Tuesday

September 2, 2014

September 2, 2014

Total # Posts: 566

**us history**

what would teddy roosevelt put in a time capsule if needed to?
*December 12, 2010*

**math**

subtracting fractions with different denominators. Change answer to simplest form: 3/9 - 1/4
*December 9, 2010*

**math**

1/2 + 2/5 in simplest form?
*December 8, 2010*

**6th grade**

You take -5 and subtract that by 17 which you get the answer 12.
*December 7, 2010*

**physics**

200 = .5gt^2 = 6.39s
*December 6, 2010*

**science**

is there a formula i can use to determine the diameter of the ball or the percentage of size reduction? The ball has a diameter of 8.5 inches and is inflated to 7 lbs. at 0 depth
*November 28, 2010*

**science**

what happens to a soccer ball underwater at a depth of 50 feet?
*November 28, 2010*

**Physics**

A baseball catcher puts on an exhibition by catching a 0.15-kg ball dropped from a helicopter at a height of 101 m. What is the speed of the ball just before it hits the catcher's glove 1.0 m above the ground? (g = 9.8 m/s2 and ignore air resistance)
*November 27, 2010*

**social studies**

Hi I am in grade 9 social studies, and I dont understand the part of this assignment it is a ch.2 english cival war and democracy. I do want full marks on this assignment okay, or else I will get a c or an f minus.
*November 16, 2010*

**Math**

2nd grade math question. Kara's shirt has 3 more tens than ones. The value of the ones is greater than 4 and less than 6. What is the number?
*November 10, 2010*

**Statistics**

How do you construct a frequency distribution table for the indicated data set? Month Precipiation (inches) January 2.01 February 2.08 March 2.39 April 2.85 May 6.21 June 9.33 July 5.70 August 7.58 September 7.63 October 5.64 November 2.66 December 1.83
*November 10, 2010*

**Algebra-Reiny please check**

How can the LCD be 4x^2 when you have two (2x^2) as two of the denominators?
*November 9, 2010*

**Algebra-Please help me**

Could you please show me how to solvethis: x+6/4x^2 + 3/2x^2 = x + 4/2x^2 Please show me the steps-I don't even know where to start and I have 30 of these for homework Thank you
*November 9, 2010*

**Statistics**

a)One game in a state lottery requires you to pick 1 heart, 1 club, 1 diamond, and 1 spade, in that order, from the 13 cards in each suit. What is the probability of getting all four picks correct and winning $5000 b)If three of the four selections in part (a) are correct, the...
*November 8, 2010*

**drawing**

a)One game in a state lottery requires you to pick 1 heart, 1 club, 1 diamond, and 1 spade, in that order, from the 13 cards in each suit. What is the probability of getting all four picks correct and winning $5000 b)If three of the four selections in part (a) are correct, the...
*November 8, 2010*

**English**

I'm writing an essay on the short story, The Bouquet. It's a essay on the character of Mary Myrover. Tell me what you think... =D Mary Myrover is Charles W. Chesnutt's major character in the short story, "The Bouquet". She is a prideful, southern white ...
*November 2, 2010*

**geometry**

Find the value of x Show work 3x _ = x+15 2
*November 2, 2010*

**English**

Hmmm. Still cant can't think of anything. Please help ASAP. :)
*November 2, 2010*

**English**

I'm writing an essay on the short story, The Bouquet. It's a essay on the character of Mary Myrover. Tell me what you think... =D Mary Myrover is Charles W. Chesnutt's major character in the short story, "The Bouquet". She is a prideful, southern white ...
*November 2, 2010*

**College Physics**

its maximum displacement is also its Amplitude. When an object is in SHM and reaches its A, its velocity is zero.
*October 24, 2010*

**6th grade**

What are the d themes of geography ,
*October 17, 2010*

**art**

draw picture
*October 17, 2010*

**English**

What concerns does Omi and Winant’s theory of “racial formation” share with Bell Hooks’ critique of postmodernism? How might Omi and Winant’s concept address hooks’ concerns about what is lost when we reject essential identity?
*October 16, 2010*

