Tuesday
September 23, 2014

Posts by andrew


Total # Posts: 967

Spanish
Can someone help translate this proverb to English? -------- La casa de huérfanos de Lima fue fundada en 1597 por Luis Ojeda el Pecador, bajo la advocación de Nuestra Señora de Atocha. Lo que movió al caritativo varón a ocuparse de los exp&...
October 24, 2011

U.S History
thanks for the help!!!!!!! =']
October 17, 2011

calculus
Find the derivative of the function y(x)=c^x+x^c. Assume that c is a constant.
October 16, 2011

physics
A person pushes horizontally with a force of 170 N on a 68 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.22. (a) What is the magnitude of the frictional force? (b) What is the magnitude of the crate's acceleration?
October 11, 2011

math
Find two numbers the exact answer is between. 3 X 567
October 5, 2011

Civics
im suppose to write an answer to that prompt but i have no idea what the question is answering so i cant think of what to write
September 21, 2011

Civics
explain how the relationship between the american colonists and great britain affected the development of the underlying priciples and ideas in the declaration of independence and in the new state constitutions in north america in the eighteenth century
September 21, 2011

STATS
.6
September 16, 2011

pre algabra
write 20h/24h in its simplest form
September 13, 2011

Physics
A raindrop of mass 57.40 mg (that is milli- gram) falls in quiet air (no wind). Due to the air resistance force, the drop has a maximum velocity called the terminal velocity of magnitude, 17.50 m/s, which is reached high above ground. What would be in N the weight of the rain ...
September 8, 2011

Math
A landscaper is designing a garden with hedges through which a straight path will lead from the exterior of the garden to the interior. If the polar coordinates of the endpoints of the path are (20, 90°) and (10, 150°), where r is measured in feet, what is the equation...
September 6, 2011

Math
An auditorium has 1600 seats. At a ticket price of $6, the owners can sell 1200 tickets. For each 25 cent increase in price the tickets sold reduces by 25. What price should the owners set to maximize the income?
August 30, 2011

Math
How do you write the expression for...the sum of the quotient of p and 14, and the quotient of a q and 3
August 22, 2011

American Democracy
What is Devolution
August 17, 2011

Engineering Dyanamics
post an answer.
August 1, 2011

Science
If it takes 35s for the tughboat to increse its speed uniformly to 25 km/h, starting from rest. The barge has a mass of 75Mg. The propeller provides the propulsion force F which gives the tughboat foward motion, where as the barge moves freely. Determine the force of the rope ...
August 1, 2011

math
What is the projected population over a period of 340 years in a region which begins with three couples?
July 18, 2011

Calculus
i got V= 4x^3-72x^2+288x V=12x^2-144x+288=0 Then I foiled that and my answers were x=6 and x=12. Clearly I have no idea what I'm doing, I have a test in my class on wednesday and I need to be able to make sense of this in my homework due tomorrow
July 18, 2011

Calculus
Would that make the dimensions x=6 and 12? or did I do that wrong?
July 18, 2011

Calculus
an open box is made by cutting out squares from the corners of a rectangular piece of cardboard and then turning up the sides. If the piece of cardboard is 12 cm by 24 cm, what are the dimensions of the box that has the largest volume made in this way?
July 18, 2011

Algebra 1
Can someone help me do this problem? (The square root of x squared minus 11) + 1 = x.
July 8, 2011

Chemistry
Little confusing!! I need help PLZ!!! Two half cells in a galvanic cell consist of one iron (Fe(s)) electrode in a solution of iron (II) sulphate (FeSO4(aq)) and a silver (Ag(s)) electrode in a silver nitrate solution. a. Assume the cell is operating as a galvanic cell, state ...
June 17, 2011

physics
a 20 pound inch per hundred psi motor operates with a torque load of 500 pound inches. what is the operating pressure?
June 17, 2011

Probability
1 a) What is the probability of you drawing three face cards from a well shuffled deck if you keep each card you draw? Since there are 12/52 face cards would it be first 12/52, then 11/51 then 10/50? I am confused about this b) What is the probability of you drawing three face...
June 5, 2011

Probability
How many different three-digit numbers can be formed using the digits 1,3,5,7 and 9 if the digits may be repeated?
June 5, 2011

Spelling
homesick
May 26, 2011

Advances Functions And Modeling
Find the sum of the first 40 terms of the arithmetic sequence: 13, 19, 25, 31, ...
May 24, 2011

math
if you need 10 quarts of juice and have 2 gallons,do you have enough juice?
May 23, 2011

math
What is more? 3 quarts of juice or 10 cups of juice?
May 23, 2011

Economics
if the government lowers taxes the republican party will be very excited and it will be as if the republicans are the leaders and democrats are not having a change to make their own decisions.republicans always have wanted to not have to pay taxes.
May 23, 2011

science
What do kids do on Make a Difference DAY?IS IT A POPULAR HOLIDAY?
May 19, 2011

math
excuse me you just answered someone's question who posted after me shouldn't you try to answer mine? Also, I still need help on this question.
May 17, 2011

math
someone please help me!!! and fully explain!!! =0
May 17, 2011

math
a dollar bill has an area of 15.86 square inches. If a dollar bill is 2.6 inches long, how wide is it? Also, please explain how you got the answer because i am very confused.
May 17, 2011

business
explain the stages in the retail life cycle and the different strategies that a manager can employ inorder to maximise returns
May 6, 2011

