Friday
December 9, 2016

Posts by maggie

Total # Posts: 413

History Question
Wow @ms.sue you've NEVER made me question your ability to give absolute correct answers until now. I would come on here and get all my answers correct because, of you. I think now I WILL start to question your judgment. I'm sorry.
October 4, 2013

Algebra 2
Two Olympic swimmers, Ryan and Michael, create unique ripple waves in the water. The function created by Ryan is f(x) = 4x2 + 7. The function created by Michael is f(x) = 4x2 - 5x + 3. Describe to Ryan and Michael, using complete sentences, which operation results in the ...
October 2, 2013

Math
When a student sold an xbox on ebay for $153, she was charged a two part final value fee: 5.25% of the first $25.00 of the selling price plus 3.25% of the remainder of the sell price over $25.00. Find the fee to sell the xbox on ebay.
August 19, 2013

Algebra
a^2-6a+9=0
July 31, 2013

Math
Steve can kayak at 8 km/h in still water. On the river, Steve and the kayak travel slower upstream due to the current. It takes him 1.5 h for a trip downstream, but 3.25 h for the same distance upstream. Determine the speed of the river’s current.
June 19, 2013

chemistry
how would you solve the mass of sucrose, C12H22O11, that is needed to make 550ml of a 0.25M solution?
April 14, 2013

Business math
PROBLEM 1 The video discusses the requirements of a package to qualify as freight. A package must weigh at least 151 pounds. It must be palletized, stackable, forklift-friendly and shrink-wrapped or banded for stability. The uniform cargo footprint can be no larger than 16 ...
April 11, 2013

maths - two dimensional motion
The problem I am trying to solve is from AQA Mechanics M1 and is as follows: An object is moving in a plane. At time t=0, it is at the origin, O, and moving with velocity u. After 2 seconds it is at A where OA = -2i - 4j. After a further 3 seconds it is at B where AB = 10i - ...
April 9, 2013

Math
If c stands for cups then if June makes the recipe as it stands she will use 2 1/2 + 1 1/3 + 1 3/4 cups of liquid (67 /12) But she makes 4 times that amount so she makes 67/3 cups. In whole number of cups that's 22 cups.
April 9, 2013

math
The problem I am trying to solve is from AQA Mechanics M1 and is as follows: An object is moving in a plane. At time t=0, it is at the origin, O, and moving with velocity u. After 2 seconds it is at A where OA = -2i - 4j. After a further 3 seconds it is at B where AB = 10i - ...
April 9, 2013

chemistry
how does the solubility of gases in water compare to the solubility of solids in water as the temperature of the solution increases?
April 2, 2013

8th Math - Probability
ummmmmmmmmmmm. Haha jkjk. I know the answer, but think about it... what is the point of school, if you ask someone else to do it.... Oh, and by the way, this isn't 8th grade math! This is 7th grade math, I'm just did this quiz and got 100%. Just try next time!! Its not...
April 2, 2013

Chemistry
a.) 0.0122mol x 140gSi3N4 = 1.708 molSi3N4 b.) 0.0122mol x 59g(CH3)3N =0.7198 mol(CH3)3N
April 2, 2013

Math
Bus A leaves interchange 6 minutes, Bus B leaves 12 minutes later, Bus C leaves 18 minutes later. If all buses leave at 6 am when will all 3 buses leave at the same time again. Kindly show workings and explantion to problem. Thank you
March 14, 2013

St francis
Abcd is a quadrilateral such that AB = bc, ad= 1/4am. If bc 12 what is the perimeter of abcd
February 6, 2013

science
How to determine the amount of energy released when 50g of 100C steam changes to 0C ice?
January 24, 2013

Math
A rug covers 1/4 of floor. The area of the rug is 10 ft.2. What is the area of the floor?
January 15, 2013

Chem 2
If we burn a strip of magnesium in air, there will be two main products, magnesium oxide and magnesium nitride. If we then treat that mixture with water, the nitride ion is converted to ammonia. After boiling away the water and ammonia, we would be left with only magnesium ...
January 13, 2013

