Tuesday
March 28, 2017

# Posts by elizabeth

Total # Posts: 1,046

Physics
A 74.5 kg ice skater moving to the right with a velocity of 2.62 m/s throws a 0.21 kg snowball to the right with a velocity of 23.8 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and...
April 24, 2011

maths
I THINK I GOT IT ITS NEGATIVE AS THE COEFFIENT IS -X^2 WHICH IS NEGATIVE. IS THIS RIGHT?
April 23, 2011

maths
the graph of y=-(x^2/3)=2x=24 is a parabola. 1) is the parabola u-shaped or n-shaped. how can you tell this from the equation?
April 23, 2011

Character Buidling
My Character Building Teacher had given me a project to write the names of the people we hate on a non-boiled raw potato, and put it inside a clear plastic, locked, and not to be opened until the project is finished. Everyday, we should take an observation of the potato and ...
April 23, 2011

physics
An 85.4 kg astronaut is working on the engines of a spaceship that is drifting through space with a constant velocity. The astronaut turns away to look at Earth and several seconds later is 22.4 m behind the ship, at rest relative to the spaceship. The only way to return to ...
April 20, 2011

Physics
Two billiard balls with identical masses and sliding in opposite directions have an elastic head-on collision. Before the collision, each ball has a speed of 20 cm/s. Find the speed of each billiard ball immediately after the collision.
April 20, 2011

maths
My kids are stuck on this they've no idea what to do and I can't help them out either! Darren throws a stone from the top of a vertical cliff into the sea below. The trajectory of the stone can be modelled by the quadratic equation y = -(x^2/3)+2x+24 where y represents...
April 20, 2011

Character Buidling
My Character Building Teacher had given me a project to write the names of the people we hate on a non-boiled raw potato, and put it inside a clear plastic, locked, and not to be opened until the project is finished. Everyday, we should take an observation of the potato and ...
April 17, 2011

math
Manuel wants to calculate how many miles his farthers car travels on one gallon of gas. He knows that on a fu 15- gallon tank of gas, the car can travel 225 miles. Write an proportion that he could use to calculate the cars mileage per gallon(x)
April 13, 2011

finance
1–2 pages Details: Develop a personal financial planning budget. This budget can represent a budget for a fictitious individual; however, make sure you include the following: Information you would need to prepare this budget Income Taxes Expenses Personal expenses
April 11, 2011

physics
During peak shopping season at Northbrook Court, an escalator elevates 1233 passengers a vertical distance of 7.43 meters over the course of 30.3 minutes. If the average mass of the passengers is 55.3 kg, determine the power delivered by the escalator to the people.
April 11, 2011

Physics
A person doing a chin-up weighs 710 N, disregarding the weight of the arms. During the first 26.5 cm of the lift, each arm exerts an upward force of 356 N on the torso. If the upward movement starts from rest, what is the person's speed at this point?
April 11, 2011

Physics
A skier of mass 73.5 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 58 m up a 32° slope (assumed to be frictionless) at a constant speed of 2.0 m/s?
April 11, 2011

law
english law. what are the powers of the court of appeal.
April 9, 2011

law--
discuss whether or not the changes to the selection of judges is leading to a wider cross section of people becoming judges. please help thanks
April 9, 2011

English huckleberry finn
The book ends with Huck saying he's going to "light out for the Territory ahead of the rest." But there's a part of me that wonders if he won't decide to go back home to the Widow's with his friends. * Write a short paragraph or two to make another &...
April 7, 2011

English
Huck struggles to decide what he should do when his heart and his conscience pull him in different directions. He eventually decides to go with his heart. * Write a short essay explaining why you agree or disagree that this was a good strategy for Huck to pursue. * Look back ...
April 7, 2011

world history
Well, actually I think this was not present day.
April 5, 2011

world history
English and French are official languages of Canada. Laws promote French culture and language. Literature may be published in French and English. They made Quebec a separate country.
April 5, 2011

world history
Which is NOT a way in which the Canadian government attempted to cooperate with French separatists?
April 5, 2011

World History
In what regions did Latin Christendom expand during the period of the early Mongol expansion?
March 30, 2011

maths
A ball is launched into the air from below a cliff. after t seconds its height above the cliff top is h metres, and is given by the equation h =  − 4.9t 2 + 19.6t − 14.6. Calculate, to the nearest metre, the ...
March 29, 2011

A level law
what are the disadvantages of the current system of training barristers and solicitors ( in england ) thank you
March 29, 2011

A level law
March 29, 2011

maths
The following quadratic equation has the integer solutions x^2+5x-6=0 what is the positive solution of the equation
March 29, 2011

maths
Calculate the discriminant of the quadratic expression 4x^2-x-3
March 29, 2011

