

12th grade Physics
how much tension must a rope withstand if it is used to accelerate a 1200-kg car vertically upward at .80 m/s^2?
October 24, 2009

math(rational functions application)
The average speed of a jet is 100km/h faster than a cargo plane. To travel 1400km, the cargo plane requires 25% more time than the jet. Find the average speed of the jet. This is the formula I figured out so far. V(average)=V(jet)-V(cargo 100km/h= d/t - d/t 100= [1400km/x] - [...
October 22, 2009

Microeconomics
The new york times reported that subway ridership declined after a fare increase: " There were nearly four million fewer riders in December 1995, the first full month after the price of a token increased 25 cents to $1.50, than in the previous December, a 4.3 Percent ...
October 21, 2009

Physics
a) Newton's law of motion states that the acceleration acting on a falling body (assuming no other forces) is  x" = -g, where x(t) is the height of the object above the ground, t is time, and g is the gravitational constant. Find a general expression to describe...
October 19, 2009

Physics
a) Newton's law of motion states that the acceleration acting on a falling body (assuming no other forces) is  x" = -g, where x(t) is the height of the object above the ground, t is time, and g is the gravitational constant. Find a general expression to describe...
October 18, 2009

World Econ
I've asked here before, and I'm sorry to say I need help again. Does anyone have a website or knows where I can get graphs of the world's food production and population. I can't find any on google. They have to be recent around 2007-2009. I can't find any ...
October 18, 2009

Calculus
Find the particular solution of the differential equation y"(x) - y(x) = 1+e^x Please help.
October 16, 2009

4th grade English
What is a good sentence using "terrority"
October 15, 2009

Human Geography
Thanks. Do you know where I can get info about food production in countries, as well?
October 12, 2009

Human Geography
I'm doing a research essay that has to prove how the Malthus theory can be applied to the modern world. I need around 5 countries as examples. They can include contradictions and examples of the theory. What are some countries? I can't use India or China, though.
October 12, 2009

math
But how do I justify my answer/use associative property?
October 6, 2009

math
Use the associative property of addition and the distributive property to justify that a(b+c+d) = ab +ac+ad Help? I don't know what it's asking..
October 6, 2009

science
Technician A and Technician B are examining the same substance. Technician A records the mass, volume, and weight of the substance and decides that it is sugar. Technician B records the melting point, density, and boiling point of the substance and decides that it is salt. ...
September 27, 2009

grammar
Special delicates lingerie detergent is unnecessary. Does this sentence need commas or is this sentence punctuated correctly?
September 21, 2009

eth 125
How can the country best prepare for the changing race and ethnicity of its current and future citizens?
September 10, 2009

math
the function f and g are defined by f(x)=1/2x+5 g(x)=x^2 Evaluate 1.g(3) 2. f inverse (6) 3.fg(2)
September 9, 2009

10th grade english
What is the climax in the book ((Underline or Italicize)---->The Bass, The River, and The Shelia Mant) by D. Wenthrell?
September 8, 2009

Calculus
what is the derivative of If y = x^m and y'= mx^(m-1) y" = ?
September 5, 2009

cook
what are the 3 different types of microorganism
September 4, 2009

Lit
thank you anyways :) someone should right chapter reviews for this book soon.
August 31, 2009

Lit
I know that there are no websites for study guides for the book "Chinese Cinderella" but i really need to review the book. I read it and i just need help finding a website that gives chapter by chapter reviews for it. Thanks :)
August 31, 2009

american government before 1877
senate opponents of the league of nations as proposed in the treaty of versailles argued that it?
June 28, 2009

physics repost
A quantity of an ideal gas is compressed to half" its initial volume. The process may be adiabatic, isothermal or isobaric. Rank those three processes in order of the work required of an external agent, least to greatest. doesn't adiabatic mean no work, so it would be...
June 23, 2009

