Tuesday
September 1, 2015

# Posts by Brooke

Total # Posts: 618

Physical Science
Water boils at _______ 01 Kelvin. I put 373.15 but I dont know if it is right. Could someone please help me?
December 12, 2011

US GOV
Which of the following statements concerning the Twenty-fifth Amendment is incorrect? a. It allows the vice president to serve as acting president in the case of presidential disability. b. It allows the vice president alone to declare the president disabled. c. It requires ...
November 18, 2011

US Gov
The greatest source of presidential power is: a. the power to remove members of Congress from office for violating their oath of office. b. the power of referendum. c. politics and public opinion. d. the threat of a veto. e. the power to make political appointments. I am ...
November 18, 2011

physics
To find Work Use the Work = Pressure * delta Volume Be sure everything is in SI units 1atm=1.013*10^5 1cm^3=1*10^-5m^3 I have no idea how to find the change in internal energy though sorry
November 17, 2011

November 17, 2011

physics
You can use the equation (d=Vit + 1/2 a t^2) So for the first one it would be: d= (0)(1) + 1/2 (1.5) (1^2) And the answer would be .75m Each time just plug in the time to 't' and keep all the other information the same.
November 17, 2011

Physics
A 15 kg model airplane flies horizontally at point A that is 20 m about point B. It has a speed of 19.993 m/s at point A. It then flies horizontally at point B. If the loss of potential energy is reflected as an increase in kinetic energy, what is the speed of the model ...
November 17, 2011

Physics
In an electronics factory, small cabinets slide down a 30 degree incline a distance of 16 m along the incline to the next assembly stage. The cabinets have a mass of 10 kg each. Calculate the speed each cabinet would acquire if the incline were frictionless. What kinetic ...
November 17, 2011

Physics
A 1.5 N force acts on a .20 kg cart so as to accelerate it along a frictionless track. If it is accelerated from rest, how fast is it going after .3m? The answer given is 2.12 m/s but I am not sure how to get to that.
November 17, 2011

Physics
A .5 kg block is sliding along a tabletop with an initial velocity of .20 m/s. It slides to rest in a distance of .7m. Find the frictional force regarding it motion. The answer given is .0143 N but I do not understand how to get that.
November 17, 2011

Social Studies
Thanks ! Both of your responces helped answer my question ! :)
November 15, 2011

Social Studies
The question is "Evaluate the effectiveness of this action" The action was the government appologizing for Chinese Head Tax. Not only did the gov't appologize , it also gave symbloic payments to those affected by the head tax. Then it says "does it consider ...
November 15, 2011

Social Studies
I was kind of leaning towards that too ! thanks ! :)
November 14, 2011

Social Studies
Here is the question .. How did the Enlightenment contribute to the Industrial Revolution? A) People used technology to create greater prosperity for all. B) Reasoning was used to solve human problems. C) Electricity used in the production of material goods. D) People came to ...
November 14, 2011

Social Studies
Thanks !
November 14, 2011

Social Studies
Im working on a review booklet for Social Studies and theres a couple questions Im having problems with, my test is tomorrow so I don't have time to ask my teacher , hope you can help ! :) First Question: "The scramble for Africa" began in the late 1800s when ...
November 14, 2011

physics
Suppose the ball is kicked horizontally with an initial speed of 9.37m/s. If the ball travels a horizontal distance of distnace 85 meters, how tall is the mountain?
November 14, 2011

physics
Assume the driver has a mass of 70.6 kg . What horizontal force does the seat exert on the driver? Answer in units of N
November 13, 2011

Physics
A 1000 kg car rolling on a horizontal surface has speed v = 55 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring?
October 24, 2011

Physics
Jane, looking for Tarzan, is running at top speed (6.2 m/s) and grabs a vine hanging vertically from a tall tree in the jungle. How high can she swing upward?
October 24, 2011

Physical Science
Under what circumstances would you expect the shared electron pair to be equal distances on the average from each of the atoms participating in a covalent bond?
October 18, 2011

