Monday
July 28, 2014

Posts by andrew


Total # Posts: 964

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

STATS
.6

pre algabra
write 20h/24h in its simplest form

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 ...

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...

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?

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

American Democracy
What is Devolution

Engineering Dyanamics
post an answer.

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 ...

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

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

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

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?

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

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 ...

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

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...

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?

Spelling
homesick

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

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

math
What is more? 3 quarts of juice or 10 cups of juice?

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.

science
What do kids do on Make a Difference DAY?IS IT A POPULAR HOLIDAY?

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.

math
someone please help me!!! and fully explain!!! =0

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.

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

Math
21 3/5

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.

social studies
Why do people need government?

Science
no

Science
Where can I find AP Environmental Science old AP exams? I need to study.

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

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

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 returnin...

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 volu...

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

math/physics
if dx/dt = 0 then y should also be zero

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?

munir
its bit of maths and physics. ms .sue. use of function

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?

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

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 ear...

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 ...

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

Math
What is the formula for the area of a triangle and trapezoid?

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

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

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 norm...

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!

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?

english
All I see is that you need a comma after "your agent."

Math
Thanks

social studies
Mercenary

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?

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?

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?

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 ispl...

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) =

Business Communication
which of the following is not true of gatekeepers?

algebra II
factor completely: 8h^3-125

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)?

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

Physics
508.4 N [2(2.0m)/6.2m]x788.0N

Chemistry
Chemical equation of: 1.Digesting of food 2.Fermentation of Wine 3.Burning of fuel

Algebra
This question is unsolvable.

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

Chemistry
How to find the marked volume in graduated cylinder?

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

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?

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 ...

American Government
Thanks!

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!

Math 157
no the girls can be arranged 9 different ways and the boys can be arranged 49 different ways

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

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

science
what are 3 examples of selective breeding in plants

Math
m+8+2+n

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)?

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

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?

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?

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 ha...

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?

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

Science
sugar is a covalent compound

math
would the long side be 36 in?

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 te...

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...

AP Chemistry
What is the equation for the standard enthalpy of formation for magnesium nitrate?

Physics
The answer is wrong. What did u get?

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 fo...

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

Physics
2. A person exerts a perpendicular force of 75 N on a door. Calculate the torque on the door hinges if the force is applied a distance of 30 cm, 50 cm, and 75 cm from the hinge.

American Government
Haha never thought of it that way! Thanks!

American Government
Is this statement true: The Secretary of Defense could never become President.

Integrated math
A meteorologist tracked the increase and decrease of rain totals in inches from the previous year. This is the data for the following 4 months: January -1.34, February +2.68, March + 1.79, April -0.87. Estimate the change from the previous year by adding the totals rounded to...

CHEM. help please
2 H2O (l) → 2 H2 (g) + O2 (g) 1. Without doing any calculations, which side will enthalpy favor in this reaction? Entropy? 2. What volume of water in gallons would need to be split to store the same amount of energy as found in 10.0 gallons of gasoline? (Gasoline contain...

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