# College

**College Chemistry**

A 150.0 mL sample of a 1.50 M solution of CuSO4 is mixed with a 150.0 mL sample of 3.00 M KOH in a coffee cup calorimeter. The temperature of both solutions and the calorimeter was 25.2°C before mixing and 31.3°C after mixing. The heat capacity of the calorimeter is 24.2 J/...

**Math**

A college student is using the following model to determine the total number of text messages she will have in the inbox in her cell phone, if she does not delete any of the current messages or future messages she receives in the next x days. In the model, y represents the ...

**Help finding a good speech topic**

I am going to be giving an informative speech on a news article. The news article is suppose to be able to at least somewhat relate to college students and should also be about something new, interesting, or novel. Preferable something I could easily talk about for five ...

**stastistics**

Create a one sample t-test comparing the age of the general population of college students in traditional on-ground universities. Assume the population mean is 21. The numbers are 15, 16, 14, 13, 12, 17, 18,19,11, and 10.

**college chemistry**

The solubility of Ar in water at 321.9 torr is 0.02538 g/L. What is Henry's Law constant (M/atm) for Ar in water?

**Math**

The parents of twin boys started a college fund when the boys were 5 years old. They decided to invest $6,000 into an account that compounds quarterly at a rate of 8.6% annually. If the parents do not invest any additional money into this fund, how much will each of the boys ...

**Personal Dimensions of Education**

Which is the correct form of the verb provided to correctly complete the sentence. A high percentage of student population in the College of Health and Behavioral Sciences _____ planning to obtain an internship in the hospital while completing their degree. 1)is 2)are

**college math**

What is 6x to the third power plus 27x to the second power minus 15x

**Statistics**

In the population of typical college students, _ 5 75 on a statistics final exam _X 5 6.42 . For 25 students who studied statistics using a new technique, X 5 72.1. Using two tails of the sampling distribution and the .05 criterion: (a) What is the critical value? (b) Is this ...

**statistics, math, college**

if np >5 and nq>5 estimate P (fewer than 4) with n=13 p=0.4 by using normal distribution as an approximate to the binomial distribution if np <5 or nq< then state that the normal approximation is not suitable

**algebra and trigonometry**

At a college function, a total of 180 tickets were sold. The tickets were priced at $5, $10, and $15, and the money collected that day was $1,900. The sum of the numbers of $5 and $15 tickets sold was twice the number of $10 tickets sold. Find the number of each type of ticket...

**statistics, math, college**

assume that adults have I.Q scores that are normally distributed with a mean of 100 and a standard deviation 15. find p2 which is the IQ score seperating bottom 2% from the top 98%

**College Chemistry**

calculate the initial concentration of SCN- ions and Fe3+ ions when a solution was prepared by mixing 3.00mL of 0.00280M KSCN, 6.00 mL of 0.250M Fe(NO3)3 and 16ml of 0.050M HNO3.

**Math**

Assume that it takes a college student an average of 5 minutes to find a parking spot in the main 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 ...

**Math**

The combined math and verbal scores for students taking a national standardized examination for college admission, is normally distributed with a mean of 620 and a standard deviation of 220. If a college requires a student to be in the top 10 % of students taking this test, ...

**math**

In a survey of 25 college students, it was found that 9 were taking an English class, 14 were taking a math class, and 8 were taking both English and math. How many students were taking a math class only

**physics 2 for college**

a jet propelled motorcycle start from rest moves in a straightline with constant acceleration and covers a distance of 64m in 4seconds.?

**college physics 2**

A current of 2.10A flows in a wire. How many electrons are flowing past any point in the wire per second? N=________________________ electrons/s

**college chemistry**

kilocalories released when 20.0 g of steam condenses at 100 degrees C. and the liquid cools to 0 degrees C.

**math**

ANSWER THESE NOW PLEASE !!!!!!! 2.yesterday ,a parking lot had 10 cars parked in it.of the cars parked in the parking lot l,40% were silver,3 were red,and the rest were blue.how many of the cars were blue? A.2 cars B. 5 cars C. 3 cars D. 8 cars 3.everyone in andy's class has ...

**college chemistry**

to calulate the calories(kcal) in 1/2 cup of soft ice cream that contains 16g carbs, 17g fat, 5g protein. do I multiply 16g x 4 for carbs 17g x 9 for fat 5g x 4 for proteins? then do I do conversion factors for grams to 1/2cup? am I on the right road?

**college chemistry**

Ifwater cools to body temp.37 degrees C., how many kilocalories of heat could be transferred to sore muscles?

**Math**

Beth got a job painting dorm rooms at her college. At top speed, she could paint 5 identical rooms during one 6-hour shift. How long did she take to paint each room? A. 50 minutes B. 1 hour and 10 minutes C. 1 hour and 12 minutes D. 1 hour and 15 minutes E. 1 hour and 20 minutes

**math**

When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years.