Chemistry
How do you demonstrate that fog, clouds,and steam are liquid droplets and not water vapor?
January 10, 2013

Chemistry
Find the total number of calories needed to change 23.0 g of ice at -34.0C to steam at 222.0C
January 10, 2013

Chemistry
What is the equation to show that boiling is a cooling process?
January 10, 2013

Physics
A weight is hung from the ceiling of an elevator by a massless string. under which circumstances will the tension in the cord be the greatest? smallest? a.) The elevator rises with decreasing speed b.) The elevator rises with increasing speed c.) The elevator is at rest d.) ...
December 11, 2012

Physics
... we havn't even learned about Kinetic energy yet... my teacher must be losing it.... haha
December 5, 2012

More Physics
I have NO idea how to do this! any help is great! A car with a mass of 1330kg is traveling at 28m/s. The driver applies the brakes to bring the car to a rest over a distance of 79m. Calculate the retarding force acting on the car. From this i can see that it gives me the Mass:...
December 5, 2012

Physics
A mouse pushes a piece of cheese with a mass of 6.4 g for a distance of 75 cm over a frictionless surface. He exerts a constant 0.5 N force as he does so. If the cheese starts from rest, what is it's final velocity? there is no time or speed givin, which throws me off
December 5, 2012

Physics -movies
There are many Hollywood movies which show a hero or villian running, jumping, or riding a motorcycle through big plate glass windows without apparent injury. Why is this an incredible violation of Newton's laws? i can't think of really anything that makes sense...
December 5, 2012

Science ~conversions~
oops. correction. the spider is pulling with .011N. NOT .001
December 5, 2012

Science ~conversions~
On my physics home work i have a question that puts the weight in grams, and i need to find the acceleration. I know that the formula is F=ma, and Force is in newtons, mass is in kg and acceleration is in m/s^2. but can you still find the acceleration by using grams with out ...
December 5, 2012

Physics HELP!
I have NO idea how to do this! any help is great! A car of maass 1330kg is traveling at 28m/s. The driverapplies the brakes to bring the car to a rest over a distance of 79m. Calculate the retarding force acting on the car. From this i can see that it gives me the Mass:1330kg ...
December 4, 2012

College History
Thank you again for your time
November 30, 2012

College History
I have quite a few that I couldn't figure out on my assignment. 1) The leading symbol of reforming state governments in rhe early 1900's was A) Theodore Roosevelt B) Woodrow Wilson C) Robert La Follette D) Upton Sinclair 2) Wilson's first dealings with Congress ...
November 30, 2012

College History
thank you!
November 30, 2012

College History
Which of the following was NOT a result of the great migration of blacks in the 1920s? A) Blacks found they someetimes were able to work in jobs that has been closed to them in the South. B) African American consciousness was raised, providing feelings of greater autonomy and ...
November 30, 2012

Chemistry
842.5
November 14, 2012

Physics
A person is riding a bicycle, and its wheels have an angular velocity of 17.7 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 12.4 revolutions. (a) How much time does it take for the bike ...
October 30, 2012

Physics
A star rotates in a circular orbit about the center of its galaxy. The radius of the orbit is 6.2 x 1020 m, and the angular speed of the star is 4.3 x 10-15 rad/s. How long (in years) does it take for the star to make one revolution around the center?
October 30, 2012

chem
How do you prepare a solution of 12 M HCl and want to prepare 500 mL of a 0.4 M solution. Assume you have a 500-mL volumetric flask
October 16, 2012

math
MEghan had 36 books in her locker. Some were library books, text books and the rest were telephone books. THe number of library books and phone books combined equals twice the number of text books. The number of text books and telephone books equals three times the number of ...
September 30, 2012

visual
"Street, Dresden", 1907, oil on canvas by Ernst Ludwig Kirchner. Describe the shapes in this painting. Are the shapes organic or geometric? Which ones? Describe how the shapes interact, or "touch" each other. Are the edges of the shapes soft or hard? Do ...
September 15, 2012

visual
"Street, Dresden", 1907, oil on canvas by Ernst Ludwig Kirchner. Describe the shapes in this painting. Are the shapes organic or geometric? Which ones? Describe how the shapes interact, or "touch" each other. Are the edges of the shapes soft or hard? Do ...
September 15, 2012

