Thursday

July 2, 2015

July 2, 2015

**college problem solving**

a certain two-digit number is 6 less than the sum of its tens digit and 7 times its units digit. if the digits are reversed the number is increase by 27. fin the original two-digit numbers
*Sunday, November 24, 2013 by luckybee*

**College alerbra**

Scott invested a total of $9500 at two separate banks. One bank pays simple interest of 11% per year while the other pays simple interest at a rate of 9% per year. If Scott earned $973.00 in interest during a single year, how much did he deposit in each bank?
*Saturday, November 23, 2013 by Matt*

**TCCD**

Thirty five percent of adult americans are regular voters. A random sample of 250 adults in a medium size college town were surveyed, and it was...Estimate the true proportion of regular voters with 90% confidence and comment on the results.
*Friday, November 22, 2013 by AB*

**statistics**

Is there a significant difference between first year post college incomes of graduates from public versus private institutions? Provide the IV, DV, and best method of analysi
*Thursday, November 21, 2013 by Syl*

**Calculus - Integrals **

The projected rate of increase in enrollment at a new college is estimated by dE/dt = 6,000(t+1)^-3/2 where E(t) is the projected enrollment in t years. If the enrollment is 3,000 now (t=0), find the projected enrollment 15 years from now.
*Thursday, November 21, 2013 by Jess*

**College Algebra**

Identify a different point on the line (with whole number coordinates) and tell what it represents.
*Thursday, November 21, 2013 by Sarah*

**College Algebra**

The equation for the total revenue earned by a company for selling widgets is p=4q. The equation for the total cost of the company for producing widgets if p=q+6. Find the break-even quantity.
*Thursday, November 21, 2013 by Sarah*

**College Algebra**

The equation for the total revenue earned by a company for selling widgets is p=4q. The equation for the total cost of the company for producing widgets if p=q+6. Graph p=4q
*Thursday, November 21, 2013 by Sarah*

**College Algebra**

Mints cost 5 cents each and gumballs cost 3 cents each. Kathleen spent 60 cents buying x mints and y gumballs. Slope intercept form: y=-5/3+20 What is the slope and what does it represent in this problem?
*Thursday, November 21, 2013 by Sarah*

**College Algebra**

Mints cost 5 cents each and gumballs cost 3 cents each. Kathleen spent 60 cents buying x mints and y gumballs. Slope intercept form: y=-5/3+20 What is the y-intercept and what does it represent in this problem?
*Thursday, November 21, 2013 by Sarah*

**College Algebra**

Pencils cost 20 cents and pens cost 50 cents. Mabel buys x pencils and y pens, spending $2.00. Write an equation in standard form with integer coefficients that relates x and y.
*Wednesday, November 20, 2013 by Haley*

**College Algebra**

Write an equation for the amount of money, A, that we would have if we invested $25,000 at 6% per year for 5 years compounded instantaneously.
*Wednesday, November 20, 2013 by Haley*

**College Algebra**

Write an equation for the amount of money, A, that we would have if we invested $2000 at 8% interest for 10 years compounded semiannually (twice each year)
*Wednesday, November 20, 2013 by Haley*

**houston community college**

gordon rosel went to his bank to find out how long it will take for 1,200 to amount to 1,650 at 8% simple interest. round to the nearest tenth
*Wednesday, November 20, 2013 by anita collins*

**College Algebra**

Solve the System 2x-8y=20 3x-12y=30
*Wednesday, November 20, 2013 by Haley*

**College Algebra**

A 50 gallon barrel plumb full of water springs a leak in the bottom and leaks at a constant rate of two gallons per minute. Write an equation that relates the amount of water left in the barrel, y in terms of how many minutes have passed since the leak began, x.
*Wednesday, November 20, 2013 by Haley*

**College Algebra**

A company that bought a machine for $30,000 wants to depreciate its entire value equally over the next ten years. Write an equation that represents the machine's value, v, in terms of the number of years that have passed since the machines purchase, t.
*Wednesday, November 20, 2013 by Haley*

**College Algebra**

Change the equation 5x+3y=60 to slope-intercept form.
*Wednesday, November 20, 2013 by Haley*

**College Algebra**

Mints cost 5 cents each and gumballs cost 3 cents each. Kathleen spent 60 cents buying x mints and y gumballs. Write an equation in stand form that represents all the different combinations of mints and gumballs that Kathleen might have purchased.
*Wednesday, November 20, 2013 by Haley*

**literature (bejamin Franklin)**

As a poor boy, Franklin realized that he could not buy many books, but he came up with an idea that could give people access to as many books as they wanted. This idea was essentially.. a) get a government grant b)get the government to buy the books c)have all your friends ...
*Tuesday, November 19, 2013 by jason*

