Sunday
November 23, 2014

Posts by Megan


Total # Posts: 937

Geometry
Original Statement "If it's a garage sale, then it's a Sunday." Statement 1 "If it's a Sunday, then it's a garage sale." Statement 2 "If it's not a Sunday, then it's not a garage sale." Statement 3 "If it's not a ...
November 19, 2014

Human Geography
Discuss the origin, diffusion, and impact on the cultural landscape for one of the following: A) folk housing styles in the United States. B) Buddhism in Asia. C) English in South Asia. Anyway I can get help with this? I have an FRQ due thursday and need help answering these.
November 18, 2014

chemistry
how many moles of no2 remain when 2.5 moles of n205 completely react
November 3, 2014

English
Read the following passage and identify at least 3 elements of figurative language; explain how each element brings out the theme of the passage. "The Wrong Place" by Susan Michalski Lana woke up, curled in a corner of the seat at the back of the train. She lifted ...
November 2, 2014

Chemistry
In a constant-pressure calorimetry experiment, a reaction gives off 20.8 kJ of heat. The calorimeter contains 150 g of water, initially at 21.4 degrees Celsius. What is the final temperature of the water? The heat capacity of the calorimeter is negligibly small.
October 30, 2014

AP Chem
NH3 + CO2 + H2O are introduced into an empty 1.00L vessel at 115 degrees. The initial partial pressure of at .500 atm. Calculate the number of moles of of solid (NH4)2CO3 that is present when equilibrium is established?
October 28, 2014

AP Chem
(NH4)2CO3 <-> 2NH3 + CO2 + H2O solid (NH4)2CO3 is placed in an evacuated container at 115C. When equilibrium is reached Kp = 1.93x10^-3. Extra NH3 gas is added, when equilibrium is reestablished, the partial pressure of NH3 is four times the partial pressure of H20. What...
October 28, 2014

AP Chem
solid (NH4)2CO3 is placed in an evacuated container at 115C. When equilibrium is reached the total pressure inside the vessel is 0.473 atm. Some solid remain in the vessel at equilibrium. Calculate Kp.
October 28, 2014

chemistry
1. A gas cylinder contains 0.722 mL of hydrogen gas at a pressure of 10.6 atm. If the gas is used to fill a balloon at a pressure of 0.960 atm, what is the volume of the filled balloon?
October 28, 2014

Math
A sixth grader weighs 90 pounds which is 120% of what he weighed in 4 th grade. How much did he weigh in 4th grade? 90x100=9000/120= 75 So he weighed 75lbs is this correct?
October 5, 2014

Math
In a parking lot 16% of the cars are blue. There are 4 blue cars in the lot. How many cars are not blue? 4x100=400\16= 25 then minus 4 blue cars to get the answer that 21 of the cars are not blue. I know the answer is 21 I'm just not sure if the work is correct?
October 5, 2014

Calculus
At what point does the normal to y=-5-1x+3x^2 at (1, -3 ) intersect the parabola a second time? Answer: Note: You should enter a cartesian coordinate. The normal line is perpendicular to the tangent line. If two lines are perpendicular their slopes are negative reciprocals -- ...
September 24, 2014

Physics
Obi-Wan lands his spacecraft on an unknown planet. Visibility is poor, so he isn't able to exactly determine on which planet he has landed. He finds someone on a local communications channel and asks for directions to Earth. "You are already on Earth," is the ...
September 21, 2014

Physics
The two masses shown in the figure are each initially 1.80 m above the ground, and the massless frictionless pulley is fixed 4.8 m above the ground. (mA = 1.5 kg and mB = 3.4 kg.) What maximum height does the lighter object reach after the system is released? [Hint: First ...
September 21, 2014

math
1. A grayhound's maximum speed is 39.35 mph how long does it take to run a quarter mile? 2. A human's maximum speed is 27.89 mph how long does it take to run a quarter mile? 3. A giant tortoise's maximum speed is 0.17 mph how long does it take to run a quarter mile...
September 11, 2014

physics
A rocket rises vertically, from rest, with an acceleration of 3.2 m/s2 until it runs out of fuel at an altitude of 730m . After this point, its acceleration is that of gravity, downward.whats the maximum altitude does the rocket reach?
September 10, 2014

