Monday

May 2, 2016
**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 by Janet*

**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 by Janet*

**college math**

1/100000-1/10000
*Monday, September 30, 2013 by Tekishia*

**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 by anonymous*

**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 by taylor*

**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 by joe*

**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 by Joe*

**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 by physics*

**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 by jennifer*

**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 by John*

**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 by tillman*

**English **

What's a good introduction for an essay about Pressure that Working College Students Face? please help (:
*Monday, September 23, 2013 by Blanca*

**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 by Wava *

**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 by Miss Angie*

**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 by vishal*

**college physics**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. 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 by vishal*

**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 by vishal*

**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 by vishal*

**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 by Joy*

**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 by Joy*

** 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 by Joy*

**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 by Autianna*

**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 by Debo*

**college physics**

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 ÂµC. 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 by suhani*

**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 by suhani*

**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 by suhani*

**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 by Brenda *

**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 by Sarah*

**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 by TaNay*

**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 by Sara*

**College Algebre**

f(x)= -3x^2+5x-2 Find f(x+h)/h
*Monday, September 16, 2013 by Sam*

**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 by d*

**College Physics**

vector A has a magnitude of 29 units when B is added to A . find magnitude of B.
*Monday, September 16, 2013 by Anonymous*

**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 by Cece*

**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 by luckybee*

**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 by Joyce *

**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 by suhani*

**College algebra**

Allison drove home at 58 mph, but her brother Austin, who left at the same time, could drive at only 40 mph. When Allison arrived, Austin still had 108 miles to go. How far did Allison drive?
*Friday, September 13, 2013 by Nic*

**college algebra**

Find the intercepts of the function f(x). f(x) = (x - 2)2(x2 - 9)
*Thursday, September 12, 2013 by martha*

**college algebra**

Please help. Merina is moving out of her mom's house to her new house which is 14 miles away to reach her new house. Truck A offers a flat fee of $25 and $.40 per mile. What is the proper equation to solve the problem.
*Thursday, September 12, 2013 by Nima*

**College Math**

A plane flies 460 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in calm air?
*Tuesday, September 10, 2013 by G*

**college physics1**

A stone is dropped from rest from an infinitely tall building. Compute its velocity after 2 seconds
*Tuesday, September 10, 2013 by jenny*

**college algebra**

The county news earns a profit of $20 per year for each of its 3000 subscribers. Management projects that the profit per subscriber would increase by $0.01 for each additional subscriber over the current 3,000. How many subscribers are needed to bring a total profit of $113,100?
*Tuesday, September 10, 2013 by Dee*

**college algebra**

Scott and Laura have both invested some money. Scott invested $2500 more than Laura and at a 3% higher interest rate. If Scott received $900 annual interest and Laura received $450, how much did Scott invest?
*Tuesday, September 10, 2013 by Dee*

**College Algebra**

If a ball dropped from the top of a 400 ft building to hit the ground, how long would it take in seconds?
*Sunday, September 8, 2013 by Robert*

**college math**

I need help to simplify (-9)(-7) + 6?
*Sunday, September 8, 2013 by Elaine*

**college math**

Please simplify 100(-5)/25. Thanks a lot.
*Sunday, September 8, 2013 by Missy*

**college math**

simplify -10 -5
*Sunday, September 8, 2013 by Teddy*

**college algebra**

a large rectangular movie screen in an IMAX theater has an area of 8624 square feet. Find the dimensions of the screen if it is 10 feet longer than it is wide.
*Sunday, September 8, 2013 by Dee*

**college essay**

Im writing a college essay and Im not sure how to edit the first paragraph My existence thus far has been a musical performance. The world is my stage, the platform on which I can express myself creatively. My life is the reputable melody that I play from my guitar, and the ...
*Saturday, September 7, 2013 by chhristine*

**algebra 1**

A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking ...
*Friday, September 6, 2013 by sabina brown *

