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April 19, 2014

Homework Help: College

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College Algebra
Try PsyDAG's answer.
Friday, October 4, 2013 at 1:01pm

College Algebra
I tried that answer and it didn't work, the question wants the dimensions of the corral: length and width.
Friday, October 4, 2013 at 1:00pm

College Algebra
The largest area would be closest to a square. Divide 1932 by 4.
Friday, October 4, 2013 at 12:58pm

College Algebra
Didn't you read my answer to your question? http://www.jiskha.com/display.cgi?id=138​0904270
Friday, October 4, 2013 at 12:57pm

College Algebra
A rancher wishes to enclose a rectangular partitioned corral with 1932 feet of fencing. What dimensions of the corral would enclose the largest possible area? Find the maxium area.
Friday, October 4, 2013 at 12:54pm

algebra 1
You work in the local mailroom at a college. One of your duties is to sort local mail from all of the other mail. You can sort 8 pieces of mail in 10 seconds. How many pieces of mail should you be able to sort in 45 minuets?
Thursday, October 3, 2013 at 11:56pm

Algebra 1
You work in the local mailroom at a college. One of your duties is to sort local mail from all of the other mail. You can sort 8 pieces of mail in 10 seconds. How many pieces of mail should you be able to sort in 45 minuets?
Thursday, October 3, 2013 at 9:38pm

College Chem II
.0032
Wednesday, October 2, 2013 at 9:30pm

College Statistics
According to the experian automotive, 35% of all car owning households have three or more cars. In a random sample 20 car owning households, what is the probability that exactly 6 have three or more cars?
Tuesday, October 1, 2013 at 11:30pm

college physics
A 4.8-g bullet leaves the muzzle of a rifle with a speed of 324 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.75-m-long barrel of the rifle?
Tuesday, October 1, 2013 at 10:20pm

College Statistics
Suppose we want to model the number of rats captured in a single trap in a day, where the average number caught is 5 (i.e. X ∼ Poi(5)). (a) What is the probability of catching 6 rats in one trap in a day? (b) What is the probability of catching 12 rats in 2 traps in a ...
Monday, September 30, 2013 at 9:09pm

College Statistics
For X ∼ Bin(n, p), show that E(X) = np and Var(X) = np(1 − p) Our book defines this as true, but I don't know how to actually prove it.
Monday, September 30, 2013 at 9:07pm

college math
.00001 - .0001 10^-5 - 10^-4 -9x10^-5 ___ -.00009
Monday, September 30, 2013 at 1:24pm

college math
1/100000-1/10000
Monday, September 30, 2013 at 7:51am

Math (College Pre-Cal)
xm * 100cm/m * 1in/2.54cm * 1ft/12in * 1mi/5280ft = 125x/201168 mi
Sunday, September 29, 2013 at 11:13pm

Math (College Pre-Cal)
The exact conversion between the English measurement system and the metric system is given by the equation 1 inch= 2.54 cm. Let f(x) be the number of miles in x meters. Find a formula for f(x). Give an exact answer.
Sunday, September 29, 2013 at 11:06pm

college physics
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 6.4N ; a second force has a magnitude of 5.0N and points in the negative y direction.
Sunday, September 29, 2013 at 10:24pm

english
When I called the college, they said they were still accepting applications.
Sunday, September 29, 2013 at 7:45pm

Wayne community college
Yes
Sunday, September 29, 2013 at 7:21pm

algebra
Kelly plans to put her graduation money into an account and leave it there for 4 years while she goes to college. She receives $750 in graduation money that she puts it into an account that earns 4.25% interest compounded semi-annually. How much will be in Kellys account at ...
Sunday, September 29, 2013 at 6:53pm

