Thursday

October 8, 2015
**college algebra**

Use a calculator to help solve the problem. The intensity I of light (in lumens) at a distance x meters below the surface is given by I = I0 k x, where I0 is the intensity at the surface and k depends on the clarity of the water. At one location in the Atlantic ...
*Monday, November 4, 2013 by Dee*

**College Algebra**

Use a calculator to help solve the problem. One isotope of holmium, 162Ho, has a half life of 22 minutes. The half-life of a second isotope, 164Ho, is 37 minutes. Starting with a sample containing equal amounts, find the ratio of the amounts of 162Ho to 164Ho after two hours...
*Monday, November 4, 2013 by Dee*

**Statistics**

The business college computing center wants to determine the proportion of business students who have laptop computers. If the proportion exceeds 35%, then the lab will scale back a proposed enlargement of its facilities. Suppose 200 business students were randomly sampled and...
*Monday, November 4, 2013 by Francheska*

**College Physics**

A uniform rod of mass M = 437.0 g and length L = 37.1 cm stands vertically on a horizontal table. It is released from rest to fall. A)Which of the following forces are acting on the rod? B)Calculate the angular speed of the rod as it makes an angle θ = 45° with ...
*Sunday, November 3, 2013 by Kimmy*

**College Physics**

A force, F = (2x + 3y) N, is applied to an object at a point whose position vector with respect to the pivot point is r = (5x + 4y + 2z) m. Calculate the torque (in units on Nm) created by the force about that pivot point.
*Sunday, November 3, 2013 by Kimmy*

**Finance**

which of the following items would a personal loan be a better option than a credit card for a college student. A. Car insurance expense B. Tuition and dorm fees C. Trips home for the holidays D. Tickets to sporting events
*Sunday, November 3, 2013 by Diana*

**College algebra**

-I need help solving this 72/(-4)+3(-4) _________ 5-(-5)
*Saturday, November 2, 2013 by angela*

**Math**

3. A study shows that 72% of graduates from local high school attended college. What fraction of the graduates attended college? A.18/25 B.17/25 C.13/25 D.1/2 E.3/8 A 6. The model below represents the equation x+4=4x+2 The first box shows one x and has four 1's then shows ...
*Saturday, November 2, 2013 by Jerald*

**Medical Billing and Coding**

This 19-year-old college student was brought tot he ER and admitted with high fever, stiff neck, chest pain, cough, and nausea. A lumbar puncture was performed, and results were positive for meningitis. Chest x-ray revealed pneumonia. Sputum clutures grew Pneumococcus. Patient...
*Friday, November 1, 2013 by Arlene*

**Statistics**

State the null hypothesis, Ho, and the alternative hypothesis, Ha, that would be used to test these claims. < ¡Ü = ¡Ù ¡Ý > (a) There is an increase in the mean difference between posttest and pretest scores. Ho: ¦Ìd 0 Ha...
*Tuesday, October 29, 2013 by Karly*

**College writing supplement edit**

can someone edit this Connecticut College is easily my prime choice, as I believe that its exemplary academic and career opportunities will not only help me advance as a student, but also as a future professional English teacher. The college one chooses has a preeminent impact...
*Monday, October 28, 2013 by chhristine*

**Math**

At Strawberry State College, the ratio of females to males is 2:1. If there are 2400 students, how many are female and how many are male?
*Monday, October 28, 2013 by Mary*

**Statistics**

A city ballot includes a local initiative that would legalize gambling. The issue is hotly contested, and two groups decide to conduct polls to predict the outcome. The local newspaper finds that 53% of 1200 randomly selected voters plan to vote "yes," while a ...
*Monday, October 28, 2013 by Jeffrey*

**College Algebra**

A bank credit card charges interest at the rate of 23% per year, compounded monthly. If a senior in college charges $1,700 to pay for college expenses, and intends to pay it in one year, what will she have to pay?
*Monday, October 28, 2013 by Dee*