Physical Science
What kind(s) of particles make up (a) gaseous compound (b) liquid compound (c) solid compound?
October 17, 2011

Physical Science
What is an example of radioactive decay?
October 13, 2011

American Gov
The most important source of political values in the United States is probably what? Mass Media Family Religion School Local Newspaper
October 11, 2011

algebra
use this inequality -4t - 8 less than or equal to 12 to fill in the missing number, t+4 greater than or equal to ___?
October 6, 2011

US Gov
I think it is B but I am not sure!
October 5, 2011

US Gov
The reason a statement specific to state powers was not part of the original U.S. Constitution was that: a. New York delegates refused to allow discussion on the matter. b. it was assumed to be obvious. c. it was deleted under the Virginia Plan. d. no such consensus existed at...
October 5, 2011

MATH QUIZ
Round each number to the underlined place value. 1.) 15.6571 -->5 is underlined 2.) 0.8914 -->1 is underlined 3.) 7,022.56 -->3 is underlined 4.) 345.678 -->6 is underlined Estimate. 5.) 3.7 · 8.06 about 32 about 27 about 12 about 24 6.) 17.25 + 6.66 about 9...
October 5, 2011

MATH QUIZ
Round each number to the underlined place value. 1. 15.6571 --> the underlined word is 5 2.
October 5, 2011

Physical Science
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom??
September 29, 2011

math
Make a tally chart for the number of students in the third-fourth-and fifth grade classes: 26,25,27,27,26,28,27 I don't understand how to find the answer.
September 22, 2011

physics
A plane is traveling at 300 m/s drops a bomb which hits it target 10 sec later. How high was the plane flying?
September 21, 2011

math
Assume that both Jane and Kathy start with 0 marbles. If Jane wins the first 15 games in a row, she will now have 15 marbles, and Kathy will have -15 marbles. This is because for ever game Jane wins, Kathy needs to hand over a marble. Jane cannot win anymore games. The goal ...
September 19, 2011

pe
what are the six common managerial functions that should be performed by a sports manager
September 8, 2011

Math
“How much does one cost?” asked the man.“50 cents” replied the hardware clerk“and how much does 18 cost?” the customer asked.“One dollar” said the clerk “Ok I’ll take seven hundred six” the man said “That will be \$1....
September 7, 2011

physics
I place a single negative charge in a region where there is a constant electric field pointed toward the floor. The charge feels a force where?
August 22, 2011

How to Start your own day care facility
THe first step to planning a child care center is to what?
August 16, 2011

Chemistry
If it were determined that there were 6.391 x 10^22 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh? Sorry for all the questions Dr. Bob.
July 29, 2011

Chemistry
Consider the reaction below : P4(s) + 5O2(g) ---> P4O10(s) How many grams of phosphorus react with 4.745 x 10^1 L of oxygen at STP to form tetraphosphorus decaoxide?
July 29, 2011

Chemistry
Thank you Dr. Bob.
July 29, 2011

Chemistry
How many moles of H atoms are there in 33.4282 grams of C2H4Cl2?
July 29, 2011

Chemistry
thank you :)
July 29, 2011

Chemistry
A sample of 0.30 moles of a metal M reacts completely with excess fluorine to form 18.69 grams of MF2. How many moles of F are in the sample of MF2 that forms? M + F2 ---> MF2 How many grams of M are in this sample of MF2 ?
July 29, 2011

Heat!!!
Can you please check my answers. My teacher gave me a list of 200 questions to study, but I lost the answer sheet. Can you please help me with these 23 Thanks 1. A silver bar 0.125 meter long is subjected to a temperature change from 200°C to 100°C. What will be the ...
July 5, 2011

Chemistry
Thank you
June 30, 2011

Chemistry
When 320.62 grams of Bi2O3 react with excess of C, how many moles of Bi form? I know I need to use stoichiometry, but I can't quite seem to get the correct balanced equation.
June 30, 2011

Chemistry
How many grams of C are required to make 431.47 grams of C3H8?
June 29, 2011