**SS**

Kevin decides to go straight to work after high school instead of college. What is the most likely long term consequence of this decision? a)changing jobs often b)making less money c)having lots of debt d)not finding work Is it b?
*Thursday, September 5, 2013 by Anonymous*

**college physics**

A sprinter can reach a speed of 9.0 m/s in 1.0 s. If the sprinter’s acceleration is constant during that time, what is the sprinter’s acceleration?
*Thursday, September 5, 2013 by Lucy*

**college algebra**

Find all real solutions of the equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.) x4 + 27x = 0
*Thursday, September 5, 2013 by tara*

**College Geometry**

In this assignment, you examine a process that links polygons and circles. You will reach some quantitative conclusions about their respective areas and the relationship between the two. As you know, a regular polygon has sides of equal length and angles that are the same. ...
*Tuesday, September 3, 2013 by Lisa*

**College Physics II**

A steel wire and a copper wire, each of diameter 2.000 mm, are joined end to end. At 48.0°C, each has an unstretched length of 2.000 m. The wires are connected between two fixed supports 4.000 m apart on a tabletop. The steel wire extends from x = −2.000 m to x = 0, ...
*Tuesday, September 3, 2013 by Andrew*

**College chemistry math ratio problem**

Earlier you determined that the proper ratio of packages of buns, packages of patties, and jars of pickles is 3:2:4. If you want to feed at least 540 people, but also maintain the proper ratio, what minimum number of packages of buns, packages of patties, and jars of pickles ...
*Monday, September 2, 2013 by Jessica*

**College**

How can I earn a fullride scholarship?
*Sunday, September 1, 2013 by Anonymous*

** college algebra**

How many feet does a wheel with a diameter of 20 inches travel after five revolutions?
*Sunday, September 1, 2013 by eula*

**Information Literacy **

Scholarly journal articles are written by A: professional writers B: lower division college students C: experts in a subject field D: reporters
*Saturday, August 31, 2013 by Kacy*

**STATS**

A researcher conducted a survey on a sample of 2000 college-students in order to examine the relationship between academic achievement and procrastination of studying. Using several indicators and plots of the descriptive statistics, found that in the data were many outlier ...
*Friday, August 30, 2013 by Susie*

**psych/600**

can anyone help me with the course for Axia college University of Phoenix
*Thursday, August 29, 2013 by bejeweled*

**REC120**

Khaldun's hierarchy of desires theory, what element is found at the pinnacle of the pyramid? Desires related to spirituality or Desires related to leisure or Desires for affiliation or Desire for safety or Desire to meet bodily appetites I think it is related to leisure ...
*Thursday, August 29, 2013 by Jazmyne*

**College Physics II (Calc-Based)**

In state-of-the-art vacuum systems, pressures as low as 1.00 x 10^-9 Pa are being attained. Calculate the number of molecules in a 1.90-m^3 vessel at this pressure and a temperature of 35.0°C. Okay. So I know I have to use the Ideal Gas Law, PV = nRT, I then transformed it...
*Thursday, August 29, 2013 by Andrew*

**college algebra**

how to solve this x^2-14+49=16
*Thursday, August 29, 2013 by jordan*

**Statistics**

linear correlation between the number of years in college versus average pay. average pay= 1,000 + 15,000x where x is the number of years in college. What would your average pay be if you were in college 2 years based on the model?
*Wednesday, August 28, 2013 by Mary*

**Statistics**

linear correlation between the number of years in college versus average pay. average pay= 1,000 + 15,000x where x is the number of years in college. What would your average pay be if you were in college 2 years based on the model?
*Wednesday, August 28, 2013 by Mary*

**math**

The heights of the five starters of a college basketball team are 6'6, 6'7, 6'9, 6'11 and 7'. What it the mean height of these players , in inches?
*Sunday, August 25, 2013 by JJ*

**College Algebra**

I have no idea how to do this, and nobody in my family knows how to either. I have to determine the domain of the following function. f(x)=5/(3x-7)
*Sunday, August 25, 2013 by Caleb*