Biochemistry
If you make up a solution of 100mL of 0.1 M Hepes in the basic form, what will be the pH? pKa = 7.55
September 8, 2014

physics
Student throws a baseball at a large gong 79 miles away and hears the sound of gong 2.63333 seconds later. The speed of sound in air is 330 miles per second. What was the average speed of baseball on its way to gong ?
September 3, 2014

math
John and Mary Billings own a condominium with an assessed value of $110,000. If the tax rate is 25 mills per $1.00 of assessed valuation, how much tax do they pay?
June 24, 2014

Statistics
Who is the king of late night TV? An Internet survey estimates that, when given a choice between David Letterman and Jay Leno, 52% of the population prefers to watch Jay Leno. Suppose that you randomly select three late night TV watchers and ask them which of the two talk show...
May 22, 2014

economics
Looking for examples on the four production factors within a service environment
May 20, 2014

English
Which of the following sentences is grammatically correct? a.Only Bill wanted to go to the lake. [Intended meaning: Bill wanted to go to the lake, but no one else did.] b.Bill only hinted that he would help us move. [Intended meaning: Bill hinted but did not, for example, ...
May 10, 2014

Investments
P4.3 Assuming you purchased a share of stock for $50 one year ago, sold it today for $60, and during the year received three dividend payments totaling $2.70, calculated the following: (a) Income (b) Capital Gain (or loss) (c) Total Return in Dollars (d) Total Return as a ...
April 24, 2014

Chemistry
What volume in liters of C3H7Cl is produced if 400.0g of C3H8 (propane) reacts with excess chlorine gas according to the equation C3H8+ Cl2 --> C3H7Cl+HCl
April 15, 2014

Math
Jason Printing has $85,000 to invest. They can invest in Wilder Revenue at 10% compounded semiannually or at Cheapskate Investments at 9.8% compounded monthly. a) Calculate the two APYs and compare them to determine your answer. Make sure to distinguish which APY belongs to ...
April 13, 2014

algebra
A baseball player hits a ball toward the outfield. The height h of the ball in feet is modeled by h(t) = -16t2 + 22t + 3, where t is the time in seconds. In addition, the function d(t) = 85t models the horizontal distance d traveled by the ball. If no one catches the ball, how...
April 1, 2014

chemistry
Hg2Cl2 = Hg + HgCl2 Please help me write the two half equations for this.
March 31, 2014

Chemistry
How many grams of C would be necessary to produce 790. grams of CaCO3 by the sequence of reactions shown below? Step 1: CaO + 3C → CaC2 + CO Step 2: CaC2 + N2 → CaCN2 + C Step 3: CaCN2 + 3H2O → CaCO3 + 2NH3
March 27, 2014

Pre-Calc
Eliminate the parameter x = abs(t-3) and y = t + 3...how do you undo the absolute value in order to get y=?
March 2, 2014

Math
Thank you
February 26, 2014

algebra
Find a slope of a snowboarding beginner hill that decreases 24 feet vertically for every 30 foot horizontal increase
February 13, 2014

Science
1. A 2. C 3. A 4. C 5. D
February 3, 2014

math
A model plane is 1/48 the size of the actual plane.if the model plane is 28 inches long how long it's the actual plane
January 23, 2014

World History
What was the anaconda Plan
January 20, 2014

Writing
Ok Hack. Thank you. Ill try it and c how it works out. :)
January 16, 2014

Writing
what is a good opening sentence to a short story? no matter what genre im writing? plz help me. from a girls point of view.
January 16, 2014

Writing?!
thanks. you guys helped me a lot. i got tons of ideas i hope the story will be fine.
January 13, 2014

Writing?!
does anyone know good realistic fiction topics and conflicts? i love writing but have a hard time with this genre because everything has to be able to occur in real life. :( im better at fake stuff. So plz plz help me!
January 13, 2014

Novel Help
Hey, realistic fiction can really occur. Im not a fan either i love to write but not realistic fiction! Maybe a girl ran away when he parents get into a car crash or she decided to commit suicide because she thinks she is alone. Hope it helps! :)
January 13, 2014

history
Can someone please help me? :) 1. Which of the following best describes the beliefs of Andrew Jackson? (1 point) States’ rights should be exercised over federal law. Federal funds should be kept in a national bank. The nation should have a strong federal government. Force...
January 7, 2014

Science
I don't understand, which ones did you get wrong?
January 5, 2014

Math
The distance traveled (in meters) by the Oregon slug can be modeled by the function f(t) = 0.9t, where t is the time in minutes. Find the distance traveled in 27.5 minutes.
December 18, 2013