Math
21 3/5
May 4, 2011

Math
A boat moves 7 kilometers upstream in the same amount of time it moves 17 kilometers downstream. If the rate of the current is 9 kilometers per hour, find the rate of the boat in still water.
May 4, 2011

social studies
Why do people need government?
May 2, 2011

Science
no
April 29, 2011

Science
Where can I find AP Environmental Science old AP exams? I need to study.
April 29, 2011

chemistry
210 210 Pb --> Bi + ? 82 83 60 0 Co --> ? + e 27 -1 I need an explanation on how to find the missing product.
April 6, 2011

calculus
@Damon : Appreciate it sir. u are a life saver. i was on track and needed a kick . thanks alot.
April 2, 2011

calculus
1. Consider a projectile, say a frictionless teddy bear, which is thrown at an angle of theta with an initial velocity of v0.  a) For a fi xed angle, and the maximum height of the teddy bear.  b) Calculate the distance that the teddy bear travels before ...
April 2, 2011

calculus
6. A parabaloid with height h and radius r has volume 1/2 pieR^2H. Consider a parabaloid-shaped water tank with height of 7m and radius of 4m. If V is the volme of water in the tank and h is the depth of water, find the relationship between dV/dt and dhdt. How is the ...
April 2, 2011

math/physics
@ reiny if dx/dt = 0 then y should also be zero
April 1, 2011

math/physics
if dx/dt = 0 then y should also be zero
April 1, 2011

math/physics
5. Consider a particle moving counter-clockwise around the ellipse x^9/9 +y^2/4 = 1. Find a relationship between dy/dt and dx/dt What are the rates of change of y and x at the times when the other variable isn't . changing at all?
April 1, 2011

munir
its bit of maths and physics. ms .sue. use of function
April 1, 2011

biology
A man with normal color vision marries a woman who is colorblind. What percentage of their sons would be colorblind, what percentage of their daughters would be colorblind, what percentage of their daughters would be carriers of the colorblind gene?
March 31, 2011

physics
I'm trying to find the pressure exerted by an object that has a force of 180 newtons on an area of 10 square centimeters
March 31, 2011

US History
Question 1 (Multiple Choice Worth 1 points) Around the turn of the century, African Americans moving to cities in the North experienced substantially less racism than did African Americans in the South. more opportunities to become skilled workers than they had two decades ...
March 23, 2011

programming 2
Write a program that inputs a word representing a binary number (0s and 1s). First, your program should verify that it is indeed a binary number, that is, the number contains only 0s and 1s. if that is not the case, your program should print a message that the number is not a ...
March 22, 2011

calculus
Complete the identity. sec(x)sin(x)/tan(x) - 1 = 0
March 20, 2011

Math
What is the formula for the area of a triangle and trapezoid?
March 17, 2011

math
What are the first and third quartiles of the box and whisker plot above? 0 15 110 225
March 13, 2011

Statistics
What type of data must you collect to conduct a t-test, why?
March 11, 2011

Statistics
1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bell-shaped. c. If a population has a normal distribution, the mean and the median are not equal. d. The graph of a ...
March 11, 2011

English 2
Republicans favor business. Teenagers are seeking their own identities. Top students work hard. But I don't like where I can go with any of them, and I can't think of anything more!
March 11, 2011

English 2
Need help with this-- "In this exercise you'll write an essay supporting a generalization you've stated about some topic." Any ideas for generalizations?
March 11, 2011

english
All I see is that you need a comma after "your agent."
February 24, 2011

Math
Thanks
February 24, 2011

social studies
Mercenary
February 24, 2011

Algebra
The $75 cost for a party was to be shared equally by all of those attending. Since five more people attended than was expected, the price per person dropped by 50 cents. How many people attended the party?
February 21, 2011

pre-algebra
the length of a rectangle is 10 inches more than its width. what are the dimensions of the rectangle if its perimeter is 80 inches?
February 11, 2011

Chemistry 125
What is the maximum mass of water that can be released by heating a 6.895 g sample of nickel(II) sulfate heptahydrate?
February 10, 2011

Physics
1) Charges of +4uC and -6uC are placed at two corners of an equilateral triangle with sides of 0.10m. At the third corner, what is the electric field magnitude created by these two charges? A]4.5 x 10e6 N/C B]3.1 x 10e6 N/C C]1.6 x 10e6 D]4.8 x 10e6 2)A +2.0 nC pont ahrge ...
February 3, 2011

math
All 26 letters of the alphabet are written on cards and shuffled. If one card is pulled out randomly, find the probability. (note Y is not considered a vowel for these problems) P(A or Z) =
February 2, 2011

algebra II
factor completely: 8h^3-125
January 29, 2011

AP Chem
For the system CO(g) + H2O(g)<-->CO2(g) + H2(g) Kp is 1.6 at 900 K. If 0.400 atm CO(g) and 0.400 atm H2O(g) are combined in a sealed flask, what is the equilibrium partial pressure of CO2(g)?
January 23, 2011