**Statistics**

A city ballot includes a local initiative that would legalize gambling. The issue is hotly contested, and two groups decide to conduct polls to predict the outcome. The local newspaper finds that 53% of 1200 randomly selected voters plan to vote "yes," while a ...
*Sunday, October 27, 2013 by Jeffrey*

**finacne**

cYou 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%? d. If you can earn 5%, how much will you have to save each year if you want to ...
*Sunday, October 27, 2013 by shelly*

**Statistics Math**

1. What type of car is more popular among college students, American or foreign? One hundred fifty-nine college students were randomly sampled and each was asked which type of car he or she prefers. A computer package was used to generate the printout below for the proportion ...
*Sunday, October 27, 2013 by Michael*

**Finance**

the cost in 15 years is 214,000 to provide a college education. Can I have enough to take $75,000 today and invest it for the next 15 years at 5%?
*Sunday, October 27, 2013 by Carolyn*

**QUESTION **

Is AP Psychology and introduction to psychology (college course) the same?
*Saturday, October 26, 2013 by Laruen *

**College Physics **

A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is undeflected. kV/m
*Friday, October 25, 2013 by Suhani*

**College Physics **

A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field.
*Friday, October 25, 2013 by Suhani*

**math**

You think that in 15 years it will cost $212,000 to provide your child with a 4 year college education. Will you have enough if you take $70,000 today and invest it for the next 15 years at 5%?
*Friday, October 25, 2013 by malikah*

**college**

A gas containing both hydrogen molecules (each molecule contains two hydrogen atoms) and helium atoms has a temperature of 300 K. How does the average speed of the hydrogen molecules compare to the helium atoms?
*Friday, October 25, 2013 by Anonymous*

**business math**

Sam Long anticipates he will need approximately $225,000 in 15 years to cover his 3-year-old daughter’s college bills for a 4-year degree.How much would he have to invest today at an interest rate of 8 percent compounded semiannually?
*Friday, October 25, 2013 by martha*

**college physics**

My previous question was marked science, but it's specifically a college physics question. Thanks.
*Friday, October 25, 2013 by bbragg*

**college macroeconomics**

Suppose there is a temporary but significant increase in oil prices in an economy with an upward-sloping Short-Run Aggregate Supply (SRAS) curve. If policymakers wish to prevent the equilibrium price level from changing in response to the oil price increase, should they ...
*Thursday, October 24, 2013 by jen*

**Personal finance**

Josh has decided to take a course at the local community college that could help him get a promotion at work. The course begins at 5pm and goes until 9pm on monday nights. Josh normally works until 5pm each day, but because of the drive time he will leave work at 3pm on class ...
*Thursday, October 24, 2013 by Michelle*

**personal finance**

which of the following is a credit management decision? a. Purchasing a used car. b. investing your savings in a stock market c. obtaining a student loan to attend college d. putting money into your retirement account
*Thursday, October 24, 2013 by Michelle*

**college algebra**

graph the following: 7x + 6y = 42 (-6x+42)\(7)
*Thursday, October 24, 2013 by Dee*

**college algebra**

graph the following: (5/4)x-4 (4x+16)/(5)
*Thursday, October 24, 2013 by Dee*

**College Anatomy**

Within the nervous system, the (a) are to the ganglia as a tract is to a (b).
*Thursday, October 24, 2013 by Elaine*

**college admissions**

I need help editing a college admission writing supplement Connecticut College is definitely my first choice, as I believe that its exemplary academic and career opportunities will not only help me develop as a student, but also as a future professional. The college you choose...
*Wednesday, October 23, 2013 by chhristine*

**College writing supplement edit**

I need help editing a college admission writing supplement Connecticut College is definitely my first choice, as I believe that its exemplary academic and career opportunities will not only help me develop as a student, but also as a future professional. The college you choose...
*Wednesday, October 23, 2013 by chhristine*

**geometry**

what year does college look at gpa i got a 3.o for my midterm and if i get 4.0s all other erms of my freshmen year and rest years can i make it to a uc
*Tuesday, October 22, 2013 by jim*

