Saturday

January 21, 2017
**college physics**

a) A light-rail commuter train accelerates at a rate of 1.25 m/s2. How long does it take it to reach its top speed of 80.0 km/h starting from rest? (b) The same train ordinarily decelerates at a rate of 1.75 m/s2. How long does it take to come to a stop from its top speed? (c...

*Saturday, January 25, 2014 by Melissa*

**college physics**

A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 10.0 m/s and accelerates at the rate of 0.600 m/s2 for 7.00 s. (a) What is his final velocity? (b) The racer continues at this velocity to the finish line. If he was 300 m ...

*Saturday, January 25, 2014 by Melissa*

**college physics**

A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 10.0 m/s and accelerates at the rate of 0.600 m/s2 for 7.00 s. (a) What is his final velocity? (b) The racer continues at this velocity to the finish line. If he was 300 m ...

*Saturday, January 25, 2014 by Melissa*

**college physics**

An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.0 m/s and decelerates at a rate of 0.150 m/s2 as it goes through. The station in 210 m long. (a) How long is the nose of the train in the station? (b) How fast is ...

*Saturday, January 25, 2014 by Melissa*

**Math**

In which one of the following sentences is the number written correctly? A The college has an endowment of more than $187 million. B The parcel of land was advertised as two hundred forty-three and three-quarters acres. C One hundred and thirty-two people lined up to buy the ...

*Thursday, January 23, 2014 by mr scooter*

**English**

In which one of the following sentences is the number written correctly? A The college has an endowment of more than $187 million. B The parcel of land was advertised as two hundred forty-three and three-quarters acres. C One hundred and thirty-two people lined up to buy the ...

*Thursday, January 23, 2014 by mr scooter*

**SS-check my answers plz!!!**

1. A person favoring one side of a political issue is a faction. partisan. a party favor. implying power. 2. The Democratic-Republicans believed in strong state governments and rule by the wealthy class. a national bank. a strong federal government. rule by the people. 3. ...

*Thursday, January 23, 2014 by Princess Anna*

**College Physics**

Assume that an MX missile goes from rest to a suborbital velocity of 4.50 km/s in 30.0 s (the actual speed and time are classified). What is its average acceleration in m/s2? What is its average acceleration in multiples of g?

*Thursday, January 23, 2014 by Melissa*

**college physics**

A commuter backs her car out of her garage with a constant acceleration of 1.20 m/s2. (a) How long does it take her to reach a speed of 1.60 m/s? s (b) If she then brakes to a stop in 0.8 s, what is her (constant) deceleration?

*Thursday, January 23, 2014 by Melissa*

**Pre-Calc**

The attendance A (in millions) at NCAA womens college basketball games for the years 1994 through 2000 is shown in the table, where t represents the year, with t=4 corresponding to 1994. year t attendance a 4 4.557 5 4.962 6 5.234 7 6.734 8 7.387 9 8.698 10 8.825 a. use the ...

*Wednesday, January 22, 2014 by Andy G*

**academic execellence**

Becoming a discerning consumer of research is something you can achieve by practicing good research skills and using your A. critical thinking B. education C. resources D. college library

*Wednesday, January 22, 2014 by michelle*

**intro to computers**

what type of device is characteristic of an enterprise environment? a workstation used by a retired person. a workstation used at an engineering firm. a tablet computer used by an elementary school student a notebook used by a college student

*Tuesday, January 21, 2014 by mary*

**college math HELP!!!!!**

i need to find equilibrium price using these two equations: P= -(1/25)x+190 P= (1/75)x+70 the equilibrium quantity is: 2250 units the equilibrium price is: ______?

*Monday, January 20, 2014 by Dee*

**college math HELP!!!!!**

The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $180; the quantity demanded each month is 1000 when the unit price is $150. The suppliers will market 750 espresso makers if the unit price is $80. At a unit price of $90, they are ...

*Sunday, January 19, 2014 by Dee*

**college finite math**

The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $180; the quantity demanded each month is 1000 when the unit price is $150. The suppliers will market 750 espresso makers if the unit price is $80. At a unit price of $90, they are ...