Geometry
The surface areas of two similar figures are given. The volume of the largwe figure is given. Find the volume of the smaller figure if the SA= 25 cm SA= 36cm and the V= 216cm?
March 22, 2011

physics
7.03m/s
March 20, 2011

Thank you Ms. Sue
March 10, 2011

I'm confused about this math question my teacher gave us today. Bowser's dog food is 40% meat. How much dog food would Bowser eat in order to get 11 kgs of meat?
March 10, 2011

law
which types of sentence would be most approppiate where the main aims of sentencing are rehabilitation and reform
March 5, 2011

A level law
discribe the custodial, community and other sentences available for adult offenders convicted in the crown court. 2. which types of sentences would be more appropriate where the main aims of sentencing are rehabilitation and reform thank you
March 2, 2011

Measurment
What is the area of this triangle with 22,16,28 And a nine in the middle?
March 1, 2011

Fractions
Maria played with her dolls for 45 minutes.this coima also be written as?
March 1, 2011

Measurment
What is the area of this triangle 22 by 16 by 28 inches inside is 9in?
February 28, 2011

Measurment
What is the area of this triangle 22 by 16 by 28 inches inside is 9in?
February 28, 2011

Measurment
What is the area of this triangle 22 by 16 by 28 inches
February 28, 2011

Math
54.99 17.00
February 28, 2011

A Level Law
what are sentences for young offenders and what particular aims of sentencing are relevant for young offenders
February 25, 2011

Chemistry
How much energy is gained by a 40.8g sample of water whose temperature increases from 22 degrees celsius to 35 degrees celsius when left in the sun?
February 23, 2011

A Level Law
fred has been arrested for murder what are his rights at police station and are they adequatly protected during detention searches and interviews
February 23, 2011

what is the line segment of 2 7/8?
February 22, 2011

Math
What is 20x+3=5 what is x. What is 4-x=9 what is x. If you can anser these i have a lot more i`m having problems with please help.
February 19, 2011

algebra
I don`t know exsactlly the anser but i do think that like you said each letter represents a number i was thinking A=1 B=2 And so on so it would be some thing like that don`t blame me though if you get it wrong i am not sure.
February 19, 2011

Probability
A coin is tossed 3 times. What is the probability of getting 2 heads and 1 tail?
February 18, 2011

Tim and Sasha have a bag containing 7 red marbles, 3 blue marbles, 6 white marbles, and 4 yellow marbles. Tim reaches in, without looking, pulls out a marble, records the color, and then puts the marble back.Sasha then does the same thing. What is the probability that Tim and ...
February 18, 2011

A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green?
February 14, 2011

If Julie draws a card from a standard deck of well-shuffled playing cards, what is the probability that he draws either an ace or a heart?
February 14, 2011

In a drawing for a dvd player, there are 100 tickets in a box.Five of the cards are marked with a star and the rest are marked with an X. To win, Carmen must draw two cards, without replacement, both of which are marked with a star. What is the probability that Carmen will win...
February 14, 2011

chemistry
Given: hexane- -density at 25 degrees Celsius (.660g/ml) -Vapor pressure of pure substance at 25 degrees Celsius (150 torr) -heat if vaporization (21.0 kj/mol) -55 mL What mass of hexane vaporizes at 25 degrees Celsius?
February 8, 2011

ecology
Were should I look for info on land and aquatic biomes, if all I want to know is the plats that grow there, and the animals that live there, as well as the annual ammount of rainfall and average temp. without having to do a lot of reading.
February 8, 2011

Literary Analysis
I need help "translating" this part into more simple english from the poem One Step at a Time by Joseph Morris. Here is the part: "He will stand upon Life's summit and will know that joy sublime which is his alone who dares to prove his soul."
February 3, 2011

The nearest would be 18. Right?
January 31, 2011

Marianna's rectangular garden is 15 yards long and 10 yards wide. She wants to stretch a wire for hanging lights from one corner of the garden to the opposite. About how long should the wire be?
January 31, 2011

science
When you freeze water, 80 calories of heat are released into the surroundings for every gram of water that freezes. This is known as the "latent heat of fusion" of water, which is 80 cal/g. Heat of fusion is a characteristic property. Theoretically, if you could &...
January 31, 2011

Sharon and her camping group hiked 6 miles due north, stopped for lunch, and then hiked 8 miles due west, stopping at ther campsite for the night. What is the straight line distance from their original starting place to the campsite?
January 30, 2011

Algebra 1
A rectangular piece of art is 4 meters wide and 6 meters long. It is surrounded by a uniform sidewalk. If the area of the uniform sidewalk is 39 square meters, how wide is the sidewalk
January 26, 2011

How do you do Absolute Value Functions with graphs?
January 13, 2011

chemistry
What is the difference between a length on 2 cm and a length of 2.0 cm?
January 12, 2011

math
what is symmetry
January 10, 2011

what is symmetry
January 6, 2011

related rates problems
Water pours out of a conical tank of height 10 feet and radius 4 feet at a rate of 10 cubic feet per minute. How fast is the water level changing when it is 5 feet high?
December 30, 2010

related rates calculus problem
A balloon is being filled with air at a rate of 3 cubic meters per minute. Find the rate at which the radius is changing when the volume is 113.0973355 cubic meters.
December 30, 2010