Physics
A spring (k=302 N/m) placed vertically on a surface has a 548 g ball placed on top of it. How far must the spring be compressed in order for the ball to be traveling at a speed of 2.8 m/s when it is located 438 cm above its initial position?
December 15, 2013

math
I do not get how you got 3times as much when they aren't fully simplified.
December 14, 2013

math
A jar of peanut butter which is 3 inches in diameter and 4 inches high sells for $0.60. At the same rate, what would be the price for a jar that is 6 inches in diameter and 6 inches high?
December 14, 2013

math
An appliance is on sale at a 30% discount. If the sale prices is $42,000, what was the original price of the appliance?
December 14, 2013

math
the formula for finding the surface area of a cube is A=6s with 2 at the corner where s is to the lengh of one side of the cube. what is the volume of the cube with side lengh of one half inches?
December 4, 2013

Chemistry
Determine the molar mass of a compound and its molecular formula if a solution of 1.00 g of the unknown is dissolved in 50 grams of cyclohexane. Cyclohexane freezes at 6.02 oC. The normal freezing point of cyclohexane is 6.50 oC and its kf value is 20.2 oC/m. The percent ...
December 4, 2013

Social Studies
This is for a Latin class, but as it has nothing to do with the language, it is more of a social studies question. For homework we had to complete a project on the Roman Empire. One part was to find all of the provinces, label them on a map, find the year they became a ...
December 1, 2013

physics
because of deformation, what can kinetic energy be converted into?
November 18, 2013

social studies
upon what did the success of southeast Asian empires frequently depend ?
November 18, 2013

Please finish this:)
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
November 17, 2013

Math:)
I'm sorry, the equation that I forgot to put was 100w+10,000=220w+7,000. That's the one @Reiny I forgot to mention. Now how do you do PART 2? Thanks!
November 17, 2013

Math:)
Can anyone help?
November 17, 2013

Math:)
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). Thank you!:)
November 17, 2013

Algebra
In the logarithmic expression . . . log(base 4) 8 , how does the base 4 become base 2? Here is how it is suppose to be worked out: log(base2)8 / log(base2)4 => log(base2)2^3 / log(base2)2^2 => 3/2
November 16, 2013

Algebra
How do you find a new salary if you know the amount of a cut/raise and the salary before the cut/raise?
November 16, 2013

Algebra
Okay, thank you!
November 15, 2013

Algebra
Can logarithms have negative answers?
November 15, 2013

Math
18?
November 11, 2013

Math
the ratio of males to females in a college class is 2:6. If there are 72 students in the class, how many are male?
November 11, 2013

math
San fran won 21 games and lost 26. what is their ratio of games won to games played?
November 11, 2013

Science
3. A. Sequence the same gene in both species to compare similarity. 4. C. Vestigal I just did the test myself :P hope this helps to anybody out there!!!
November 10, 2013

Science
3. A. Sequence the same gene in both species to compare similarity. 4. C. Vestigal
November 10, 2013

Science
I'm doing this lesson right now and I don't know it either, but I will type down the answer even if your done with it lol. But for other people who need help I guess :P
November 10, 2013

history
how did George washington successfully lead a new nation? how did john adams successfully lead a new nation? thank you!
November 6, 2013

science help plzzz
1. A 2. C 3. C 4. C 5. D
October 29, 2013

history
thank you!!!
October 29, 2013

history
how were slaves treated in the american south?
October 29, 2013

sicence
Which example describes a method of relative dating? A. examining historical records to determine when a volcano erupted B. using radioactive isotopes to calculate the age of a rock C. measuring the depth of tree bark D. using fossils to determine the oldest rock layer in a ...
October 23, 2013

Can someone check these answer for me?
1. A. 2. D 3. B 4. C 5. B
October 17, 2013

Chemistry
30
October 16, 2013

Physics
VERTICAL SPRING A spring of negligible mass, spring constant k = 89 N/m, and natural length l = 1.4 m is hanging vertically. This is shown in the left figure below where the spring is neither stretched nor compressed. In the central figure, a block of mass M = 2 kg is attached...
October 16, 2013

Physics
Two identical cars (m = 1350 kg) are traveling at the same speed of 28.1 m/s. They are moving in the directions shown in the drawing. What is the magnitude of the total momentum of the two cars?
October 1, 2013

physics
170dB
September 18, 2013

elementary functions
f(x)=x(squared)+x-3. compute the difference quotient: (f(x+h)-f(x))/h
September 17, 2013