**Math**

If each 11 football teams In a college athletic conference played each of the other teams just once in a season, how many games would there be? As part of your answer, make a table. How many games would there be for 12 teams?
*Wednesday, August 21, 2013 by Abi*

**Math**

trying to decide between parameter and statistic for the 2 questions below. I think it is statistic for both but not sure. 1. A local newspaper conducted a survey last week. Of the 2300 subscribers, 1276 responded. Based on the survey, the editor concludes that 95% of the ...
*Wednesday, August 21, 2013 by Brandi*

**Writing SAT**

Post a New Question Current Questions Homework Help: Writing Posted by Anonymous on Tuesday, August 20, 2013 at 8:40pm. "Everything comes if a man will only wait." -Benjamin Disraeli, Tancred "Destiny is not a matter of chance, it is a matter of choice; it is ...
*Tuesday, August 20, 2013 by Anonymous*

**Writing**

"Everything comes if a man will only wait." -Benjamin Disraeli, Tancred "Destiny is not a matter of chance, it is a matter of choice; it is not a thing to be waited for, it is a thing to be achieved." William Jennings Bryan, Memoirs Assignment: Should we ...
*Tuesday, August 20, 2013 by Anonymous*

**writing**

How can I rewrite this introduction paragraph as a CONCLUSION paragraph? Tuesdays with Morrie is a very meaningful and powerful novel. In the novel the author Mitch album is recapping on the last few weeks he spent with his dear friend and college professor Morrie Schwartz who...
*Tuesday, August 20, 2013 by ELAINA*

**writing**

How do i finish this introductory paragraph? So far I have So far I have: Tuesdays with Morrie is a very meaningful and powerful novel. In the novel the author Mitch album is recapping on the last few weeks he spent with his dear friend and college professor Morrie Schwartz, ...
*Monday, August 19, 2013 by ela*

**ENGLISH**

revise the following paragraph, improving it without changing its overall meaning. pay particular attention to any subject- verb agreement errors. You ever felt sleep deprived? college students often complains that they are not getting enough sleep.
*Monday, August 19, 2013 by JOHN*

**maths**

At Baker High, 3 out of every 4 graduates go on to college . Of these 2 out of every 3 graduate from college. What percent of students graduating from Baker High will graduate from college ?
*Thursday, August 15, 2013 by Tomas*

**Lang ARts**

hat fact best explains why it is significant that Angelou's narrative is set in 1940? In 1940, the United States was not yet involved in World War II. In 1940, segregation of blacks and whites was still the norm. In 1940, most high school students did not go on to college...
*Thursday, August 15, 2013 by Jack *

**Statistics**

Use the following table to answer questions 7 and 8: This table displays results from a prospective cohort study evaluating meat intake and mortality. The table displays hazard ratios for mortality by quintile of red meat intake. Table 2. Multivariate Analysis for Red, White, ...
*Thursday, August 15, 2013 by Rupal*

**College Accounting**

A light truck is purchased on January 1 at a cost of $27,000. It is expected to serve for eight years and have a salvage value of $3,000. Calculate the depreciation expense for the first and third years of the truck's life using the following methods. If required, round ...
*Wednesday, August 14, 2013 by Mill*

**algebra for business**

As an entrepreneur, there are going to be many decisions that you need to make, such as the price to charge your customers for your goods and services. You have just graduated from college and recently opened a specialty pizza restaurant. Based on surveys conducted in your ...
*Sunday, August 11, 2013 by Amanda*

**STATISTIC**

1. I took a sample of the grade point averages for students in my class. For 25 students, the standard deviation of grade points was 0.65 and the mean was 2.89. The standard error for the sample was: (3 marks) 2. The heights (in inches) of adult males in Bhutan are believed ...
*Sunday, August 11, 2013 by CHIMI*

