Tuesday
July 29, 2014

Posts by Cesar


Total # Posts: 59

Physics
A boy on a 2.4 kg skateboard initially at rest tosses a(n) 8.2 kg jug of water in the forward direction. If the jug has a speed of 3.0 m/s relative to the ground and the boy and skateboard move in the opposite direction at 0.57 m/s, find the boy’s mass. Answer in un...

C++
hi i need some help on my final it says create an application that allows the user to enter a customer's account number. The application should lookup name and balance based on the account number according to the following list: (NOTE: you will be given a new file of data ...

programming
hi i need some help on my final it says create an application that allows the user to enter a customer's account number. The application should lookup name and balance based on the account number according to the following list: (NOTE: you will be given a new file of data ...

Physics
How many calories will take to convert 5 grams of 90C degree water to 0 C degree?

english
B.Figure of speech

Business Management
1. Identify the publisher and the number of pages for Ellison's 2002 edition of Invisible Man.

Health
i got c is that right

health
is it d

Algebra
Do the equations x = 4y + 1 and x = 4y – 1 have the same solution?

Physics. PLEASE HELP!!
for KE since you already have all the numbers... KE1 + KE2 = (.5*I1*W1^2) + (.5*I2*W2^2)

Social studies
substitution

4 th grade Math
Of the first graders who were asked, 1/6 like math best, 2/3 like reading best, and 12 like science best. How many first graders were asked their favorite subject? Into how many equal parts should the picture be divided?

american literature
Can anyone check my research paper and tell me what i did worng and how i can improve it?

Calculus
Suppose that p(x) is the density function for heights of American men, in inches, and suppose that p(69)=0.22. Think carefully about what the meaning of this mathematical statement is. (a) Approximately what percent of American men are between 68.7 and 69.3 inches tall? b) Sup...

Calculus
On b, it was If P(69)=0.5

Calculus
Suppose that p(x) is the density function for heights of American men, in inches, and suppose that p(69)=0.22. Think carefully about what the meaning of this mathematical statement is. (a) Approximately what percent of American men are between 68.7 and 69.3 inches tall? b) Sup...

Math: Functions
But with units.. how would it be?? cause it remarks be sure to include units! pleasee

Calculus
Evaluate the integral INT(x^4+6x^3+5x^2+8)/(x^2+6x+5)dx Please help.

Physics
A total 3.09e6 electrons are placed on an initially uncharged wire of length 1.36 m What is the magnitude of the electric filed a perpendicular distance of 0.417m away from the midpoint wire? I used E=k|Q|/(x(x^2+L^2/4)^1/2) and I got 9.37e16 N/C which is too large. Can someon...

Physics...help please!
I think I got it... 32.0 degrees?

Physics...help please!
Unlike a ship, an airplane does not use its rudder to turn. It turns by banking its wings: The lift force , perpendicular to the wings, has horizontal component, which provides the centripetal acceleration for the turn, and a vertical component, which supports the plane’s...

Calculus
Find dy/dx in terms of x and y if (x−a)^9+y^9=a^9. Assume that a is a constant

Calculus
Find dy/dx in terms of x and y if (x−a)^9+y^9=a^9. Assume that a is a constant.

Calculus
I have no idea why that's not the answer.....

Calculus
I already tried 7 for the first two... but the web ways that the answer is incorrect...

Calculus
Sorry for posting another quesiton..; f(x) = { -7x^2 + 7x for x<=0 { 3x^2 + 7x for x>0 According to the definition of derivative, to compute f'(0), we need to compute the left-hand limit lim x-> 0− = _____ and the right-hand limit lim x->0+ ______ We con...

Calculus
Thanks

Calculus
Identify any x-values at which the absolute value function f(x) = 6 |x + 7|, is not continuous: x = _____ not differentiable: x = _____

Physics
Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightward-pointing force of magnitude 15 N is applied to the left-most block. a.)What is the magnitude of the force that the middle ...

english
passive voice

Social Studies
In the Fall of Rome, what were the results of the movement of different Germanic tribes on the trade and political systems of the Roman Empire?

8th grade
what kind of electron determines if a compound is covalent or ionic?

Biology
can you show the diagram if th pedegree of the fipnob family

Grammar
Two households, both alike in dignity. what is the prologue's first prepositional phrase?

english
is that the sentence or am i suppose to try?

english
you can oly use 4 words.

english
now i need a sentence that goes in this exact order, adverb, verb, pronoun, adverb.

English
i need a sentence with al that

English
i need a sentences. one with a pronoun then conjuction, pronoun, helping verb, verb, prep, pronoun.

algebra
4 week

Texas History
How did Native Americans' way of life at the missions differ from thier traditional way of life?

Texas History
Relations were usually peaceful between the Spanish and the French because they reconized a common boundary. Explain the need for a commonly reconized boundary cultures in confict today.

Texas History
Why did Spanish missionaries continue their work in East Texas and on the Plains when many people there resented them?

calculus
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)

chemistry
why do you think the statue of liberty was made of copper instead of zinc

homework
Tell me the answers

Us History
The Lousiana Purchase removed a major point of contention between the United States and a European power but left many others. Which areas of possible conflict remained, and what were the sources of these potential conflicts?

Us History
What decisions by the leaders of both the American and British military forces proved crucial to the American victory in the Revolution? Why were these decisions so important?

Us History
How did the action of Daniel Shays and his followers relate to the economic problem of the Confederation period?What was the significance of the movement he led?

Us History
Why did the British decide to launch a campaign against the southern colonies in 1778?What advantages and disvantages did each side have in this region?

Us History
Why were the early settlements in the Caribbean considered more important than those on the mainland of North America?

US History
What innovations allowed the Europeans to sustain much greater population densities on the land? How did European farming practices change the landscape of the Chesapeake and New England?

US History
How did the Native Americans respond to the expansion of English settlement in each area?

American History
How did the colonial view of the nature of the British Empire differ from the view by George III and his supporters?

American History
Why was the Tea Act seen by many Americans as a threat to themselves and their institutions?

American History
What was the "political outlook" that gained a following in America and ultimately served to justify revolt?

american history
How did the colonial view of the nature of the British Empire differ from the view by George III and his supporters?

math-algebra
the answer is B. when you multiply you get (225/6840) simplifing this and you will get 5/152.

math
45

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