Wayne community college
When a 0.101 kg mass is suspended at rest from a certain spring, the spring stretches 3.80 cm. Find the instantaneous acceleration of the mass when it is raised 5.90 cm, compressing the spring 2.10 cm.
Sunday, September 29, 2013 at 6:20pm

statistics,math
Pearson would use two variables to find their relationship, like height and weight. Choose your own behavioral variables. Chi square would use categories, like college majors of graduates by gender. Choose your own behavioral variables.
Sunday, September 29, 2013 at 1:38pm

college physics
Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one proton on the other. (...
Saturday, September 28, 2013 at 3:59am

statistics
The typical amount of sleep per night for undergraduate college students has a bell shaped distribution with a mean of 7 and a standard deviation of 1.90 hours. Based on this distributional information we can conclude that at least 95 % of this population sleep ...
Friday, September 27, 2013 at 5:46pm

A Curious Question
First in your second sentence you have incorporated the wrong "two" into your sentence. The correct word is "TOO". Graduating early has many advantages if you are planning on immediately going on to a college education. If this is the case, you have ...
Friday, September 27, 2013 at 5:29am

algebra
Miranda's financial aid stipulates that her tuition not exceed $1200. If college charges a $45 registration fee plus $475 per course, what is the greatest number of courses for which Miranda can register. Miranda can register for at the most ???? courses
Friday, September 27, 2013 at 2:51am

physics
Outside the battery, electrons do flow from negative (cathode) to positive (anode). Why? The chemicals attached to the anode will need (gain) electrons when the circuit is completed, those electrons then assist the chemical reaction. At the negative terminal, inside the ...
Thursday, September 26, 2013 at 11:06am

college math
A professor wants to supplement her pension with investment interest. If she invests $26,000 at 4% interest, how much more would she have to invest at 7% to achieve a goal of $2,300 per year in supplemental income?
Wednesday, September 25, 2013 at 7:16pm

PSY 102
how could I refuse? My college sweetheart was named Angie!
Wednesday, September 25, 2013 at 5:10pm

more News
often news is not news, it is, words written to elicit some response from the readers. Often news is just downright lies. Remember the weapons of mass destruction in Iraq? When you get to college, you might investigate why was that information released to the press? Why was it...
Tuesday, September 24, 2013 at 3:29pm

College Algebra
What is the domain of y=(x-2x+5)
Monday, September 23, 2013 at 5:58pm

English
What's a good introduction for an essay about Pressure that Working College Students Face? please help (:
Monday, September 23, 2013 at 3:44pm

Florida career college
ahh. 20,000/368
Monday, September 23, 2013 at 1:09pm

Florida career college
The medical practice uses 48-inch-wide shelving units, which hold 46 inches of files per shelf. There are eight shelves. This means each unit can hold 8x46 inches = 368 inches . How many shelving units does the practice need to store its patient records?
Monday, September 23, 2013 at 8:45am

College physics
If you throw a ball horizontally while standing on a skateboard, you roll backward with a momentum that matches that of the ball. Will you roll backward if you hold onto the ball while going through the motions of throwing it? Explain in terms of momentum conservation.
Sunday, September 22, 2013 at 10:07pm

history/politics
got it! thanks Ms. Sue.. I slept on this stuff in high school.. Now that I'm in college, I'm highly fascinated! :)
Sunday, September 22, 2013 at 9:00pm

college math
0.14
Sunday, September 22, 2013 at 7:33pm

college physics
a) Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one proton on the other. (...
Sunday, September 22, 2013 at 5:47pm

college essay
take your name off anonymous and try to talk to me again... seriously get a life
Sunday, September 22, 2013 at 12:20pm

college physics
Example 2.2: Electric Field on the Axis of a Rod (page 2-17) http://web.mit.edu/viz/EM/visualizations​/coursenotes/modules/guide02.pdf
Saturday, September 21, 2013 at 5:38pm

college physics
F=k•q₁•q₂/r² k =9•10⁹ N•m²/C² e =1.6•10⁻¹⁹ C. F=k•e²/r²= =9•10⁹•(1.6•10̿​5;¹⁹)²/(0.542•10​315;¹⁰)² = =7.84&#...
Saturday, September 21, 2013 at 5:25pm