Chemistry
When 320.62 grams of Bi2O3 react with excess of C, how many moles of Bi form?
June 29, 2011

Chemistry
How many milliliters of 1.237 M HCl are required to react with 27.02 grams of MgCO3 ?
June 29, 2011

history
What was the significance of Winston Churchhill's Speech in 1946 in Fulton, Missouri? * plz help i have to write 2 paragraphs and cannot find enough info to write that much
May 24, 2011

math
Assume that both Jane and Kathy start with 0 marbles. If Jane wins the first 15 games in a row, she will now have 15 marbles, and Kathy will have -15 marbles. This is because for ever game Jane wins, Kathy needs to hand over a marble. Jane cannot win anymore games. The goal ...
May 10, 2011

Child Development
A good technique to prevent children from talking to you while you're observing them is to what? 1. Avoid eye contact 2. Sit far away 3. Stand to one side Which one is correct?? ( i think its one of the first two im not sure)
April 14, 2011

Math
The answer is 7 12+8+3= 23 so 30-23 is 7 At least this sounds right to me! Hope this works out for you.
April 14, 2011

French
1. _______ (On sundays), my parents _______(go) musee. 2. _______ (On Fridays) , my mother _______ (Go) Bank Sorry i did spanish at first, but any way this the translation for fre nch!
April 14, 2011

French
1. _______ (On sundays), month padres _______(aller) musée. 2. _______ (Viernes) , ma mère _______ (aller) Banque
April 14, 2011

Japanese
When i translated this it looked a lot diffrent then it does now! Sorry!
April 14, 2011

Japanese
April 14, 2011

child care
i just took the test that answer is correct!!
April 14, 2011

Oh so you are saying that the 35 should be a positive instead of a negative. Is that correct!!So the answer for r is 2. Thanks I think I get it.
April 12, 2011

is the answer to my equation right? equation: 5(3r-7)+r=3(r-3) 15r-35+r=3r-9 15r+r-3r=-35-9 13r/13 = -44/13
April 12, 2011

Does this answer seem correct. 2k+3=4k-5 2k-4k+3-3=-5-3 2k-4k=-5-3 -2k/-2k = -8/2 k=4
April 12, 2011

April 12, 2011

Physics
A car of mass = 1200 traveling at 60.0 enters a banked turn covered with ice. The road is banked at an angle , and there is no friction between the road and the car's tires.What is the radius of the turn if = 20.0 (assuming the car continues in uniform circular motion ...
April 6, 2011

French
I wrote "Bien que Rousseau etait apparemement..." And my teacher underlined bien que and drew an arrow to etait...what could he be referring to? And I wrote "Mais Rousseau pensait aussi que la nouvelle connaissance parce qu'il permettait..." My teacher ...
April 5, 2011

French
I am trying to say "When one person has a loss, another could perhaps benefit." This is what I have: Quand une personne a une perte, une autre peut-etre pourrait profiter a la perte. Was I supposed to have used conditional? And do you notice any errors?
April 5, 2011

Chemistry
Consider the following reaction: H2+I2<->2HI A reaction mixture at equilibrium at 175 K contains P(H2)=0.958 atm, P(I2)=0.877 atm, and P(HI)=0.020 atm. A second reaction mixture, also at 175 K, contains P(H2)=P(I2)=0.616 atm, and P(HI)=0.106 atm. What will the partial ...
April 4, 2011

Stats
How many different simple random sample of size 8 can be obtained from a population whose size os 42?
March 28, 2011

(3/4) (1/-2) + (5/6) (-1/3)
March 27, 2011

7r +21s - 4r +18s 7r-4r =21s+18s 3r+39 Does this sound correct.
March 27, 2011

March 27, 2011

chemistry
What is the percent by mass of NaHCO3 in a solution containing 60 g of NaHCO3 dissolved in 500 mL of H2O
March 23, 2011

computer science
Create a method called countZeros, which takes an integer array as an input parameter and returns the number of zero entries in the array
March 21, 2011

Teacher Aide
What are the answers??? And please let me know if you actually passed this exam.
March 11, 2011