**algebra honors**

determine whether each set of ordered pairs is a function {)(0,1),(1,-1),(5,-1),(-1,)}
*October 5, 2010*

**Math**

The graph of any quadratic function can be drawn from the vertex form of the equation, by performing 1,2,3,or 4 transformations on the graph of f(x) = x sqaured
*October 3, 2010*

**science**

what is ecrfenine unscrambled
*September 27, 2010*

**Physics**

y = .5gt^2 160 = .5gt^2 = 5.71s
*September 21, 2010*

**physics**

160 = .5gt^2 = 5.7s
*September 21, 2010*

**physics**

125 = .5gt^2 = 5.1s
*September 21, 2010*

**Algebra**

Determine if the following two planes 2x+3y-z=4 and 3x-4y-6z=1 are parallel, orthogonal or coincidental
*September 21, 2010*

**Science**

What is it called when scientists do their experiments more than once to reduce chance errors?
*September 13, 2010*

**calculus**

Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the y-axis. y=4/x, y=0, x=2, x=3 I know you have to integrate from 2 to 3 but im not sure what the integral should be
*September 9, 2010*

**Calculus**

Use cylindrical shells to find the volume V of a right circular cone with height 7h and base radius 4r.
*September 9, 2010*

**Math**

How is the number of zeros in the quotient in 180 divided by 8 equals 20 related to the bumber zeros in the dividen?
*September 8, 2010*

**Math**

The Energy formula is (f(t))^2 dt over the integral from t2 to t1. However, I don't know how to utilize it in this case.
*September 8, 2010*

**Math**

f(t)=A[u(t)-u(t-10)], where u(t) is the unit step function. Is the energy of this signal finite? Why or why not? If it exists, find the energy of this signal.
*September 8, 2010*

**Science**

A pallet of boxes weighing 10 tons is dropped from a lift truck from a height of 10 feet. The maximum velocity the pallet attains before hitting the ground is 6 ft/s. How much kinetic energy does the pallet have in (ft)(lbf) at this velocity?
*August 31, 2010*

**social studies**

what are types of land and waterways also known as? Physical features or landforms?
*August 24, 2010*

**English**

Help with fragment, The panther lay motionless behind the rock. Waiting silently for its prey.
*July 12, 2010*

**French**

I'm in grade 9, and my oral exam is coming up on monday. One of the possible questions involves knowing the plot of the textbook 'Sans frontieres 9e' that I had to return already. Specifically 'Selon toi, qui a commis le crime a\Logi-clique? Pourquoi?' ...
*June 12, 2010*

**grammar verb adverb**

What is the verb and adverb in the sentence The unpredictable volcanic activity discourages people from living there.
*June 9, 2010*

**8th grade Composition**

Identify parts of Speech for sentence below, on numbered word: 1 2 3 Before the eruption, Mount St.Helena was 4 like a giant pressure cooker.
*May 25, 2010*

**geometry**

Classify the triangle as right, acute, or obtuse if the measures of its sides are 28, 46, and 53.
*May 2, 2010*

**English**

Are there any deeper ideas in Journey to the Center of the Earth by Jules Verne? i.e. irony, symbolism, or anything like that
*April 30, 2010*

**Waves**

Hey just finished this question on mastering physics. The velocity of a wave is defined as wavelength*frequency. it is also defined as sqrt(Tension/(mass/rope length)). Set the two definitions equal to each other and solve for the Tension and you should have your answer!
*April 25, 2010*

**ap calculus ab**

what is the derivative of y=arccos(4x)/3x
*April 19, 2010*

**ap calculus ab**

what is the derivative of y=arccos(4x)/3x
*April 19, 2010*

**science**

an unknown metal has a volume of 20cm^3 and a mass of 54g. Identify the metal
*April 11, 2010*

**Language Arts 7th Grade**

i am doing a speech about the kx65 and i am having trouble with the introduction (the kx65 is a dirt bike by the way.
*April 4, 2010*

**5th grade MATH!!!!!**

No, it can only have one midpoint, because if it had two midpoints, then there would be two line segments! Also, if you add two midpoints, then thus creating another segment.
*March 22, 2010*