PHYSICS
A railroad diesel engine weighs 3.9 times as much as a freight car. The diesel engine coasts at 5.3 km/h into the freight car that is initially at rest. After they couple together, what is their speed?
September 10, 2012

PHYSICS
A railroad diesel engine weighs 3.9 times as much as a freight car. The diesel engine coasts at 5.3 km/h into the freight car that is initially at rest. After they couple together, what is their speed?
September 10, 2012

math
All you have to do is put 39 in for h. So you get 39=-16t+1444. And solve.
September 6, 2012

algebra
A tugboat goes 180 miles upstream in 15 hours. The return trip downstream takes 10 hours. find the speed of the tugboat without a current and the speed of the current
August 9, 2012

english
and i need to talk about the impression of the medical officer and Chaplain. thanks
July 13, 2012

english
yes, that's the editorial i have to do i also need to say how the writer managed to develop ideas that they present in the opening paragraph and talk about structural and linguistic devices.
July 13, 2012

english
With close reference to the text how successful is the headline in influencing the reader's view of the issue of hang? the title: THE WOMAN WHO HANGS TODAY
July 13, 2012

Physics Angular displacement
A school bus takes 0:53 hours to reach the schoool from your house. If the average speed of the bus is 19km/h, what is the displacement of the bus during the trip?
July 1, 2012

Math Help
It's not the 6th bounce? Because when I put 6 into the equation I got 5/9
May 8, 2012

Math Help
The end of a spring is pulled as far as it will go and then is released. On the first bounce back it extends 135 cm. On its second bounce back it extends 45 cm. On its third bounce back it extends 15 cm. How many times will the spring bounce back before it extends 5/9 cm? I ...
May 8, 2012

Math
The end of a spring is pulled as far as it will go and then is released. On the first bounce back it extends 135 cm. On its second bounce back it extends 45 cm. On its third bounce back it extends 15 cm. How many times will the spring bounce back before it extends 5/9 cm? I ...
May 7, 2012

chemistry
Ethylene glycol, C2H6O2, is used as antifreeze for automobile engines. If you want to produce 2.00 kg of ethylene glycol from the reaction of C2H4Cl2 and Na2CO3, what is the minimum amount of Na2CO3 that is needed? C2H4Cl2(l) + Na2CO3(s) + H2O(l)=C2H6O2(l) + 2NaCl(aq) + CO2(g)
April 27, 2012

Math
simplify the expression below,using the laws of exponents. (5^4 x 5^7)/ 5^8 Show your work. PLEASE HELP ME!
April 15, 2012

physics
Use these magnitudes of the forces of gravity at Earth's surface to determine the masses of the objects on which they act A)0.98N. B)62N C)44.5MN
March 30, 2012

physics
Use these magnitudes of the forces of gravity at Earth's surface to determine the masses of the objects on which they act A)0.98N. B)62N C)44.5MN
March 30, 2012

physics
Thanks
March 30, 2012

physics
What is the weight of each of the following masses at Earths surface? A) 25g. B)102kg. C) 12mg
March 30, 2012

physics
Each of the four wheels of a car push on the road with a force of 4.0*10^3 N [down]. The driving force on the car is 8.0*10^3 N [W]. The fictional resistance on the car is 6.0*10^3 [E]. Calculate the following A) the mass of the car B) the net force on the car C) the cars ...
March 29, 2012