college
capitalism
Saturday, September 21, 2013 at 4:51pm

college
capitalism
Saturday, September 21, 2013 at 4:51pm

history
I've been living for 15 years in a perfect background and a good education. All the kids that live around me have the same advantages. Another reason I'm optimistic is that although my parents are college graduates, they've found jobs to make an living. Our family ...
Saturday, September 21, 2013 at 1:11pm

history
Im living for 15 years in perfect background and with a good education and so are all the kids that live around me. Another reason my parents aren't college graduates and they've found jobs to make an affordable living with everything needed for themselves,for me,and ...
Saturday, September 21, 2013 at 11:59am

history
im living for 15 years in pefect background with a good education and so are all the kids that liv around me also that my parents arent college graduates and theyve found jobs to make a affordable living with everything needed and to plan vacations and their son is going to ...
Saturday, September 21, 2013 at 11:39am

college physics
A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C
Saturday, September 21, 2013 at 2:43am

college physics
In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is approximately 0.542 multiplied by 10-10 m. (The actual value is 0.529 multiplied by 10-10 m.) (a) Find the electric force exerted on each particle, ...
Saturday, September 21, 2013 at 2:43am

college physics
(a) Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one proton on the other. (...
Saturday, September 21, 2013 at 2:42am

Math (College Level Mathematics)
Fourier sin series for f(x) = 1, 0 < x < Pie is given by 1 = 4/n E 1/ (2n-1) times sin (2n-1) x, (0 < x < n). Using this, find the Fourier sinc series for f(x)= 1, on 0 < x < c where c > 0. Then find the Fourier series for g(x), x > 0 where g(x) = 1, 0...
Saturday, September 21, 2013 at 1:17am

Math (College Level Mathematics)
Fourier cosine series correspondence for f(x)= x, o < x < pie given by x ~ pie / 2 - 4/n, E infinity on top and n=1 on bottom. cos (an-1)/x / (2n-1)squared, (0 < x < Pie). Explain why this correspondence is actually an equality for 0 is less than or equal to x and...
Saturday, September 21, 2013 at 1:08am

Math (College Level Mathematics)
Let c > 0 be a constant. For F E Cp (-C, C), the Bessel inequality is ao squared/ 2 + N E n = 1 (an squared + bn squared) is less than or equal to 1/C { c on top, c on bottom [ f (x)] squared of x, N = 1, 2, ... Where an and bn are the Fourier coefficients for f (x), -c <...
Friday, September 20, 2013 at 10:54pm

College Physics 1
A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 6.17 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of 25° when they move past the window, as the ...
Friday, September 20, 2013 at 4:39pm

College Algebra
10.95x < 38.5 x < 38.5 / 10.95 x < 3.5 = 3 hours That's the only answer that makes sense. At about $11 an hour, the edger can only be rented for 3 hours.
Thursday, September 19, 2013 at 4:42pm

chemistry
How many grams of O2(g) are needed to completely burn 24.0 g of C3H8(g)?
Thursday, September 19, 2013 at 3:58pm

chemistry
How do you get a ratio?
Thursday, September 19, 2013 at 3:52pm

chemistry
How many grams of Cl are in 525 g of CaCl2?
Thursday, September 19, 2013 at 3:42pm

chemistry
Complete combustion of 4.80 g of a hydrocarbon produced 15.6 g of CO2 and 4.80 g of H2O. What is the empirical formula for the hydrocarbon?
Thursday, September 19, 2013 at 2:11pm

College Algebra
We tried that but was told that it was wrong.
Wednesday, September 18, 2013 at 5:46pm

College Algebra
16.50 + 10.95x < 55 Solve for x.
Wednesday, September 18, 2013 at 11:11am