**trig**

How do I solve for theta in tan theta = -1?
*March 12, 2010*

**math**

I wrote my question wrong. It should be write 25000000 in expanded notation using the power of 10
*March 7, 2010*

**math**

write 25000000 to the power of 10
*March 7, 2010*

**Social Studies **

World War I 1. The alliance system was supposed to prevent war, but it turned a local conflict into a general European war. Why did it fail so badly? 2. World War I cost Germany and other European countries on an economic and a social level. How were people's everyday ...
*March 3, 2010*

**Chemistry**

Write an equation for the reaction between the Bronsted-Lowry acid HOCl(aq) reacting with base CO32-(aq) I am having difficulty with this question. Here is what i have so far but I know i went wrong somewhere. HOCl (aq) + CO32-(aq) --> HCO3-(aq) + OCl(aq) Any help would be ...
*March 2, 2010*

**Physics/ Adamson University**

Q=0 delta U= -W delta U= 410j but since it is compression delta U= -410j Temp should rise since the pressure of the system increased
*February 25, 2010*

**Mathematics**

A solution is mixed with a 12% acid solution to form a 16% acid solution. How many liters of the 20% acid solution are used to make 10 liters of the 16% acid solution?
*February 24, 2010*

**physics**

The current of a river is 1.9 m/s. A person can swim 0.7 m/s. What is the best angle for the swimmer so that it is swept downstream the shortest distance possible? Distance of river is 120 m.
*February 22, 2010*

**AP Chemistry**

A 500 g piece of metal at 60 degrees celsius is placed in 200g of water at 22 degrees celsius contained in a coffee cup calorimeter. The metal and water come to the same temperature at 32.5 degrees cesius. The specific heat of the water is 4.184 j/g(degrees celsius) a) how ...
*February 15, 2010*

**AP Chemistry**

i still keep messing up, can someone give me a specific answer i can use as a base?
*February 15, 2010*

**Math**

Thank you
*February 3, 2010*

**Math**

Two small planes start from the same point and fly in the opposite directions. The first plane is flying 35 mph slower than the second plane. In 2 hrs, the planes are 530 mi apart. Find the rate of the slow plane.
*February 3, 2010*

**SOCIAL STUDIES**

THIS IS ABOUT EXPLORERS. WHAT IS A JOURNEY MADE FOR A SPECIAL REASON?
*January 28, 2010*

**Math**

The price of an international call from Detroit to Paris, France, using a particular phone company is 75 cents for the first 5 minutes and 10 cents for each additional minute or fraction thereof. What is the cost (in dollars) of a 25 minute call from Detroit to Paris?
*January 23, 2010*

**physics**

Jennifer (mass 58.0 kg) is standing at the left end of a 13.0 m long 594.0 kg cart that has frictionless wheels and rolls on a frictionless track. Initially both Jennifer and the cart are at rest. Suddenly, Jennifer starts running along the cart at a speed of 5.70 m/s relative...
*January 22, 2010*

**Language Arts**

Is the following a correct sentence: Martha and him ate the sandwich.
*January 14, 2010*

**math**

what is 6 3/4 - 7 2/8
*January 13, 2010*

**social studies**

compare trading in China, America, Egypt and Greek then and now.
*December 10, 2009*

**social studies**

what is the history of trading then and now
*December 10, 2009*

**Physics**

A spring has a spring constant of 259N/m. Find the magnitude of the force needed (a) to stretch the spring by 3.54 10-2m from its unstrained length and N (b) to compress the spring by the same amount. N
*November 17, 2009*

**5th grade Language**

Read the poem and answer the question 1. There once was a owboy named Ray 2 who never had that much to say 3 except or the times 4. Stampedes topped on a dime 5 when that cowboy named Ray hollered "hey" 1 in which lines do you see repetition? 2 what is the example of...
*November 5, 2009*

**4 grade**

do you have a anwser to this question ,68, ,94, ,120 and the rule
*October 22, 2009*

**Physics**

I think the 2a is meant to be 2 * a
*October 18, 2009*

**Physics**

When you lift a ball with a force of 82N, the ball accelerates upward with an acceleration of a. If you lift with a force of 92N, the balls acceleration is 2a. Find the weight of the ball, and the acceleration a. I tried solving this via substitution algebra, but the answer ...
*October 18, 2009*