**maths**

A community college has 2,000 students and 50 instructors. Next year the enrollment will be 6,000. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?
*Tuesday, November 19, 2013 by fai*

**college algebra**

A partial solution set is given for the polynomial equation. Find the complete solution set. (Enter your answers as a comma-separated list.) x^3 + 3x^2 − 14x − 20 = 0; {−5}
*Monday, November 18, 2013 by Dee*

**college algebra**

Use long division to perform the division. (Express your answer as quotient + remainder/divisor.) (x^4 + 7x^3 − 2x^2 + x − 1) / (x − 1)
*Monday, November 18, 2013 by Dee*

**college algebra**

Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a comma-separated list.) 4^(x − 3) = 3^(2x) x = _____
*Monday, November 18, 2013 by Dee*

**college algebra**

Use a calculator to help solve the problem. An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr
*Monday, November 18, 2013 by Dee*

**English**

Which words go in the following sentences. Young Charles was born in 1902 and was growing/grew up on a farm. Later, although he has studied/had studied engineering in college, he was more interested in flying planes.
*Monday, November 18, 2013 by Kelly*

**Business 101**

1. Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients’ businesses. Carmen is working as a A. public accountant. B. ...
*Sunday, November 17, 2013 by Catherine *

**college algebra**

An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr
*Sunday, November 17, 2013 by Dee*

**college algebra**

Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a comma-separated list.) 4x − 3 = 32x x = _____
*Sunday, November 17, 2013 by Dee*

**college algebra**

In 4 years, 30% of a radioactive element decays. Find its half-life. (Round your answer to one decimal place.) _____ yr
*Sunday, November 17, 2013 by Dee*

**College and Social studies Courses**

Is Economic 201 or 202 equivalent to AP Microeconomic or AP Macroeconomic?
*Friday, November 15, 2013 by Anonymous*

**College and Math Courses**

Is statistic 243 equivalent to AP Statistic?
*Friday, November 15, 2013 by Anonymous*

**college essay conclusion edit**

can someone edit this. also, does it sound too melodramatic? And so, dear reader, I am no longer a child. I was unable to maintain my simplest and purest form, as the fragile innocence of my childhood has been taken. I am like an old book, torn and weathered from time, ...
*Friday, November 15, 2013 by chhristine*

**college letter edit**

can someone help edit this? I literally need this in by tonight Dear Admissions, As I was recently speaking with an admissions officer from Uconn, I was exponentially pleased to be informed that the University of Connecticut has allowed for the submition of a writing ...
*Friday, November 15, 2013 by chhristine*

**college essay cover letter**

Can someone edit this Dear Admissions, I was pleased to find that the University of Connecticut allowed for applicants to submit a writing supplement along with their applications. So, I have taken this opportunity to show the main experiences that I have experienced the past ...
*Friday, November 15, 2013 by chhristine*

**stastics**

Salaries of 31 college graduates who took a course in college have a mean, x of 66,700 a standard deviation , o of 17,120, construct a 90% confidence interval for estimating the population mean u.
*Friday, November 15, 2013 by anonymous*

**math**

A couple plans to save for their child’s college education. What principal must be deposited by the parents when their child is born in order to have $100,000 when the child reaches age 18? Assume the money earns 4% interest, compounded quarterly.
*Friday, November 15, 2013 by denise*

**Personal Finance**

If the economy is not doing well and jobs are hard to find, what would you suggest for your friend to do if they are graduating high school in a month? A) sit at home until the economy improves B) save money by going to a local community college C) look for a job D) all of the...
*Wednesday, November 13, 2013 by Josh*

**College Level Calculus**

Each orange tree grown in California produces 720 oranges per year if not more than 20 trees are planted per acre. For each additional tree planted per acre, the yield per tree decreases by 15 oranges. How many trees per acre should be planted to obtain the greatest number of ...
*Tuesday, November 12, 2013 by Timofey*

**math 540**

suppose it takes a college student an average of 5 minutes to find a parking space on the schools parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the college students when ...
*Tuesday, November 12, 2013 by renee*

**college physics**

A weightlifter has a basal metabolic rate of 92.4 W. As he is working out, his metabolic rate increases by about 650 W. (a) How many hours does it take him to work off a 450 Calorie bagel if he stays in bed all day? (b) How long does it take him if he's working out? (c) ...
*Tuesday, November 12, 2013 by Anonymous*

**college**

a point source is on the bottom of a pool 2m deep. find the diameter of the largest circle at the surface which light can emerge from the water (n=1.33)
*Monday, November 11, 2013 by stela*

**Math**

the ratio of males to females in a college class is 2:6. If there are 72 students in the class, how many are male?
*Monday, November 11, 2013 by megan*