College Algebra
Need help in working this problem - the cost of renting an edger is $16.50 for the first hour and $10.95 for each additional hour. How long can a person have the edger if the cost must be less than $55.00? (This is a question under the inequalities section)
Wednesday, September 18, 2013 at 8:35am

college physics
A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C toward the rod away from the rod
Wednesday, September 18, 2013 at 4:14am

college physics
In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is approximately 0.542 multiplied by 10-10 m. (The actual value is 0.529 multiplied by 10-10 m.) (a) Find the electric force exerted on each particle, ...
Wednesday, September 18, 2013 at 4:13am

college physics
(a) Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one proton on the other. (...
Wednesday, September 18, 2013 at 4:13am

Math (College Pre-Cal)
I will assume that you meant f(x) = (x+7)/(x-13) and g(x) = 1/(x+1) Those brackets are very critical in this text format. f o g = f( g(x) ) = (1/(x+1) + 7)/(1/(x+1) - 13) multiply top and bottom by x+1 = (1 + 7(x+1))/)1 - 13(x+1) ) = (7x + 8)/(-13x - 12) or -(7x+8)/(13x - 12) ...
Wednesday, September 18, 2013 at 12:31am

Math (College Pre-Cal)
For given functions f and g find formulas for a)f o g and b)g o f. Simplify results as much as possible. f(x)= x+7/x-13 , g(x)= 1/x+1
Tuesday, September 17, 2013 at 11:42pm

Physics 2 College Level
A cylinder is closed at both ends and has insulating walls. It is divided into two compartments by an insulating piston that is perpendicular to the axis of the cylinder as shown in Figure a. Each compartment contains 1.00 mol of oxygen that behaves as an ideal gas with γ...
Tuesday, September 17, 2013 at 11:14pm

College Physics
How much would you have to raise the temperature of a copper wire (originally at 20 ∘ C) to increase its resistance by 30% ?
Tuesday, September 17, 2013 at 8:56pm

college math
I need help to convert the number 12,663 to base 13 And convert the number 15,257 to base 13 liberal arts class
Tuesday, September 17, 2013 at 8:48pm

MGT 496 Research Project I
You may have to search and research, but once you learn some good sources and methods, you should have success. In addition to searching on the Internet, you also need to make best friends with the reference librarian(s) in your local or college library. Libraries these days ...
Tuesday, September 17, 2013 at 2:52pm

law
If you are in college go to the university library and ask a reference librarian. They are wonderful ad will teach you how to do research correctly. In the mean time, go to Google Scholar and type in Miranda Rights in the first field and supreme court in the second field. ...
Tuesday, September 17, 2013 at 1:09pm

College Physics 1
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe, starting from rest, takes...
Tuesday, September 17, 2013 at 12:46pm

College Algebre
f(x+h) = -3(x+h)^2 + 5(x+h) - 2 = -3x^2 - 6xh - 3h^2 + 5x + 5h - 2 f(x+h)/h = (-3x^2 - 6xh - 3h^2 + 5x + 5h - 2 + 3x^2 - 5x + 2)/h = (-6xh - 3h^2 + 5h)/h = -h(6x + 3h - 5)/h = -6x - 3h + 5
Monday, September 16, 2013 at 5:15pm

College Algebre
f(x)= -3x^2+5x-2 Find f(x+h)/h
Monday, September 16, 2013 at 4:07pm

choice
Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a discount rate of ...
Monday, September 16, 2013 at 3:17pm

college chemistry
Lol
Monday, September 16, 2013 at 2:49pm

College Physics
vector A has a magnitude of 29 units when B is added to A . find magnitude of B.
Monday, September 16, 2013 at 11:45am

college physics
63.36g
Monday, September 16, 2013 at 11:22am

college essay
something beautiful
Sunday, September 15, 2013 at 10:00pm

College Pre-Algegra
1 7/2 divided by 7 11/12 =
Sunday, September 15, 2013 at 9:14pm

college
$2,400,000
Sunday, September 15, 2013 at 7:40pm

For Loli - persuasion
You posted these, and I agree with you on both: for the claims i would say "our mission aims to help students develop tools in life." "they see gains in"both their oral and written communication." reading persuasive letter - loli, Sunday, September 15...
Sunday, September 15, 2013 at 1:44pm