**4th Grade Math**

Do you have any answers for this question ,68, ,94, ,120, and the rule
*October 12, 2009*

**Social Studies**

What idea did the United States Constitution borrow from the Iroquois League?
*October 12, 2009*

**Physics**

My thoughts were that tension must be halved in one sense or another, but I cant seem to get the math to work out involved, perhaps Im missing the equations entirely.
*October 8, 2009*

**Physics**

This is another problem that I need clarification on since no one seems to be of any help at my school, A pulley system is used to lift a 52- crate.Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume ...
*October 8, 2009*

**Physics**

C ( ) | O | | | | | | | | | | O ) (Force via hand) | [52kg] Sorry for such a crude drawing but if you imagine the lines as the rope, the parentheses as curves in the line, and O's as the pulleys. C = Cieling
*October 7, 2009*

**Physics**

This is another problem that I need clarification on since no one seems to be of any help at my school, A pulley system is used to lift a 52- crate.Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. Assume ...
*October 7, 2009*

**math**

The solution seems to follow this pattern. 2 x 5 = 10 10 -5 = 5 5 x 5 = 25 25- 5 = 20 20 x 5= 100 Basically first number times 5, next minus 5, the next again times 5, the one after minus 5 Etc.
*October 7, 2009*

**Physics**

\ 130o / \ / \ / \ / \O/ /|\ C mg C 1 2 C= contact force #1 and #2. Does this fit your logic?
*October 7, 2009*

**Physics**

Please help me out, I can't figure out the process for answering this question and my TA is of no help, A 0.11- ball is placed in a shallow wedge with an opening angle of 130 degrees,for each contact point between the wedge and the ball, determine the force exerted on the ...
*October 7, 2009*

**history**

What is socialism?
*October 3, 2009*

**Bio**

Flowering is not a category in which land plants are classified.
*September 22, 2009*

**mathematic**

if f(x)=cos(5x) find f(pie/4)
*July 19, 2009*

**math**

if f(x)=cos(5x) find f(ð/4)
*July 18, 2009*

**math**

thank you soo much for all ur help
*July 18, 2009*

**math**

thank you very much for all ur help
*July 18, 2009*

**math**

if f(x)=3tan(x)+2 and, find f(ð/3)
*July 18, 2009*

**mathematics**

sinÈ= 1/4 and ð/4<È<ð, find the value of cosÈ
*July 18, 2009*

**mathematics**

for all values of X for which of the following is defined, find th value of cot^2(X)- csc^2(X)
*July 18, 2009*

**Physics**

wwhat is the kinetic energy of a 1500kg car with a velocity of 72km/r B.... how much work must be done on ths car to bring it to a complete stop
*June 20, 2009*

**math**

how do u factor 7x^3+28x^2-35x ? thanx.
*June 6, 2009*

**5th grade math**

Round 427,685 to the nearest thousand. A. 400,000 C. 428,000 B. 427,000 D. 430,000 the answer is C Round 0.8394263 to the nearest hundred-thousandth. A. 0.840 C. 0.83942 B. 0.83943 D. 0.839 would the answer be B?
*May 14, 2009*

**English**

Could someone help me write a thesis statement for the following topic: "Our school should be free of all weapons including the guns carried by a police officer." So far this is what i have for a thesis statment. "Although having police officers in our schools ...
*May 7, 2009*

**English**

It still needs some tweaking. I feel that it's too specific. What do you think?
*May 6, 2009*

**English**

Hi, thanks your website was helpful. I don't think armed police officers should be in our schools. This is what i have so far: "Although having police officers in our schools has proven a success rate in the decrease of violence and bullying, armed police is not a ...
*May 6, 2009*

**English**

Hi, I am doing an essay on the topic "Our school should be free of all weapons - including the guns carried by a police officer.I am having difficulty coming up with a thesis statement, could you help me. Thanks.
*May 6, 2009*

**5th grade**

what is m+4=1
*March 24, 2009*

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