**College Physics**

A Major League fastball is thrown at 92.1 mph and with a spin rate of 103 rpm. If the distance between the pitcher's point of release and the catcher's glove is exactly 61.4 ft, how many full turns does the ball make between release and catch? Neglect any effect of ...
*Tuesday, October 22, 2013 by Kimmy*

**college physics**

A small sphere of mass m and charge +q with zero velocity falls under the influence of gravity (acceleration = g from height h onto an infinite uniformly charged plane with positive charge density sigma as shown below. What will the velocity of the sphere be when it hits the ...
*Tuesday, October 22, 2013 by rosa*

**college physics**

Three negative charges with charge -q occupy the vertices of an equilateral triangle with sides of length L What is the magnitude of the electric field in units of k*q/L^2 at the center of the triangle? Give a numerical answer that is the number that would go in front of k*q/L...
*Tuesday, October 22, 2013 by sied*

**college chemistry**

exactly 11.2 ml of water at 23°c are added to a hot iron skillet. all of the water is converted into steam at 100°c. the mass of the pan is 1.5 kg and the molar heat capacity of iron is 25.19 j/(m·°c). what is the temperature change of the skillet
*Tuesday, October 22, 2013 by eboni*

**college algebra**

find the domain of (x-2)/(-3x+7)
*Monday, October 21, 2013 by Dee*

**college algebra**

Let f(x) = 1/x − 2 and g(x) = 1/x − 3 . Determine the domain of the composite function. (Enter your answer using interval notation.) g compose f _____? & Find the composite function. (g compose f)(x) = _____?
*Monday, October 21, 2013 by Dee*

**college algebra**

Let f(x) = square root (x + 2) and g(x) = x^2 − 2. Determine the domain of the composite function. (Enter your answer using interval notation.) f compose f ______? & Find the composite function. (f compose f)(x) = _____?
*Monday, October 21, 2013 by Dee*

**college algebra**

Let f(x) = x + 2 and g(x) = x2 − 2. Determine the domain of the composite function.
*Monday, October 21, 2013 by Dee*

**college algebra**

what is the domain of (square root of x) +7?
*Monday, October 21, 2013 by Dee*

**college physics**

One athlete in a race runnng on a long, straight track with a constanct speed v1 is a distance d behind a second athlete running with a constant speed v2. (a) Under what circumstances is the first athlete able to overtake the second athlete? (Use v_1 for v1, v_2 for v2, and d ...
*Monday, October 21, 2013 by alaa*

**College Physics**

A 27.7-cm-by-27.7-cm checkerboard has a mass of 103.1 g. There are four 27.7-g checkers located on the checkerboard, as shown in the figure. Relative to the origin located at the bottom left corner of the checkerboard, where is the center of mass of the checkerboard-checkers ...
*Sunday, October 20, 2013 by Kimmy*

**College Physics**

A fire hose 4.79 cm in diameter is capable of spraying water at a velocity of 17.1 m/s. For a continuous horizontal flow of water, what horizontal force should a fireman exert on the hose to keep it stationary?
*Sunday, October 20, 2013 by Kimmy*

**college physics**

Why do the passengers in high- altitude jet planes feel the sensation of weight while passengers in the International Space Station do not?
*Sunday, October 20, 2013 by bbragg*

**Math (College Pre-Cal)**

Find a formula for(f o g)(x)assuming that f(x)= e^(4-7x)and g(x)= ln(x). Give your answer in the simplest form.
*Sunday, October 20, 2013 by anonymous*

**college history**

The evolution of the socio-political and cultural milieu that created the conditions necessitating and including the formation of the: (a) Declaration of Independence (b) the Constitution (including the Bill of Rights)
*Saturday, October 19, 2013 by Melody*

**college physics**

If an automobile had a 100% efficient engine transferring all of the fuel's energy to work, would the engine be warm to your touch? Would its exhaust heat the surrounding air? Would it vibrate? Would any of its fuel go unused? There are really no 100% percent efficient ...
*Friday, October 18, 2013 by bbragg*