reading persuasive letter
so the rebuttal is "all printed papers(at all levels albeit college or nationally syndicated) have now transitioned to e-newspaper formats to meet their clientele where they are on the web. we have half the battle done with our new online format. we now need the committed...
Sunday, September 15, 2013 at 10:40am

reading persuasive letter
much research has been done recently on how newspaper are becoming obsolete. the techdirt website questions whether or not it is worth it for high school to even publish newspapers since individual students can put up their own content at will on blogs, websites, and facebook ...
Saturday, September 14, 2013 at 8:02pm

reading persuasive letter
in the face of the hefty budget cuts you are probably wondering why i would choose this time to advocate for the offering of yet another elective class. the possibly of Parkdale losing staff members is a real one and we are already stretched too thinly as it is. i honestly ...
Saturday, September 14, 2013 at 7:15pm

college physics
http://www.physics.drexel.edu/~wking/cou​rses/phys102_s08/notes/rec1_sols.pdf
Saturday, September 14, 2013 at 6:33pm

college math
No. I used your answer and showed that no matter what x,z,w are, the expression you got will work for y. We eliminated x, remember?
Saturday, September 14, 2013 at 3:54pm

college math
so are you saying that "x" is 15?
Saturday, September 14, 2013 at 3:08pm

college math
oh, well, if that's the kind of solution you want, then it's ok. Eliminating x, I get 5x+y+z+w = -5 5x-10y+10z-15w = -20 11y-9z+16w = 15 so your answer looks good to me.
Saturday, September 14, 2013 at 2:43pm

college math
I need more than that. What are the values of "x" I worked out the values of "y" to be: y = (15/11) + (9/11z) - (16/11w), but I could be wrong
Saturday, September 14, 2013 at 2:40pm

College Algebra
Express 0.000093 in scientific notation. Can anyone help?
Saturday, September 14, 2013 at 2:33pm

college math
2 equations 4 unknowns no single solution.
Saturday, September 14, 2013 at 2:29pm

college math
system of equations: solve the following system of operations using matrices (row operations) {5x + y + z + w = -5} {x - 2y + 2z -3w = -4}
Saturday, September 14, 2013 at 2:28pm

Radius Question Geometry(college level)
I solved it. the length of segment CD with by 20 cm. Thank you
Saturday, September 14, 2013 at 9:05am

Radius Question Geometry(college level)
There are 3 separate circles, there is a chord drawn through the center of each circle, the point of tangency is on the third circle. So i drew a line perpendicular from the radius of 10 in the third circle to the point of tangency. This is the entire question(Each of the ...
Saturday, September 14, 2013 at 8:51am

Radius Question Geometry(college level)
I'm not sure if there is a given figure for this problem, but if the three separate circles are tangent with the other with their centers aligned (or can be connected by a straight line), then yes, you get 60 cm for the diameter of the new, bigger circle which ...
Saturday, September 14, 2013 at 8:40am

Radius Question Geometry(college level)
When you have 3 separate circles and the radius of each of those circles is 10 do i calculate like this? 2(10)+2(10)+2(10)=60 cm for my diameter
Saturday, September 14, 2013 at 8:21am

College Algebra
Find x, the distance in miles, such that: 21 + 0.19 x > 29 + 0.17 x
Saturday, September 14, 2013 at 4:52am

College Algebra
A couple wants to rent a car for one day while on vacation. Frank's Automotive Rental wants $29 a day and $0.17 per mile, while Coups-For--Day wants $21 a day and $0.19 per mile . After how many miles wo9uld the price from Coups exceed the price to rent from Franks?
Saturday, September 14, 2013 at 12:17am

college physics
Nobel laureate Richard Feynman (1918-1988) once said that if two persons stood at arm's length from each other and each person had 1% more electrons than protons, the force of repulsion between them would be enough to lift a "weight" equal to that of the entire ...
Friday, September 13, 2013 at 11:52pm

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