COMP/160 College
I need help with writting sentences using three comparatives and superlatives, about personal finance
December 29, 2010

Algebra2
how to solve a matrice when it's like b21 and it givec you to sets of matrices like AND IT SAYS TO ID EACH ELEMENT A.)O -1 B.)6 -3 1/2 1.5 3 AND 7 -2
December 29, 2010

us history
Thank you for the start. One last question....what is a philosophical ideal??
December 26, 2010

us history
Ms. Sue, how should I begin to try to find answers for these points.
December 26, 2010

us history
I need help trying to figure out how to even begin an essay. Write in the perspective of a Pennsylvania farmer in the 1700s. - The philosophical ideals embodied in the Declaration of Independence. - The similarities and differences of the philosophies in the Article of ...
December 26, 2010

British Lit.
I need to explain Beowulf's speech lines 365-428. topic audience and tone of the speech.
December 21, 2010

japanese
What do the following sentences mean translated to English? Kore no han wa watashi no desu To no soto ni obaki ga imasu
December 20, 2010

Can you please check my answer? A spherical balloon has a volume of 268 cubic cm. If more air is pumped in so that its radius is 3 times as long, what is its new volume? My answer: 2,412 cubic cm
December 13, 2010

Greta is designing a page for the yearbook and needs to know the area of her 8 in. x 10 in. picture after she crops it. If she makes the length and width of the picture 5/8 of the original, how does the area of the picture change?
December 13, 2010

com/156
can you help on how to write an outline for credit card companies should not be on campus marketing to college students
December 3, 2010

Is it possible for companies both to maximize financial value for shareholders and to act irresponsibly in the communities in which they operate, to treat their employees, customers, and suppliers well, and to engage in activities that are good for the environment? In your ...
December 3, 2010

Is the answer 6396 square yards?
November 28, 2010

Can you please check my answer? An American football field is a rectangle 120 yards long (including both end zones) and 53 1/3 yards wide. What is the area of an American football field? my answer: 6360 square yards
November 28, 2010

chemistry
Calculate how much Hg in a reaction that produces 87.4 g O2 using: 2HgO produces 2 Hg + O2
November 24, 2010

November 24, 2010

This is a question of my last biology test: Name at least one technological device that would have not been invented without scientific knowledge: A.Radio B.Ruler C.Knife D.None of the above I answered D but got a cross for it. So can you please help me to solve what is the ...
November 24, 2010

Biology
Are club mosses gymnosperms? ex. horse tail (ferns) What are club mosses used for? Thank you
November 24, 2010

Biology
What are the importance of seedless plants?
November 24, 2010

finance mortgage payment
Mortgage lenders base the mortgage interest rate they offer you on your credit rating. This makes it financially critical to maintain a credit score of 700 or higher. How much more interest would you pay on a \$195,000 home if you put 20% down and financed the remaining with a ...
November 21, 2010

Chemistry Help!!!
What is the maximum number of electrons that can have n=4, mi= -1 in an atom? Also, explain how you got that answer. I am confused.
November 21, 2010

College Chemistry
I'm sorry but this answer didn't work...
November 20, 2010

College Chemistry
How many milliliters of 1.55 M NaOH must be added to 125 mL of .19 M NaH2PO4 to make a buffer solution with a pH of 6.90? I have attempted to solve this with no success, as this is an online homework assignment that requires an exact answer. Hoping that you will be able to ...
November 20, 2010

physic
thank you so much that was helpful =)
November 17, 2010

physic
A 25kg object is located on a table near the surfuce of the earth. The coefficient of the kinetic friction between the surfuces is 0.30 and the horizontal force applied is 300n. Can you answer this?
November 17, 2010

physic
how do you find the acceleration for kinetic friction?
November 17, 2010

Trigonometry
How do you solve the equation -3x^2 + 3 = 0
November 16, 2010

algebra
how do you graph a fraction?
November 16, 2010

solve.(polynomials) 3(x-5)=45
November 16, 2010

algebra
6x-(2x-3)=31
November 16, 2010

Solve for x. 6 - x = -10 + 7 my answer: x = 9
November 13, 2010

Can you please check my answer? Solve for x. 7- 7/2x = -5 my answer: x = 42
November 13, 2010

Need help
I have been trying to work this out with no success - any help would be great - Thanks
November 12, 2010

College Chemistry
1.14g of sodium bicarbonate (NaHCO3)is dissolved in 500 mL H2O. What is the Ph of the solution? Assume constant volume.
November 12, 2010

College Chemistry
November 10, 2010

College Chemistry
A buffer solution contains 0.120M acetic acid and 0.150M sodium acetate. a. How many moles of acetic acid and sodium acetate are present in 50.0 ml of solution? b. if we add 5.55 mL of 0.092M NaOH to the solution in part (a) how many moles of acetic acid , sodium acetate, and ...
November 10, 2010

Chemistry
Thanks!
November 10, 2010

Need answer tomorrow for pre-lab Thanks
November 10, 2010

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