Pre-Algebra
What is (41x + 67y) + (49x - 28y) simplified?
March 13, 2012

chemistry
A 20.0 mL sample of an aqueous HClO3 solution is titrated with a 0.0275 M KOH solution. The equivalence point is reached with 28.5 mL of the base. The pH of the HClO3 solution, before titration, is
March 13, 2012

calculus
find the second-order partial derivatives of f(x,y)=x^3 + x^2y^2 + y^3 + x+y and show that the mixed partial derivatives fxy and fyx are equal
March 7, 2012

calculus
find the second-order partial derivatives of f(x,y)=x^3 + x^2y^2 + y^3 + x+y and show that the mixed partial derivatives fxy and fyx are equal
March 7, 2012

calculus
find the domain of the function a) f(x,y) = e^(-xy) b) h,(u,v)= √(4-u^2 - v^2)
March 7, 2012

International Buisness
The marketing department is asked to formulate a strategy for disseminating product information on new drug Tigason. As the marketing manager what do you recommend?
February 22, 2012

physics
What is the speed in meters per second of a baseball traveling at 64 mph given that 1 mph = 0.447 m/s?
February 2, 2012

social studies
our teacher give us this topic to write an assay. I was told not to go to that place ,but I still went there. he told us that is a narrative essay but I don't understand this topic. can u help me ?
January 25, 2012

Spelling
Hello, my daughter has to alphabetize a list of words that also include multiple words. Example: anyway any way everyone every one already all ready I think the "one" word words should go first, followed by the "two" word words. Is this correct? Thanks!
January 17, 2012

Language Arts
I need some help. These are analogies from the Word Within a Word book; List 7: Pugilist is to Pugnacious as... mystagogue is to religious dermatologist is to dermatitis police is to police pedagogue is to pedant Pachyderm is is to Hypodermic as... pedagogue is to demagogue ...
January 11, 2012

Chemistry
Okay, I understand now, it's much easier than I was making it out to be! Thanks so much for your help!
November 30, 2011

Chemistry
What is wrong with these sets? Fix what's wrong: n=4, l=3, ml=4 n=2,l=-1, ml=1 I don't exactly even know what the question is asking!
November 30, 2011

BUS 640
Bridget's choice - theory of consumer behavior
November 28, 2011

physics
A mass m is gently placed on the end of a freely hanging spring. The mass then falls 29.8 cm before it stops and begins to rise. What is the frequency of the oscillation?
November 27, 2011

Physics
A mass m at the end of a spring vibrates with a frequency of 0.936 Hz. When an additional 558 g mass is added to m, the frequency is 0.634 Hz. What is the value of m?
November 27, 2011

Physics
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 5.5 J of work is required to compressed the spring by 0.16 m. If the mass is released from rest with the spring compressed, it experiences a maximum ...
November 27, 2011

Physics
A bungee jumper with mass 61.3 kg jumps from a high bridge. After reaching his lowest point, he oscillates up and down, hitting a low point eight more times in 31.8 s. He finally comes to rest 25.3 m below the level of the bridge. Calculate the spring constant of the bungee ...
November 27, 2011

physics
1)A fire hose held near the ground shoots water at a speed of6.5 mps At what angle should the nozzle point in order that the water land 2.5 meters away? Answers: 18 degrees and 72 degrees 2) A long jumper leaves the ground at 45 degrees above the horizontal and lands 8 meters ...
November 22, 2011

geometry
ABCD is a rectangle. If AC=5x+2 and BD=x+22, find x.
November 20, 2011

Science
How many families are found in the Phylum Arthropoda?
November 9, 2011

math/ algebra?
a lab technician draws a sample of blood. A cubic millitmeter of the blood contains 22^3 white blood cells and 22^5 red blood cells. What is the ratio of white blood cells to red blood cells?
October 28, 2011

physics
a cannonball is fired straight up at 60m/s. how long does the flight last?
October 4, 2011