**mah**

When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years.

**Quick math help**

I need help on how to do system applications word problems. I just don't get this at all :( 1. The ravens won twice as many games as they lost. They played 96 games. How many games did they win? 2. State college has 620 students. There are 20 more women than men. How many ...

**College Algebra**

solve by the the substitution method 8x+9y=-39

**College science**

Im in Chem. but looks like physics.. If a rock climber accidentally drops a 70.5 g piton from a height of 295 meters, what would its speed be just before striking the ground? Ignore the effects of air resistance.

**Pre-Algebra**

The treasurer of the student body at a college reported that the receipts from a recent contact totaled $916; Furthermore, he announced that 560 people had attended the concert. Students were charged $1.25 each for admission to the concert, and adults were charged $2.25 each. ...

**College Chemistry**

In your experiment you weigh out 0.995 g NaHCO3. How much 1.0 M HCl should you add to get the most NaCl?

**college chemistry**

How many megajoules are released when 9.0 gal of gasoline burns. how do I start to do this problem, and what are the steps to get there. thank you

**COURSE HELP MEEE**

Hi i want to be a pediatrician when i grw up so what course should i take in college ? im already in 3rd yr high school... in the philippines , as for me , i surpassed the k12 before they implement it and the next yr we our batch will be the lasy 4th yr hgh school students to ...

**Correction**

Not understanding how to answer this You pore over the present evaluation: two intoxicated college females, one DUI and the other trying to run from police officers, both with no prior arrest, and both nursing majors at the local college. As judge, you must decide whether to ...

**college chemistry**

DrBob222. when you move ice from zero to final T. Do you add 100 cal.?

**college chemistry**

a 42 piece of ice at 0.0 C is added to a sample of water at 8.0 C. all of the ice melts and the temperature of the water decreases to 0.0 C. how many grams of water were in the sample.

**College algebra**

Things did not go quite as planned. you invested $8,000, part of it in a stock that payed 12% annual interest. However the rest of the money suffered a 5% loss. If the total annual income for both investments was $620.

**Statistics**

WEB CALCULATOR EXERCISE Descriptive Statistics 1 The table below presents data for a sample of people who completed a religious survey. Age Gender Denomination Church Attendance 56 1 7 4 46 2 6 5 49 2 6 5 49 1 1 5 27 2 9 5 51 1 4 2 47 2 2 3 67 1 5 4 49 2 2 6 33 1 12 6 55 2 9 5...

**college physics**

To tighten a bolt, you push with a force of 76N at the end of a wrench handle that is 0.26m from the axis of the bolt. What torque are you exerting?

**American National Government**

The 2000 presidential election is an example of where it is possible to win the popular vote but not have a majority vote in the Electoral College. become President by losing both the Iowa Caucus and the New Hampshire Primary. become President without having a recount of ...

**4e college**

Maria a factorisé l'expression N=-12x^2+14x+48, elle a trouvé : (3x-8)(-4x-6), sans tableur a t'elle tord ou raison ? prouvez le. Cordialement merci

**College Algebra**

A compound inequality uses one of the words and or or. Explain how you will determine whether to use the intersection or union when graphing the solution set

**Columbia College**

A metal sphere is insulated electrically and is given a charge. If 50 electrons are added to the sphere in giving a charge, how many Coulombs are added to the sphere? Please show step by step...s

**neiu**

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 analysis. (Points : 6)

**Maths literacy,life science,history,geography**

I PASSED MATRIC ND I WAS DOING THESE SUBJECTS..I PASSED WITH DIPLOMA.....THIS WAS HOW I WORKED.....#MATHS LITERACY (LEVEL 3) #GEOGRAPHY(LEVEL 3) #HOME LANGUAGE(LEVEL 7) #ENGLISH(LEVEL6) #LO(LEVEL7) #LIFE SCIENCE(LEVEL3)#....I WANT TO KNW WHAT CAN I STUDY AT TUT OR AT COLLEGE.....

**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...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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. ...

**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?

**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?

**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 ...

**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

**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

**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: ______?

**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 ...

**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 ...

**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...

**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, 36000) (b...

**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 D(t) as ...

**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 D(t) as ...

**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.† (a) Find an equation that expresses the relationship between the wages earned (x) and the Social Security taxes ...

**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.

**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 references to use

**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.

**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 ...

**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)?

**College Alg.**

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

**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 ...

**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 student’s checking ...

**college algebra**

what is 7y-6=5y+44

**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

**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

**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

**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 different styles, but ...

**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 <-- ...

**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, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a discount rate of 14.5...

**college algebra**

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

**College geometry**

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

**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...

**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...

**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

**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

**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

**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?

**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 student’s checking ...

**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

**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?]

**Business English**

I need help writing this: You’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 describe one ...

**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.

**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.

**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?

**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.

**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?

**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?

**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.

**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)

**College Algebra**

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