**english**

(1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade science, I have some experience with the faces and ...
*Friday, October 18, 2013 by Anonymous*

**math**

You and your friend are saving for college. You have $50 and are added $10 each week to your savings. Your friend has $20 and he is adding $20 each week to his savings. a. what system of equations would be a good model for this situation? Let x be number of weeks and y be the ...
*Friday, October 18, 2013 by Lisa*

**College**

Do the Counselors, at the Colleges, suppose to give their students good advises, of how to continues, and to further there Education, and to supervised how to UPGRADE their Continuing Education? YES? OR NO? WHY?
*Friday, October 18, 2013 by Lola*

**Health **

1). State how each of the six risk behaviors could affect one of your goals. A: Each of the six risk factors could affect my goal of becoming an actress immensely. Drug and alcohol use, poor dietary problems, and tobacco use could harm my physical health, making me unable to ...
*Thursday, October 17, 2013 by Anonymous*

**college physics**

Show that 480W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2m in a time interval of 1.5s.
*Thursday, October 17, 2013 by bbragg*

**College Chem**

Oxygen gas has a Henry's law constant of 1.66*10^-6 M/mm Hg at 40 degree C when dissolving in water. If the total pressure of gass (O2 gas plus water vapor) over water is 1.0 atm, what is the concentration of O2 in the water in grams per milliliter? Pressure of the water ...
*Tuesday, October 15, 2013 by Kimmy*

**english language arts 2**

Identify the comma rule that the following sentence breaks: Although she loved her parents Sarah was eager to leave for college and be independent.
*Tuesday, October 15, 2013 by dominique*

**Algebra 0110 College**

1) A rectangle has perimeter 38 feet and an area of 78 square feet. Find the dimensions of the rectangle assuming the width is smaller than the length. L= W= 2) A rectangular canvas picture measures 9 inches by 7 inches. The canvas is mounted inside a frame of uniform width, ...
*Tuesday, October 15, 2013 by Quince*

**College readiness**

Rent-it-Right rents compact cars for $38 plus $0.15 per mile. Lucia rented a car for 3 days and was charged $150. How many miles did she drive?
*Monday, October 14, 2013 by Jorge Suarez*

**college math**

The classification of closed orientable surfaces says that they are all spheres with a certain number of handles attached. For example, a sphere is a sphere with 0 handles. A torus is a sphere with one handle. A two holed torus is a sphere with two handles etc. How does one &...
*Monday, October 14, 2013 by ml*

**College Algebra**

Find the standard form of the equation of the parabola with the given characteristics and vertex at the origin. Passes through the point (-5, 1/8); vertical axis. There is no focus of the parabola or equation given, so how am I suppose to solve this problem?
*Monday, October 14, 2013 by Joy*

**College Algebra**

Find the standard form of the equation of the parabola with the given characteristics and vertex at the origin. Passes through the point (-1, 1/8); vertical axis. There is no focus of the parabola or equation given, so how am I suppose to solve this problem?
*Monday, October 14, 2013 by Joy*

**college algebra**

the following rational function gives the number of days it would take two construction crews, working together, to frame a house that crew 1 (working alone)could complete in t days and crew 2 (working alone) could complete in t+3 days. f(t)=(t^2+3t)/(2t+3). (a) if crew 1 ...
*Monday, October 14, 2013 by Dee*

**College Physics**

Tarzan swings on a vine from a cliff to rescue Jane, who is standing on the ground surrounded by snakes. His plan is to push off the cliff, grab Jane at the lowest point of his swing, and carry them both to the safety of a nearby tree (see figure). Tarzan's mass is 76.1 kg...
*Sunday, October 13, 2013 by Kimmy*

**College Physics**

Although they don’t have mass, photons—traveling at the speed of light—have momentum. Space travel experts have thought of capitalizing on this fact by constructing solar sails—large sheets of material that would work by reflecting photons. Since the ...
*Sunday, October 13, 2013 by Kimmy*