*Sunday, January 19, 2014 by Dee*

**college finite math**

A product may be made using Machine I or Machine II. The manufacturer estimates that the monthly fixed costs of using Machine I are $17,000, whereas the monthly fixed costs of using Machine II are $14,000. The variable costs of manufacturing 1 unit of the product using Machine...

*Sunday, January 19, 2014 by Dee*

**college finite math**

A division of a company produces "Personal Income Tax" diaries. Each diary sells for $6. The monthly fixed costs incurred by the division are $30,000, and the variable cost of producing each diary is $1. (a) Find the break-even point for the division. (x, y) = (6000...

*Sunday, January 19, 2014 by Dee*

**college finite math**

Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint: Think of...

*Sunday, January 19, 2014 by Dee*

**college finite math**

Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint: Think of...

*Sunday, January 19, 2014 by Dee*

**college finite math**

For wages less than the maximum taxable wage base, Social Security contributions (including those for Medicare) by employees are 7.65% of the employee's wages.â€ (a) Find an equation that expresses the relationship between the wages earned (x) and the ...

*Sunday, January 19, 2014 by Dee*

**SAT**

please help. I am a foreigner. I need to get into a US college for a bright future. I bought the College Board SAT book. It has no word lists. How do I do well in the SAT? Any tips? Please give me help.

*Sunday, January 19, 2014 by Mohammed*

**English**

I have to write an essay on "Why is college important to me" and I have to find two references and each reference must use quoted passage. Where can I find references for this topic because it's asking for my opinion please u need help please tell me what ...

*Saturday, January 18, 2014 by Any*

**college physics**

The sound level when one child is talking in a room is 60.0 dB. What would be the sound level if all 20 children talk at the same time in the same room? Assume each child talks equally loudly.

*Saturday, January 18, 2014 by bano*

**Grammatical errors?**

Dear Prospective Host Teacher and Principal: Thank you for allowing me to be a part of your learning community. I am quite jubilant to have my first PPIE experience with you. Education has interested me for a large portion of my life and I often find myself volunteering with ...

*Friday, January 17, 2014 by mathidislikeperson*

**math**

From a survey of 100 college students, a marketing research company found that 65 students owned iPods, 35 owned cars, and 25 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)?

*Tuesday, January 14, 2014 by samuel*

**College Alg.**

How do you find the domain of 37 ____ k2-k-30

*Sunday, January 12, 2014 by Ashlie*

**ALGEBRA**

From a survey of 100 college students, a marketing research company found that 35 students owned iPods, 25 owned cars, and 5 owned both cars and iPods How many students owned either a car or an iPod (but not both)? How many students do not own either a car or an iPod? 236 ...

*Sunday, January 12, 2014 by GLENN*

**algebra**

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 studentâ€&#...

*Friday, January 10, 2014 by 1215*

**college algebra**

what is 7y-6=5y+44

*Tuesday, January 7, 2014 by kesha*

**College Mathematics**

Solve: 8.5x +8 = 1.3x + 15 A. x = 50.4 B. x = 0.7 C. x = 3.2 D. x = 1.0 Is B the correct answer

*Sunday, January 5, 2014 by Winston*

**College Mathematics**

The mass of a large stone block was determined to be 3361 kg. What is the weight of this stone in tons? A. 3.7 B. 1680.5 C. 1512.45 D. 3361

*Sunday, January 5, 2014 by Winston*

**college algebra**

find two algebraic expressions for the area of each figure. first ,regard the figure as one large rectangle, and then regard the figure as a sum of four smaller rectangles x,10,8x

*Thursday, January 2, 2014 by its a secret*

**Writing**

I just want an opinion here. I've been writing for about ten years, and I've improved greatly. Though, now I'm beginning to feel like I've reached a standstill. I still read a lot to expand my knowledge and vocabulary, and I bounce back and forth between ...

*Tuesday, December 24, 2013 by Me*

**Please help quickly! Social Studies**

Please check my answers What was the constitutional issue decided in McCulloch v. Maryland? (Points : 1) Whether the federal government could raise revenue for internal improvements The extent to which states and the federal government shared jurisdiction over commerce <-- ...

*Sunday, December 22, 2013 by Anonymous*

**math**

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, Readerâ€™s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a ...