Algebra 1 (HELP PLEASE!!)
The United States Mint reported at the end of 2006 that the unit cost of producing and distributing a penny was 1.21 c. What percent of the value of a penny is this cost? What can you conclude about the cost of making pennies? • How can a model help you to visualize the ...
September 14, 2011

PHYSICS
A gas cylinder contains a mixture of carbon dioxide and oxygen, which have different molecular masses. The contents of the cylinder are in thermal equilibrium. Which of the following statements is correct? Question 1 options: A) All carbon dioxide molecules and all oxygen ...
August 16, 2011

PHYSICS
The latent heat of fusion of water is 3.34 x 105 J/kg. A farmer places a barrel containing 1000 kg of water in his barn one winter's night. When the water cools to 0oC, it begin to freeze. How much heat does the water give out while it is freezing until it has all become ...
August 15, 2011

Algebra
I have to work out this equation for my college paper and I am having trouble understanding graphs, etc. The question is C=200+50 and C=300+25. Can anyone walk me through the steps on how to graph this?
August 1, 2011

stats
TABLE 1 The general manager of a chain of pharmaceutical stores reported the results of a regression analysis, designed to predict the annual sales for all the stores in the chain (Y) – measured in millions of dollars. One independent variable used to predict annual ...
July 4, 2011

Physics
Helium is supplied in pressure tanks. If I have a 10 liter tank at 200 atmospheres of pressure, how many 3 liter balloons can I fill? (Assume the balloons are at one atmosphere)
May 12, 2011

Biology
The number of oyster beds in Chesapeake Bay,which is an arm of the Atlantic Ocean,is dwindling rapidly.what effect would this have on the surrounding area?On the human community?
May 10, 2011

College Chem
Calculate the enthalpy change for the reaction NO(g) + O(g) --> NO2(g) from the following data: NO(g) + O3(g) --> NO2(g) + O2(g) ; ∆H = -198.9 kJ O3(g) --> 1.5O2(g) ; ∆H = -142.3 kJ O2(g) --> 2O(g) ; ∆H = 495.0 kJ
May 8, 2011

Biology project
THE EVOLUTION OF BARBELLUS Describe the type of food that the diffrent Barbellus spieces might have eaten. 1.caterpillar 2 and 3.type of fish
April 20, 2011

Social Studies
Was Blitzkrieg a successfull war stratagy?
April 19, 2011

physics
Consider a single photon of red laser light, with wavelength of 633 nm (nano is 10-9). What energy does this carry? What momentum? How does the energy compare to typical atomic energies of a few times 10-19 J?
April 17, 2011

Biology
Cellular slime molds begin life as a group of seperate organisms,or individuals.After congregation,they become a single multicellular individual.Describe what is meant by this statement.
April 13, 2011

biology
specialized cells in animals are all descended from a single ancestor cell.How are the specialized and the nonspecialized cells of the cellular slime molds related?
April 13, 2011

English
the mirror is an example of magic in the movie;they use it to see where belle's father is in the forest;also the fact that at the end true love saves the beast from the trajic spell and transforms into the handsome prince.
April 13, 2011

social studies
evaluate the following statement:canada's autonomy advanced in the first three decades of the twentieth century
April 12, 2011

social studies
evaluate the following statement:canada's autonomy advanced in the first three decades of the twentieth century
April 12, 2011

spanish
La hija tiene hambre
April 2, 2011

Chemistry
when sulfur is burned in the presence of oxygen, sulfur trioxide is produced. if 3.4 x 10^24 atoms of sulfur react, how many liters of sulfur trioxide are produced?
March 17, 2011

physics
680 N. If it were more of less, the man would fall through the floor. Hope this helps!
March 16, 2011

Algebra 2
If a bicycle has a crankshaft of 40 teeth, and there are three rear sprockets attached to the rear wheel, 20 teeth, 16 teeth and 12 teeth. The diameter of the rear wheel is 60 cm. Which sprocket should be used to get the most distance in one paddle? What would the distance be?
February 22, 2011

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