**College Physics**

The electron-volt, eV, is a unit of energy (1eV = 1.602 ·10–19 J, 1 MeV = 1.602 ·10–13 J). Since the unit of momentum is an energy unit divided by a velocity unit, nuclear physicists usually specify momenta of nuclei in units of MeV/c, where c is the ...
*Sunday, October 13, 2013 by Kimmy*

**college essay**

can someone help me edit this My Song My existence thus far has been a musical performance. The world is my stage, the platform upon which I express myself creatively. My life is the reputable melody that I play on my guitar, and the notes are my memories and life experiences...
*Sunday, October 13, 2013 by chhristine*

**College probability and statistics**

The current license plates in New York State consist of three letters followed by four digits. ( i ) How many possible distinct license plates can there be? ( ii ) How many possible distinct license plates could there be if the letters O and I and the digits, 0 and 1 were ...
*Saturday, October 12, 2013 by Melissa *

**college statistics**

7. Mary goes into the supermarket. The probability that she buys (a) regular coffee is .30, (b) decaffeinated coffee is .40, and (c) that she buys both is .30. What is the probability that she buys regular coffee, decaffeinated coffee, or both?
*Thursday, October 10, 2013 by shanice*

**college statistics**

2. A researcher has developed a new questionnaire for measuring dominance and would like to estimate the population parameters for the test scores. The questionnaire is administered to a sample of n = 25 subjects. This sample has an average score of mean = 43 with SS = 2400. ...
*Thursday, October 10, 2013 by shanice*

**reading interpretation**

(1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade science, I have some experience with the faces and ...
*Thursday, October 10, 2013 by Cassie*

**college algebra**

Need help in finding all vertical, horizontal, and slant asymptotes, x- and y-intercepts, and symmetries of f(x)=(x-3)/(x-4)
*Wednesday, October 9, 2013 by Dee*

**Mendipather college**

What are the significant challenges to effective governance in india?
*Wednesday, October 9, 2013 by S. Gabil*

**college physics**

A conductor in a shape of a spherical shell of radii 10 and 12cm in charged to 20 micro coloumb. 1) Find the electric field at the following radii: 2,11,15 cm. 2)Find the electric potential at each of these radii. Repeat part 1 and a -5 microcoloumb point charge is being ...
*Wednesday, October 9, 2013 by vishal*

**College: Chem 1**

What would be the molar concentration of the solute in each of the following solutions? a. 0.50 L containing 38.6 g of NaClO4 b. 0.25 L containing 41.5 g of C4H8O
*Tuesday, October 8, 2013 by Anonymous *

**college chem**

a compound containing
*Monday, October 7, 2013 by Erika*

**estraellamountaincommunity college**

an American football field is a rectangle with a perimeter of 1040 feet the Lenght is 200 feet more than the width find the demensionof the field
*Monday, October 7, 2013 by robinson*

**College Math 45**

Mrs. Brown has 17 children in her first-grade class, and Mr. Lopez has 20 children in his second-grade class. The principal has been asked to select 1 student from one of the classes to appear at a PTA meeting. How many ways can the selection be made?
*Sunday, October 6, 2013 by Anonymous*

**college physics**

The charge per unit length on a long, straight filament is -87.0 µC/m. (a) Find the electric field 10.0 cm from the filament. Distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive direction.) MN/C (b...
*Sunday, October 6, 2013 by vishal*

**college physics**

The charge per unit length on a long, straight filament is -87.0 µC/m. (a) Find the electric field 10.0 cm from the filament. Distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive direction.) MN/C (b...
*Sunday, October 6, 2013 by vishal*

**college physics**

The charge per unit length on a long, straight filament is -87.0 µC/m. (a) Find the electric field 10.0 cm from the filament. Distances are measured perpendicular to the length of the filament. (Take radially inward toward the filament as the positive direction.) MN/C (b...
*Sunday, October 6, 2013 by vishal*

**question**

if your a highschool student for the the summer can you go to community college and earn credit for highschool
*Saturday, October 5, 2013 by kevin*

**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 by Diane*

**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 by kayla: HELP*

**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 by ABBY*

**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*