Physics
1. Could a horizontal axis of rotation be used satisfactorily in an experiment uniform circular motion? Explain
January 16, 2011

Physics
508.4 N [2(2.0m)/6.2m]x788.0N
January 16, 2011

Chemistry
Chemical equation of: 1.Digesting of food 2.Fermentation of Wine 3.Burning of fuel
January 13, 2011

Algebra
This question is unsolvable.
January 12, 2011

Math need help now!!!!!
We perform the experiment "deal a five card poker hand". What is the probability that you are dealt a hand that contains the Ace, Two, Three, and Four of Diamonds? Question 22 answers 4 / 2,598,960 48 / 2,598,960 1 / 2,598,960 1 / 52
January 12, 2011

Chemistry
How to find the marked volume in graduated cylinder?
January 9, 2011

Chemistry
when the beaker has rated capacity of 10 ml, does it mean that it has to be filled to the brim?
January 9, 2011

Math
If you toss a pair of dice 1,000 times, how many times would you expect to get a sum of 12 as the result? 1.)about 12 times 2.)about 27 times 3.)about 36 times 4.)about 100 times The lesson doesn't show me how to work this. Whats the formula?
January 7, 2011

American Government
Which of the following is NOT a key role of the President? to decide if laws are unconstitutional perform many ceremonial duties command all military offices during both peace time and during war responsible for executing the nation's laws I Think it's 3 or 4 not sure ...
January 5, 2011

American Government
Thanks!
January 5, 2011

American Government
Committees made up of members from both the House of Representatives and the Senate are called Question 18 answers 1.)standing committees. 2.)select committees. 3.)subcommittees. 4.)joint committees. I think it's either 2 or 4 not sure please help!
January 5, 2011

Math 157
no the girls can be arranged 9 different ways and the boys can be arranged 49 different ways
January 5, 2011

Math
2x - y = 4 6x - 3y = 7 (a) y = 2x - 4 (b)No solution (c)x = 2, y = -4 (d)x = 2, y = 5/3
January 3, 2011

Math
Solve each of these systems using the substitution method. Make sure to check your answers ! 2x + 3y = -4 x - 2y = 5 Question 1 answers x = 1, y = -2 x = -1, y = 2 x = 1, y = 2 x = -2, y = -1
January 3, 2011

science
what are 3 examples of selective breeding in plants
December 21, 2010

Math
m+8+2+n
December 20, 2010

Math
Simplify each expression. You may use the properties to help. When you type your answer, do not space between numbers and symbols. (4a)(5b)(6c)?
December 16, 2010

3rd grade math II
HOW CAN EXPLAIN WHY 975-492 = 583 IS REASONABLE ?
December 14, 2010

Physics
a person fires a rifle at a arget. the bullet leaces the rifle at 460 m/s and the person hears the bullet strike the target 2.00 seconds after firing it. the air temperature is 25.o celcius. what is the distance to the target?
December 12, 2010

Physics
a person fires a rifle at a arget. the bullet leaces the rifle at 460 m/s and the person hears the bullet strike the target 2.00 seconds after firing it. the air temperature is 25.o celcius. what is the distance to the target?
December 12, 2010

physics
what equation would you use if you wanted to find the net x-direction force on the box example: here is the problem... A box of mass 24.0 kg is subject to an applied force of 245 N with a depression angle of 31.2°, and it accelerates to the right. The horizontal surface ...
December 5, 2010

Pjysics Help!!!
An organ pipe is open at one end and has a length of 3 m. What is its fundamental frequency if the speed of sound is 336 m/s?
December 1, 2010

Math
Use the Gauss-Jordan method to solve the equation: 3x-5y-2z=-9 -4x+3y+z=11 8x-5y+4z=6
November 24, 2010

Science
sugar is a covalent compound
November 16, 2010

math
would the long side be 36 in?
November 16, 2010

math
Herman is making a small triangular table. If two of the sides will measure about 25 inches each, how many inches should the longest side (c) measure? Use the appropriate formula and round your answer to the nearest tenth. I don't know how to do this cuz it doesn't ...
November 16, 2010

Economics
Hi guys, I'm having a lot of trouble with this question. Maybe I should have paid attention more, too late now though. If anyone could help or point me out in the right direction, I'd really appreciate it! Thank you. Here is what the paper says "Your assignment is...
November 15, 2010

AP Chemistry
What is the equation for the standard enthalpy of formation for magnesium nitrate?
November 14, 2010

Physics
The answer is wrong. What did u get?
November 13, 2010

Physics
A 2.30 102 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 21.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 7.00 m. (a) Find the work done by the pulling ...
November 13, 2010

chemistry
which of the following would form acidic,basic or neutral solutions:nh4f,nh4cn,nh4ch3coo,nh4cl,ba(ch3coo)2,nacn,caso4,cr(no3)3,fecl3,na2co3
November 11, 2010

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