physics
A quantity of an ideal gas is compressed to half" its initial volume. The process may be adiabatic, isothermal or isobaric. Rank those three processes in order of the work required of an external agent, least to greatest. doesn't adiabatic mean no work, so it would be...
June 23, 2009

physics
A quantity of an ideal gas is compressed to half" its initial volume. The process may be adiabatic, isothermal or isobaric. Rank those three processes in order of the work required of an external agent, least to greatest. doesn't adiabatic mean no work, so it would be...
June 23, 2009

physics repost bobpursley
The energy given off by 300 grams of an alloy as it cools through 50°C raises the temperature of 300 grams of water from 30°C to 40°C. The specific heat of the alloy (in cal/g C ) is: i know Q=CpM(delta T) but what is what? Responses * physics - bobpursley, Monday...
June 22, 2009

physics
The energy given off by 300 grams of an alloy as it cools through 50°C raises the temperature of 300 grams of water from 30°C to 40°C. The specific heat of the alloy (in cal/g C ) is: i know Q=CpM(delta T) but what is what?
June 22, 2009

physics please!
A 0.21 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by x = (16 cm)cos[(16 rad/s)t + π/2 rad] What force, applied to the block by the spring, results in the given oscillation? why ...
June 19, 2009

physics
A 0.21 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by x = (16 cm)cos[(16 rad/s)t + π/2 rad] What force, applied to the block by the spring, results in the given oscillation? why ...
June 18, 2009

help with physics please!
2.50 kg particle (the function U(x) has the form bx2 and the vertical axis scale is set by Us = 2.0 J).(a) If the particle passes through the equilibrium position with a velocity of 55.0 cm/s, will it be turned back before it reaches x = 18.0 cm?(b) If yes, at what position (...
June 18, 2009

physics
THANK YOU SO MUCH!
June 13, 2009

physics
A 0.400 kg ball is shot directly upward at initial speed 40.0 m/s. What is its angular momentum about a point 2.0 m horizontal from the launch point, when the ball is a) at maximum height and b) halfway back to the ground? What is the torque on the ball about the point 2m from...
June 13, 2009

college
1. What is one way the U.S. legal system affects U.S. businesses? There are several ways the legal system can affect businesses but the one way the U.S. legal system affect U. S. businesses are the antitrust law which changed the way businesses operate. This law controlled ...
May 31, 2009

10 GRADE GLOBAL
is it choice 3
May 31, 2009

10 GRADE GLOBAL
one way in which the magna crata,the petition of right and the glorious revolution are similar is that each 1-strenghtened the power of the pope 2-led to the exploration of africalimited the power of the english monarchy 4-settled religious conflicts
May 31, 2009

10 GRADE GLOBAL
soo its choice 2
May 31, 2009

10 GRADE GLOBAL
sorrrrrrrryyyyyyy.. so its choice 1
May 31, 2009

10 GRADE GLOBAL
WELL, MOST RUSSIAN RULERS LIKED TO INVADE OTHER COUNTRIES
May 31, 2009

10 GRADE GLOBAL
I THINK ITS CHOICE 1
May 31, 2009

10 GRADE GLOBAL
THE FOREIGN POLICY OF MANY RUSSIAN RULERS SUPPORTED THE COUNTRYS DESIRE FOR 1.-ACESS TO INLAND CITIES 2.-MORE MINERAL RESOURCES 3.-EXTENSIVE CANAL SYSTEMS 4.-WARM WATER PORTS
May 31, 2009

physics
Oasis B is a distance d = 9 km east of oasis A, along the x axis shown in the Figure. A confused camel, intending to walk directly from A to B instead walks a distance W1 = 20 km west of due south by angle θ1 = 15.0°. It then walks a distance W2 = 32 km due north. If ...
May 29, 2009

Math
Translate into an algebraic expression. The product of 21% and sum number.
May 29, 2009