*Saturday, December 21, 2013 by Anonymous*

**college algebra**

8x+9y=33 x-36y=-330 elimination

*Tuesday, December 17, 2013 by its a secret*

**College geometry**

Find the coordinates of the x-intercept. -x + 5y = -15 (Points : 1)

*Tuesday, December 17, 2013 by patty*

**college Algebra**

Write the system as a matrix and solve it by Gauss-Jordan elimination. (If the system is inconsistent, enter INCONSISTENT. If the system has infinitely many solutions, show a general solution in terms of x, y, or z.) x + 2y − z = 5 2x − y + z = 2 3x − 4y + 3z...

*Sunday, December 15, 2013 by Dee*

**college Algebra**

Use matrix methods to solve the problem. To use space effectively, librarians like to fill shelves completely. One 105-inch shelf can hold 3 dictionaries, 5 atlases, and 1 thesaurus; or 6 dictionaries and 2 thesauruses; or 2 dictionaries, 4 atlases, and 3 thesauruses. How wide...

*Friday, December 13, 2013 by Dee*

**college Algebra**

Use matrix methods to solve the problem. 120,000 gallons of fuel are to be divided between two airlines. Triple A Airways requires three times as much as Unity Air. How much fuel should be allocated to Triple A? ______ gal

*Friday, December 13, 2013 by Dee*

**college Algebra**

Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x, y, or z.) x + y = 18 y + z = 18 x − z = 0

*Friday, December 13, 2013 by Dee*

**college Algebra**

Solve the system, if possible. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x, y, or z.) x + y + z = 7 2x + y + z = 14 x + 2y + 3z = 2

*Friday, December 13, 2013 by Dee*

**algebra**

At one time, the ratio of in-state to out-of-state tuition at Texas A&M University in college station, TX was about 3:11. About how much was the out-of-state tuition if the in-state tuition at the time was about $2400?

*Friday, December 13, 2013 by genny*

**math**

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 studentâ€&#...

*Friday, December 13, 2013 by Beebee*

**College Algebra**

Use a system of equations to solve the problem. A rectangular picture frame has a perimeter of 2,200 centimeters and a width that is 300 centimeters less than its length. Find the area of the picture. _____ cm2

*Thursday, December 12, 2013 by Dee*

**college chemistry**

If 100.0 mL of 0.0025 M Na2SO4 (aq)is saturated with CaSO4 how many grams of CaSO4 would be present in the solution? [Hint: Does the usual simplifying assumption hold?]

*Thursday, December 12, 2013 by sarah*

**Business English**

I need help writing this: Youâ€™ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must ...

*Thursday, December 12, 2013 by Kelley*

**MATH**

The cost of tuition at Johnson Community College is $190 per credit hour. Each student also has to pay $60 in fees. Write a linear equation model for this situation. Use C for the cost and x for the number of credit hours.

*Thursday, December 12, 2013 by MICHELLE*

**College Algebra**

The equation for the total revenue earned by a company for selling widgets is p=3q. The equation for the total cost of the company for producing widgets is p=q+4. Identify the break-even quantity.

*Wednesday, December 11, 2013 by Sarah*

**College Algebra**

Pencils cost 20 cents and pens cost 50 cents. Mabel buys x pencils and y pens, spending $2.00. what is the slope and what does it represent? what is the y-intercept and what does it represent?

*Wednesday, December 11, 2013 by Sarah*

**College**

What id the difference between University of maryland college park and University of Maryland Baltimore? I know they are at different locations but which one has what? I looked online but got so many different answers that i got confused.

*Wednesday, December 11, 2013 by annonymous*

**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 slope-intercept form that expresses y in terms of x. slope= -2/5 what does it represent? y-intercept= 4 what does it represent?

*Wednesday, December 11, 2013 by Sarah*

**College Algebra**

50 gallon barrel plumb full of water springs a leak in the bottom and leaks at a constant rate of two gallons per minute. y=50-2x slope=-2 what does it represent? y-intercept=50 what does it represent? x-intercept=25 what does it represent?

*Wednesday, December 11, 2013 by Sarah*

**College Algebra**

The letters in the word probability are written on separate slips of paper. Find the probability of drawing two i's in a row without replacement.