**College anatomy**

It was observed that blood glucose levels were falling in an individual. This event would be sensed by (a) cells in the (b) of the pancreas, causing them to release the hormone (c). This series of events would be part of an (d) loop/mechanism, serving as a self-adjusting ...
*Monday, November 11, 2013 by Becca*

**Statistics**

An opinion poll asks a random sample of 100 college seniors how they view their job prospects. In all, 53 say "Good." The 95% confidence interval has a margin of error of 9.9%. The sample used actually included 130 college seniors but 30 of the seniors refused to ...
*Monday, November 11, 2013 by Samantha*

**Statistics**

To plan the budget for next year a college needs to estimate what impact current economic downturn might have on student requests for financial aid. Historically, this college has provided aid to 35% of its students. Officials look at a random sample of this year’s ...
*Monday, November 11, 2013 by Katie*

**U.S. and Global economics; involving math problems**

I've been working on this problem for "hours" and I can't quite figure out how to solve it; can anyone help plzzz? I would appreciate it. :) Two college students went on spring break to Guadalajara, Mexico. One took the vacation in 2002, while the other went ...
*Monday, November 11, 2013 by Mary*

**bangladesh**

In the space before each of the following items, place a C if the capitalization is correct, a zero (0) if it is incorrect. Then insert capitals where they should be, and draw a line through capitals that should be small letters. 1. the Rocky Mountains 2. my spanish course 3. ...
*Monday, November 11, 2013 by sara*

**College Physics**

A wooden bridge crossing a canyon consists of a plank with length density λ = 2.25 kg/m suspended at h = 10.89 m below a tree branch by two ropes of length L = 2h and with a maximum rated tension of 2000 N, which are attached to the ends of the plank, as shown in the ...
*Sunday, November 10, 2013 by Kimmy*

**college essay**

can someone edit my college essay? I was told by an admissions counselor to write a supplement describing my low cumulative GPA. It is a rough first draft, and probolaly needs to be heavily edited I am my truest and purest self, a mere child embarking on the beginning of the ...
*Sunday, November 10, 2013 by chhristine*

**college essay**

I have a 2.68 GPA. I know its bad, but this was mainly due to my mother dying freshman year and my fathers debilitating state after her death. I had a 2.0 freshman yr, a 2.65 sophmore yr, a 3,259 junior yr, and a 3.67 senior yr (so far) A Uconn admissions counselor told me to ...
*Saturday, November 9, 2013 by chhristine*

**Statistics**

In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1 to 10. The date follow: Number of Cups of Coffee 3,2,4,6,5,1,7,3 Stress Level 5,3,3,9,4,2,10,5 Calculate a Pearsons r to determine the...
*Thursday, November 7, 2013 by Nicole*

**stats**

To estimate the mean score of those who took the Medical College Admission Test on your campus, you will obtain the scores of an SRS of students. From published information you know that the scores are approximately Normal with standard deviation about 6.4. You want your ...
*Wednesday, November 6, 2013 by Aman*

**Career (Ms.Sue)**

I want to be a lawyer do I have to do a master degree? what qualifications do I need? what subjects a suitable for college?
*Wednesday, November 6, 2013 by Anonymous*

**college math**

Math homework please help!! 2. Suppose that people’s weights are normally distributed, with mean 175 pounds and a standard deviation of 6 pounds. Round to the nearest hundredth of a percent a. What percent of the population would weigh between 165 and 170 pounds? b. What ...
*Tuesday, November 5, 2013 by lynda*

**College Algebra**

A plane takes off from the ground at a 14-degree angle. After flying straight for 10,000 feet, what is the altitude of the plane?
*Tuesday, November 5, 2013 by Keri*

**college resume**

Is there any way to edit or improve this? Community Service Description Grades(s) Hrs/wk wk/yr BuildOn Raised $2,000 through active fundraising and community service, donated all funds to Malawi, lived with a host 10 56 4 family for a week to fully ascertain their lifestyle, ...
*Tuesday, November 5, 2013 by chhristine*

**college algebra**

Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = log 9
*Monday, November 4, 2013 by Dee*

**college algebra**

Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = −0.35
*Monday, November 4, 2013 by Dee*

**college Algebra**

Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = −0.35
*Monday, November 4, 2013 by Dee*

**college Algebra**

Use a calculator to find y to four decimal places, if possible. (If an answer is undefined, enter UNDEFINED.) ln y = log 9
*Monday, November 4, 2013 by Dee*

**college Algebra**

Use a calculator to help solve the problem. The life expectancy of white females can be estimated by using the function = 78.5(1.001)x, where x is the current age. Find the life expectancy of a white female who is currently 50 years old. Give the answer to the nearest tenth. L...
*Monday, November 4, 2013 by Dee*

**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*