Teacher Aide
Im doing Child devolopment and human behavior... and i want and need help! I have a headache! 1-20
March 11, 2011

math
somebody help with this question
February 27, 2011

math
ms.pritchard wrote the following inequality on the board 5.6 with the sign greater on equal to then negative fourteen what should be the solution set for the inequality
February 27, 2011

ap chem
what is the entire equation because you should be able to set it up as kc=(concentrations of products)/(concentrations of reactants). Also the balanced chemical equation will tell you to what power the concentration is raised to.
February 13, 2011

Physics
3.84m/s^2
January 31, 2011

English
Like everyone is saying you have to read the questions and answers carefully and just match these answers closest to your options. and also they are all the same questions except the optional answers were in a different order. And @Daniel is correct , #4 and #7 are wrong and ...
January 28, 2011

algebra
is it (x - 2x)^2 ?
January 27, 2011

algebra
decide whether each trinomial is a perfect square. if so, factor it. x^2 - 4x + 4 how do i solve this?? i don't understand the method..
January 27, 2011

algebra
ok, thank you
January 27, 2011

algebra
write each square as a trinomial: (-11t^2 - 2)^2 (22t^4 + 44 + 4) <- is this answer correct?
January 27, 2011

Chemistry
How much energy, in calories, will be required to evaporate 125.0 mL of ethanol at its boiling point? Given: Density 0.818 g/mL Boiling Point 78.5 C Heat of Vaporization 210 cal/g Any help is appreciated!
January 19, 2011

Chemistry
what number should be placed in the blank to balance the equation C 3 H 8 + 50 2 --> 3 CO 2 ___ H 2 O I have been working on this Q for four hours and it is driving me CRAZY please HELP i hate chemistry or anything with numbers in it as a matter of fact.
January 12, 2011

language infinitives
December 11, 2010

Calculus
assuming that you wish to have \$19000 in 7 years and that the account earns 6% compounded continuously. Round your answer to the nearest cent. Answer:
December 1, 2010

Calculus
Company QRS generated a net profit between 1992 and 1997 at a rate approximated by 20 t + 264.5 million dollars per year, where t is the time in years since 1992. Find the value, in 1992, of QRS's net profit over the 5-year period from 1992 to 1997. Assume that the ...
December 1, 2010

Calculus
Redo problem 8 in section 6.3 of your textbook (page 288) assuming that the parents need \$105000 in 9 years for college expenses, and that the bank account earns 9.25% compounded continuously. Round your answers to the nearest cent. (You may need to compute your answers to 4 ...
December 1, 2010

Algebra: Simple Interest
(5000 - x).12 + x(.10) = 568 (5000).12 - (x).12 + x(.10) = 568 600 - .12x + .1x = 568 subtract 600 from both sides -.12x + .1x = -32 -.02x = -32 divide both sides by -.02 x = 1600 3400 at 12% and 1600 at 10%
November 22, 2010

Physics
A 50-kg block is at rest on a 15 degree slope. A force of 250 N is acting on the block up the slope parallel to it. If the block does not slide up the slope, what is the minimum value of the coefficient of static friction between the block and the slope?
November 22, 2010

accounting
(cost - salvage)/life = annual depreciation (1000 = 50)/5 = 190 Book value - # years depreciated x annual depreciation = book value 1000 - 2(190) = 620
November 22, 2010

Algebra
Similar are proportional. 12 is to a as 3c is to c cross product 12c = 3ac divide both sides by 3c and a = 4
November 22, 2010

math
whats 5 to the seventh power and whats 5 to the third power
November 14, 2010

math
Mrs.rushford began to hike at an elevation of negative 40 feet. her elevation decreased by 90 feet in one hour what was Ms.rushford elevation after 1 hour
November 14, 2010

Chemistry
DrBob222, why don't you just post the damn answer?
October 25, 2010

Math
Ferroza can buy a 24 ounce bag of ferret food for 1.19 or she can buy a 36 ounce bag for 2.89. which is the better deal?
October 19, 2010

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