*Wednesday, December 11, 2013 by Sarah*

**College Algebra**

The letters in the word probability are written on separate slips of paper. One slip of paper is drawn at random. Find P(b)

*Wednesday, December 11, 2013 by Sarah*

**College Algebra**

Find AC A= 2 3 0 4 1 6 C= 2 3 0 1 1 0

*Wednesday, December 11, 2013 by Sarah*

**College Algebra**

If CI=C, find I C= 2 3 0 1 1 0

*Wednesday, December 11, 2013 by Sarah*

**College Algebra**

Line m passes through (2,5) and (-3,-2). Find the slope of a line that is perpendicular to line m.

*Wednesday, December 11, 2013 by Sarah*

**College Algebra**

Find AC A= 2 3 0 C= 2 3 4 1 6 0 1 1 0

*Wednesday, December 11, 2013 by Sarah*

**college algebra**

A circular vent pipe with a diameter of 5.5 inches is place on a roof that has a slope of 1/4. Find an equation of the ellipse that should be cut from the roof so that the pipe will fit. roound parameters to the nearest hundreth.

*Tuesday, December 10, 2013 by Mark*

**College Algebra**

A circular vent pipe with a diameter of 5.5 inches is place on a roof that has a slope of 1/4. Find an equation of the ellipse that should be cut from the roof so that the pipe will fit. roound parameters to the nearest hundreth.

*Tuesday, December 10, 2013 by Mark*

**college intermediate algebra**

Working together, two people can mow the lawn in 24 minutes. Working alone, one person takes 20 minutes longer than the other. How many minutes would it take each person to mow the lawn alone? Thanks!!!

*Tuesday, December 10, 2013 by nicole*

**College Chemistry**

Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO2(g). 2SO2(g)+O2(g)=2SO3(g) Kc=1.7*10^8 [SO3]aq=0.0034 M [O2]aq=0.0018 M

*Tuesday, December 10, 2013 by Timothy urgent need*

**Intermediate Algebra (College)**

Solve algebraically: 14/x^2 - 5/x = 1 Thank you!!! (:

*Tuesday, December 10, 2013 by Nicole*

**math**

Yumi's grandparents presented her with a gift of $11,000 when she was 8 years old to be used for her college education. Over the next 9 years, until she turned 17, Yumi's parents had invested her money in a tax-free account that had yielded interest at the rate of 5.5...

*Monday, December 9, 2013 by Jarrod*

**College Algebra 105**

use the rational zero's theorem to list the potential zero's of the polynomial function. Do not attempt to find the zero's f(x)=-169x^7-x^6+x+13 and then the second part is find the potential rational zero's.

*Monday, December 9, 2013 by Dawn Mason*

**college algebra**

solve the system 2x+y=-4 -x+y= 2

*Saturday, December 7, 2013 by drinkard*

**economic**

College enrollments increased at the same time that average tuition rose dramatically. Does this contradict the law of downward-sloping demand? Explain. (b) Use supply and demand model to explain the dramatic rise in the price of a college education

*Friday, December 6, 2013 by Terita*

**college stats**

Suppose population proportion1 = 0.4, sample size1 = 100, population proportion2 = 0.5, sample size2 = 120. whats the formula? i think this is just a plug and chug

*Thursday, December 5, 2013 by hershi*

**college stats**

in a sample of 159,949 first year college students, the national survey of student engagement reported that 39% participated in community service or volunteer work.find the margin of error for 99% confidence. what formula do I use? I know the 99% interval for z is 2.576 n is ...

*Thursday, December 5, 2013 by hershi*

**stats**

in a sample of 159,949 first year college students, the national survey of student engagement reported that 39% participated in community service or volunteer work.find the margin of error for 99% confidence. ...idk what formula to use.

*Thursday, December 5, 2013 by sara*

**chemistry college**

Consider the titration of 30.0 mL sample of 0.050 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant (acid)have been added: a)0 mL, b)20.0mL, c)60.0mL, d)65mL Kb for NH3 is 1.8 x 10^-5

*Wednesday, December 4, 2013 by Taylor M*

**College Algebra**

1. 2log8^x=log8(4x+12) both log bases are 8. I have no clue what to do. 2. 1/2ln (x) -3 ln y - ln (z-2) so far for this second one i have ln sqrt(x)-ln y^3 - ln (z-2) dont know what to do next

*Wednesday, December 4, 2013 by Billy*

**English**

Q: To be a doctor at a hospital, do they all need to get doctors's degree in college?