Math
Solve the following system of equations. x+3y=9 (1) x=3-3y
May 29, 2009

math
Is there a formula to sum the digits between two numbers? eg. 1 to 20 = 1+2+3+4+5+6+7+8+9+1+0+1+1+1+2+1+3+1+4+1+5+1+6+1+7+1+8+1+9+2+0 = ?? I am looking for the numbers 1 to 2008 so I really need a formula! Please help, thank you. Jane
May 12, 2009

trig
Give the measure of the acute angle with each given value to the nearest tenth of a degree. cos A = 0.1 (84.3 degrees) sec D = 1.8 (65.3 degrees) That is all it gives :( How would I go about solving this?
April 29, 2009

Accounting Tax
A taxable corporation faces a flat 35% marginal tax rate. What is the tax savings from an additional $100,000 deduction?
April 20, 2009

Account Tax
Frankland Company is an accrual method company, On December 30, 2003, it received a prepayment of $36,000 from a tenant, who is leasing a warehouse from Frankland. The payment represents the rental for the period January 2004 through December 2006. How much inocme does ...
April 20, 2009

algebra
Karen is 5 feet tall and her shadow measures 7 feet. A flag pole next to her casts a shadow of 28 feet. How tall is the flagpole in feet?
April 10, 2009

1st grade
thanks
April 7, 2009

1st grade
They all have scales. can i used this as a sentence
April 7, 2009

1st grade
He doesn't wants to read Snow White. Is that a sentence
April 7, 2009

AP Bio
Transpiration Lab- I need to calculate the rate for each of the treatments. Here is the data These are the results of an experiment that was done you need to graph the results and answer the questions. Class Average Cumulative Water Loss in ml/m2 Time (minutes) Treatment 0 10 ...
April 6, 2009

Help me expand my paper PLEASE
as many subtopics as possible, and thanks to everyone that contributed
April 6, 2009

Help me expand my paper PLEASE
I'm doing it on overfishing I need subtopics :[
April 6, 2009

science-writing-research paper
I need tips on how to expand a research paper..my subject is overfishing and I need help with what to talk about..like what are some subtopics? Help is greatly appreciated
April 6, 2009

haha how do i respond to responses?
omg i can't believe i just forgot c in part c. it's even called part c! and thank you for the help with part b. i completely forgot about that!
April 2, 2009

calc
i did this problem and it isn't working out, so i think i'm either making a dumb mistake or misunderstanding what it's asking. A particle moves along the x axis so that its velocity at any time t greater than or equal to 0 is given by v(t) = 1 - sin(2pi*t). a. ...
April 2, 2009

reading
what does this mean "by the skin of their teeth"
April 2, 2009

science
what types of materials are volcanoes like Mount St. Helens made of?
April 2, 2009

science
why does a cinder cone have such steep sides? PLEASE HELP THIANKS!
April 2, 2009

science
i found this from my textbook is it right it erupt violently releasing large qualities of ash and gas. its eruptions have rendered more than half of montserrat uninhabitabe. it caused widespread evacautions.
April 2, 2009

science
Describe the processes that have led to the formation of the Soufriere Hills volcano. how have the inhabitants of Montserrat been affected by this volcano?
April 2, 2009

Business Communication
D - I am not so sure about my answer
March 31, 2009

Calculus
There was a typo in last question A company estimates that the cost ($) of producing x units of a certain product is given by: C= 800 + .04x + .002x^2 Find the production level that minimizes the average cost per unit.
March 30, 2009

Calculus
I still do not see what the answer would be . Is x = .001
March 30, 2009

Calculus
Sorry for the typo - you are correct it should be -.002x^2
March 30, 2009

Calculus
Here's one more that I do not understand A company estimates that the cost ($) of producing x units of a certain product is given by: C= 800 + .04x + .0002x^2 Find the production level that minimizes the average cost per unit. Thank you so much
March 30, 2009

Calculus
This is the question - you are designing a rectangular poster to contain 256 in^2 of printing with a 3 " margin at the top & bottom and a 2 " margin at each side. What overall dinmensions will minimize the amount of paper used? Round to the nearest whole inch if ...
March 30, 2009

