Friday
October 31, 2014

Posts by Cesar


Total # Posts: 60

geometry
AB=9a BC=12a AC=42 I don't understand how to work this out if I don't have say 3y+1.
October 2, 2014

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 ...
January 16, 2013

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 ...
December 18, 2012

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 ...
December 18, 2012

Physics
How many calories will take to convert 5 grams of 90C degree water to 0 C degree?
October 22, 2012

english
B.Figure of speech
October 16, 2012

Business Management
1. Identify the publisher and the number of pages for Ellison's 2002 edition of Invisible Man.
October 2, 2012

Health
i got c is that right
August 30, 2012

health
is it d
August 13, 2012

Algebra
Do the equations x = 4y + 1 and x = 4y – 1 have the same solution?
July 5, 2012

Physics. PLEASE HELP!!
for KE since you already have all the numbers... KE1 + KE2 = (.5*I1*W1^2) + (.5*I2*W2^2)
April 25, 2012

Social studies
substitution
March 13, 2012

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?
March 6, 2012

american literature
Can anyone check my research paper and tell me what i did worng and how i can improve it?
December 2, 2011

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) ...
October 28, 2011

Calculus
On b, it was If P(69)=0.5
October 27, 2011

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) ...
October 27, 2011

Math: Functions
But with units.. how would it be?? cause it remarks be sure to include units! pleasee
October 7, 2011

Calculus
Evaluate the integral INT(x^4+6x^3+5x^2+8)/(x^2+6x+5)dx Please help.
September 20, 2011

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 ...
September 12, 2011

Physics...help please!
I think I got it... 32.0 degrees?
April 7, 2011

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...
April 7, 2011

Calculus
Find dy/dx in terms of x and y if (x−a)^9+y^9=a^9. Assume that a is a constant
March 15, 2011

Calculus
Find dy/dx in terms of x and y if (x−a)^9+y^9=a^9. Assume that a is a constant.
March 15, 2011

Calculus
I have no idea why that's not the answer.....
February 23, 2011

Calculus
I already tried 7 for the first two... but the web ways that the answer is incorrect...
February 23, 2011

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 ...
February 23, 2011

Calculus
Thanks
February 23, 2011

Calculus
Identify any x-values at which the absolute value function f(x) = 6 |x + 7|, is not continuous: x = _____ not differentiable: x = _____
February 23, 2011

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 ...
February 20, 2011

english
passive voice
November 13, 2010

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?
September 29, 2010

8th grade
what kind of electron determines if a compound is covalent or ionic?
April 13, 2010

Biology
can you show the diagram if th pedegree of the fipnob family
April 5, 2010

Grammar
Two households, both alike in dignity. what is the prologue's first prepositional phrase?
March 15, 2010

english
is that the sentence or am i suppose to try?
March 15, 2010

english
you can oly use 4 words.
March 15, 2010

english
now i need a sentence that goes in this exact order, adverb, verb, pronoun, adverb.
March 15, 2010

English
i need a sentence with al that
March 15, 2010

English
i need a sentences. one with a pronoun then conjuction, pronoun, helping verb, verb, prep, pronoun.
March 15, 2010

algebra
4 week
February 10, 2010

Texas History
How did Native Americans' way of life at the missions differ from thier traditional way of life?
October 12, 2009

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.
October 10, 2009

Texas History
Why did Spanish missionaries continue their work in East Texas and on the Plains when many people there resented them?
October 10, 2009

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.)
September 24, 2009

chemistry
why do you think the statue of liberty was made of copper instead of zinc
February 26, 2009

homework
Tell me the answers
November 16, 2008

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?
October 15, 2008

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?
October 4, 2008

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?
September 26, 2008

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?
September 20, 2008

Us History
Why were the early settlements in the Caribbean considered more important than those on the mainland of North America?
September 8, 2008

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?
September 5, 2008

US History
How did the Native Americans respond to the expansion of English settlement in each area?
September 5, 2008

American History
How did the colonial view of the nature of the British Empire differ from the view by George III and his supporters?
August 29, 2008

American History
Why was the Tea Act seen by many Americans as a threat to themselves and their institutions?
August 28, 2008

American History
What was the "political outlook" that gained a following in America and ultimately served to justify revolt?
August 28, 2008

american history
How did the colonial view of the nature of the British Empire differ from the view by George III and his supporters?
August 28, 2008

math-algebra
the answer is B. when you multiply you get (225/6840) simplifing this and you will get 5/152.
September 26, 2007

math
45
September 24, 2006

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