*Tuesday, December 3, 2013 by rfvv*

**College algebra**

Solve the system Y=3x-2 6x-2y=30

*Tuesday, December 3, 2013 by Sara*

**College algebra**

Solve the system X=2y+3 3x+4y=59

*Tuesday, December 3, 2013 by Sara*

**English**

Hello, Dr. Green. ------------------ In this expression, is Dr. Green a doctor who works at a hospital? Or is Dr. Green a professor in college?

*Tuesday, December 3, 2013 by rfvv*

**College Algebra**

A= [2 3 0] [4 1 6] 1. what is the additive inverse of A? 2. find 3A.

*Tuesday, December 3, 2013 by Sarah*

**College Algebra**

Line m passes through (2,5) and (-3,-2) Find the slope of a line that is perpendicular to line m.

*Tuesday, December 3, 2013 by Sarah*

**College Algebra**

Find the probability of drawing two i's in a row without replacement.

*Tuesday, December 3, 2013 by Sarah*

**math**

At a certain college, there are 7 men for every 5 women. If there are 440 more men than women, what is the total enrollment?

*Sunday, December 1, 2013 by jessuic*

**college calculus**

I don't know how to solve this indefinite integral with both limits as variables: ^x^3 ÂÃ§ (z^4+1)dz ⌄ln(x) If you could explain I'd appreciate it.

*Saturday, November 30, 2013 by tatiana*

**Probability and Statistics**

The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not reject the null ...

*Saturday, November 30, 2013 by Katy*

**College Physics**

At what frequency does the inductive reactance of a 42.0 ÂµH inductor equal the capacitive reactance of a 42.0 ÂµF capacitor? kHz

*Saturday, November 30, 2013 by ANITA*

**Probability and Statistics**

The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not reject the null ...

*Saturday, November 30, 2013 by Katy*

**Probability and Statistics**

The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not reject the null ...

*Friday, November 29, 2013 by Katy*

**College alerbra**

solve the exponential equation. 4^(x+2)=9x

*Friday, November 29, 2013 by cain*

**College**

7x+6=x-30

*Friday, November 29, 2013 by Hannah*

**Probability and Statistics**

The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not reject the null ...

*Thursday, November 28, 2013 by Katy*

**Probability and Statistics**

The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not reject the null ...

*Wednesday, November 27, 2013 by Katy*

**antelope college**

Oscar has 4 gallons 1 quart of milk. he wants to place all of the milk into quart bobbles. how many quarts does he have?

*Monday, November 25, 2013 by norma*

**College Algebra**

Find a Quadratic polynomial function with real coefficients satisfying the given conditions. -4 and 3 are zeros; f(1) = -30 HELP. I have no idea.

*Monday, November 25, 2013 by Billy*

**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 1-10. The data appear below. Number of Cups of Coffee Stress Level 3 5 2 3 4 3 6 9 5 4 1 2 7 10 3 5 = 3.88 X= 5.13 s = 2.03 s = 2.90 ...

*Monday, November 25, 2013 by NAD*

**College Algebra**

solve the polynomial inequality and graph on number line. express in set interval rotation. Show work x^3 - 3x^2 - 9x + 27 < 0

*Sunday, November 24, 2013 by Jenn*

**statistics**

Typing speeds among college students are normally distributed with a mean of 60 words, and a standard deviation of 10 words. determine the typing speed that separates the top 6% typists from the rest.

*Sunday, November 24, 2013 by Jon*

**college problem solving 3**

an express train leaves new york at 3:00 pm and rreaches boston at 6:00 pm a slow train leaves boston at 1:30pm and arrives in new york at 6:00 pm. if both trains travel at constant speeds at what time do they meet

*Sunday, November 24, 2013 by luckybee*

**college problem solving 2**

Me and Bill said casey can do the job for you in 10 days but give me alex instead of bill and we can get it done in 9 days. i can do better tha that said slex. let me take bill as a partner and we will do the job for you in 8 days. how long will it take each man to do the job ...

*Sunday, November 24, 2013 by luckybee*

**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*