**grammar**

In Which oneof the following sentences is the number written correctly? A.the parcel of land was advertised as two hundred forty-three and three-quarters acres.b.the college has an,endowment of more than $187million.c.john just paid $33 thousand forhis New car.d.one hundred ...
*Thursday, August 8, 2013 by becky*

**Writing**

This time I hope I improve. Writing is a skill that must be practiced. In order to be good at writing I must read a lot, right? I won't survive in college if I am not able to write superfluos essays,right????? *Thank you,Writeacher for your patience. I know you might be ...
*Wednesday, August 7, 2013 by Anonymous*

**Writing**

Please grade, correct,and give feedbacks. Prompt: Colleges reward professors,who have significant research and teaching experience, with tenure. Once tenured, a professor holds his or her job without review and with little danger of being fired or replaced. Some people believe...
*Sunday, August 4, 2013 by Anonymous*

**Writing**

Writeacher,when is the best time for me to post this so that you are available? Prompt: New laws are being proposed that would require schools to accommodate students who wish to transfer to a different school if the school falls below a certain level on statewide standardized...
*Sunday, August 4, 2013 by Anonymous*

**college**

Regarding the punctuation of quotations, which of the following sentences is correct?
*Saturday, August 3, 2013 by ok*

**Writing**

Writeacher, I need you to tutor me on writing essays. It is really important in college and as a high schooler it is extremely important to be solid at writing. I am struggling and need tutoring. What will the first lesson be? Thank you for your help and support. Have a great ...
*Friday, August 2, 2013 by Anonymous*

**college algebra**

If 4 melons for $0.60, how much would 6 melons cost?
*Wednesday, July 31, 2013 by b1313s*

**Statistics**

A researcher surveyed college students to study their opinion about the proposed change in smoking rules. The researcher asked a group of 30 students: 12 of them supported the change, 13 of them did not, and 5 had no opinion. This is not a binomial model because... A. ...the ...
*Monday, July 29, 2013 by Will*

**College Algebra**

Solve system by method of elimination 0.07x + 0.02y =-0.07 0.08x - 0.06y = 0.07
*Wednesday, July 24, 2013 by Jack*

**stats **

I am having a bit of trouble with the top half of the questions. I have an answer below for questions 5-10, is there anyway you can check those answers and help me with the rest I am having trouble with. Thank you. 1. The area to the right of 1.93 under Student's t-curve ...
*Monday, July 22, 2013 by sandra*

**stats**

I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
*Monday, July 22, 2013 by sandra*

**finance (math)**

You think that in 15 years it will cost $214,000 to provide your child with a 4-year college education. Will you have enough if you take $75,000 today and invest it for the next 15 years at 5%?
*Monday, July 22, 2013 by zeenat*

**College Algebra**

Find the equation of the parabola y = ax2 + bx + c that passes through the points. To verify your result, use a graphing utility to plot the points and graph the parabola. (−2, −15), (−1, −4), (1/2,-10) y=?
*Sunday, July 21, 2013 by Jack*

**Statistics**

I need help with this please. It is a multiple choice question, so choose one from a,b,c please. I believe the correct is c. What do you think? Ari lives about 10 minutes away from the college to which he intend to attend a summer seminar of 10 weeks. There are two main routes...
*Saturday, July 20, 2013 by Andrew*

**Calculus**

In a study conducted by a certain country's Economic Development Board, it was found that the Lorentz curve for the distribution of income of college teachers was described by the function f(x) = 13/14x^2 + 1/14x and that of lawyers by the function g(x) = 5\7x^4 + 2/7x. (a...
*Friday, July 19, 2013 by Anonymous*

**Statistics Help !!!!**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Friday, July 19, 2013 by Tise *

**college statistics**

I am having a bit of trouble with the top half of the questions. I have an answer below for questions 5-10, is there anyway you can check those answers and help me with the rest I am having trouble with. Thank you. 1. The area to the right of 1.93 under Student's t-curve ...
*Thursday, July 18, 2013 by penelope*

**college statistics**

I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
*Thursday, July 18, 2013 by penelope*