Calculus
Here's another one that I do not really understand. A company estimates that the cost (in dollars) of producing x units of a certain product isgiven by: C=800 + .04x + .0002x^2. Find the production level that minimizes the average cost per unit.
March 29, 2009

HS Calculus
Having trouble with this questions. Please help. A particle moves on the x-axis so that its position at any time t (is greater than or equal to) 0 is given by x(t) = 2te^-t a) Find the acceleration of the particle at t=0 b)find the velocity of the particle when its ...
March 29, 2009

spanish
How do you say great great grandmother and great great grandfather in spanish?
March 5, 2009

college
What was the result of your IAT, and do you feel that the test produced valid results in your case? o In your opinion, is it difficult to accurately measure prejudice? Why or why not? o Describe other measurements sociologists use to calculate prejudice
March 3, 2009

Chemistry
thx 4 the help.
February 28, 2009

Chemistry
Why might exposure to organic chemicals be a problem? Refer especially to halogenated hydrocarbons and alcohols. Help please. thx
February 28, 2009

calculus
f(x) = cos(x) - (cos(x))^2 for -pi is less than or equal to x is less than or equal to pi 1) x-intercepts? 2) x and y coordinates of all relative maximum points? 3) intervals on which f is increasing? then i have to sketch f, so tips on doing so would be appreciated. thank you!
February 27, 2009

Aantomy
How would damage to inter neurons in the spinal cord affect nervous system function?
February 23, 2009

calculus
thanks!
February 21, 2009

calculus
Find the exact value of: cos(arctan(2) + arctan(3)) Please explain how you got your answer. I have the answer, but I don't know how to get to it.
February 21, 2009

i lied. very quick calc problem.
f(x) = abs(sin(x)), -pi less than or equal to x less than or equal to pi g(x) = x^2 let H(x) = g(f(x)) i got that H(x) would equal sin^2(x). THIS IS WHERE I AM STUCK! find the domain of H. do i still need to account for "-pi less than or equal to x less than or equal to ...
February 20, 2009

last calc question, i promise!
the second one would be x = 2, resulting in the original point (2,1), i think. but other than that, thank you sooooo much!
February 20, 2009

last calc question, i promise!
ALSO ALSO ALSO - on my first calc question (a couple posts down!), i added more to the problem that i forgot, so i need help with that too.
February 20, 2009

last calc question, i promise!
i mean: do i just set (-1-y)/(x+4y) equal to -1/3 AND use the original formula to come up with an answer? like a two-variable system?
February 20, 2009

last calc question, i promise!
given the curve x + xy + 2y^2 = 6... a. find an expression for the slope of the curve. i got (-1-y)/(x + 4y) as my answer. b. write an equation for the line tangent to the curve at the point (2,1). i got y = (-1/3)x + (5/3). but i didn't any answer for c! c. find the ...
February 20, 2009

calc again!
thank you sososososo much! i was pretty sure of these, but i wanted to double-check.
February 20, 2009

calc again!
i got answers for this one, but i feel like i did something wrong. f(x)= 2x+1 when x is less than or equal to 2 (1/2)x^2 + k when x is greater than 2 1) what value of k will make f continuous at x = 2? my answer: i got k = 3 because it would make the two parts of the function ...
February 20, 2009

calculus please
i forgot the part that said "for -pi is less than or equal to x is less less than or equal to pi" this was attached to the f(x) - does it change the answer? the domain?
February 19, 2009

calculus please
given f(x) = abs(sin x) and g(x) = x^2 for all real x: 1) let H(x) = g(f(x)) and write an expression for it. 2) find domain and range of H(x). 3) find an equation of the line tangent to the graph of H at the point where x = pi/4.
February 19, 2009

Algebra
3) ab+mn+an+mb ab + an + mn + mb a(b + n) + m(n+b) (a + m)(b + n)
February 19, 2009

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