Physics
How long does it take T-Rex to reach its food 200m away assuming that he starts from rest and accelerates at 4.00 m/s2?
September 16, 2013

physics
Sheena can row a boat at 3.13 mi/h in still water. She needs to cross a river that is 1.10 mi wide with a current flowing at 1.75 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream. (a) What is her speed with ...
September 8, 2013

math
factor (m/4 + n/3)(3m/4 - 2n/3) Is this the answer? if not, what did I do wrong? 3m^2/16 + mn/12 - 2n^2/9
July 5, 2013

math
solve for c: 3/4(2c+3)+3/5(8c-2)=9c
July 5, 2013

math
a ship leaves a port at 6 am traveling due east at 12mph. another ship leaves a port 11 am traveling due north at 15 mph. how far apart are they at 11pm to the nearest tenth mile?
July 5, 2013

math
When I went kite flying the other day, I let out an entire roll of string (400 feet). If when the string pulled tight formed a 40 degree angle with the ground, about how high was the kite?
July 5, 2013

math
Two metal alloys, containing 26% copper and 54% copper are to be mixed together to get 210 oz that is 30% copper. How much of each should be used?
July 5, 2013

Stats
Two dice are tossed. What is the probability that the sum of both dice is a prime number? this is the answer i have ; Presuming two fair, 6-sided dice, each numbered 1 through 6: You can achieve one of the following results on any given roll: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12...
July 1, 2013

Economics
What do you think are the pluses (advantages) and minuses (disadvantages) when firms have market power? Be sure to explain your answer from a consumer and a firm’s point of view. why did ESPRIT closed all stores in the U.S. Include a few of these word Diseconomies of ...
June 27, 2013

Economics
What do you think are the pluses (advantages) and minuses (disadvantages) when firms have market power? Be sure to explain your answer from a consumer and a firm’s point of view. why did ESPRIT closed all stores in the U.S. Include a few of these word Diseconomies of ...
June 27, 2013

Chemistry
What is the normality of a solution which contains 4.03-g of sodium carbonate in 300.-mL of solution?
May 22, 2013

government
which provides evidence that political parties are not as strong as they once were? A. the increasing number of independents B. the lack of straight-ticket voting C. increased spending on campaigns D. increased numbers of registered Democrats
May 14, 2013

Governmnet
which of the mass media has the most impact on american politics? A. television B. the internet
May 14, 2013

Math
There are 6 members in a club and only 4 computers.Club meets for 60 minutes. Each member wants equal computer time. How much time should each student have?
May 12, 2013

math
Fred arrives at the subway station every day at a random time and takes the first train that arrives. If he takes the A train, which arrives each hour on the hour, he ends up at the fitness center. If he takes the B train, which arrives every hour 15 minutes after the A train...
May 6, 2013

math
A small grill can hold two hamburgers at a time. If it takes 5 minutes to cook one side of a hamburger, what is the shortest time needed to cook both sides of five hamburgers? 30 15 20 25
May 6, 2013

Math help please
I agree with Ms. Sue. Negative number play seems to be the problem with the incorrect problems.
May 5, 2013

Chemistry
How do you find the equilibrium constant of: B + O2 <-> BO2 ??
May 5, 2013

Calculus
A rectangle in the first quadrant has one vertex as the origin, and other vertex on the curve y= -x^2 -2x +4. If the rectangle has one side lying on the x-axis, find the largest possible area of the rectangle.
May 5, 2013

Calculus
A rectangle in the first quadrant has one vertex as the origin, and other vertex on the curve y= -x^2 -2x +4. If the rectangle has one side lying on the x-axis, find the largest possible area of the rectangle.
May 5, 2013

Statistics 7
A doctor wants to estimate the HDL cholesterol of all 20 to 29 year old females. How many subjects are needed to estimate the HDL cholesterol within 2 points with 99% confidence assuming s-17.8 based on earlier studies. Suppose the doctor would be content with 90 % confidence...
May 5, 2013

7 STATS MATHGURU PLEASE HELP
A doctor wants to estimate the HDL cholesterol of all 20-29 year old females. How many subjects are needed to estimate the HDL cholesterol within 2 points with 99%confidence assuming s=17.8 based on earlier studies? Suppose the doctor would be content with 90% confidence. How ...
May 5, 2013

Stats help
A poll conducted in 1972 asked 1003 people, " During the past year, about how many books did you read either all or part of the way through?" Results of the survey indicated that x-bar=18.9 books and s=1 9.9 books. A)Construct a 95% confidence interval for the mean ...
May 5, 2013

Stats help
MathGuru, how do i determine the z-score for this one?
May 5, 2013

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