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July 30, 2014

Homework Help: College

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College Chemistry I
A method for recycling scrap aluminum converts it to alum [potassium aluminum sulfate dodecahydrate, KAl(SO4)2·12H2O]. What is the maximum amount of alum (in metric tons) that can be prepared from 3.12 metric tons of scrap aluminum (1 metric ton = 1000 kg)?
Friday, September 16, 2011 at 11:23am

intermediate algebra
A university bookstore recently sold a wirebound graph-paper notebook for $2.15, and a college-ruled notebook for $3.43. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $134.38. How many of each type were sold?
Thursday, September 15, 2011 at 8:07pm

college algebra
Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x ≥ 0. describe the meaning of the number -.1 in the formula, in terms of its meaning in relation to the profit. describe the meaning of the ...
Thursday, September 15, 2011 at 7:54pm

college chem
How many moles of O are needed to combine with 0.223 mole of C to form the following compounds? CO CO2
Thursday, September 15, 2011 at 6:55pm

College Speech
I need help with an introduction speech, and I have no idea how to do it. By the way I'm writing about my classmate, and I have some basic information about her.
Wednesday, September 14, 2011 at 4:33pm

English
My answers: 1. Enhance 2. Discern 3. Mobile 4. Orient 5. Attributes 6. Exemplify 7. Dispatch 8. Enigma 9. Attest 10. Nocturnal 1-2 Because Helen Keller could not hear or see, the keenness of her other senses was____(e)d by use. It is said that she could___ who was in the room ...
Wednesday, September 14, 2011 at 11:29am

econ
Consider the following costs that a student incurs by attending a public university for one semester: $3,000 for tuition, $1,000 for room and board, $500 for books and $3,000 in after-tax wages lost that the student could have earned working. What is the total opportunity cost...
Wednesday, September 14, 2011 at 10:57am

College Physics
Vector Algebra let A vector=6ihat+3jhat, B vector= -3ihat-6jhat D vector=A vector-B vector what is D vector? Thank You!
Tuesday, September 13, 2011 at 8:37pm

college algebra
The goal of this problem is to solve the equation by completing the square. x^2-9x+14=0
Tuesday, September 13, 2011 at 5:42pm

College Algebra
Annual profit in thousands of dollars is given by the function, P(x) = -.1x2 + 50x - 300, where x is the number of items sold, x ≥ 0. describe the meaning of the number -.1 in the formula, in terms of its meaning in relation to the profit. describe the meaning of the ...
Tuesday, September 13, 2011 at 5:30pm

College Math
1. The posted speed limit on many US highways is 65 miles per hour. What is this speed in feet per second? 2. 3(3/4) yd is equal to how many inches?
Tuesday, September 13, 2011 at 3:42pm

college itro to sociology
Write a paragraph (8-12 sentences) describing an experience where your sociological perspective changed your perception of what was going on. How did this even affect your life? Why is the concept of Sociological perspective (imagination) important in understanding society? I ...
Tuesday, September 13, 2011 at 11:53am

college algebra
Perform the indicated operation(s) and express the result in standard form. Leave answers in terms of square roots (do not use decimals). (-9-sqrt-3)^2
Tuesday, September 13, 2011 at 11:11am

college algebra
Find the product and enter the real and imaginary parts below. Note that you do not need to type in the since it is already given to you. Simplify your square roots as much as possible. sqrt-27((sqrt-5)-(sqrt-11))
Tuesday, September 13, 2011 at 11:10am

college physics
I know you need to use geometry but i don't know how a room which is h = 9.0 feet tall and r = 12.0 feet wide. Attached to the ceiling is a piece of glass (with unknown index of refraction) which is 2.5 feet thick. A laser pointer in the bottom left corner is aimed so that...
Tuesday, September 13, 2011 at 10:18am

College Physics
A roofing tile falls from rest off the roof of a building. An observer from across the street notices that it takes 0.35 s for the tile to pass between two windowsills that are 2.45 m apart. How far is the sill of the upper window from the roof of the building?
Monday, September 12, 2011 at 10:43pm

College Physics
A person riding a bicycle on level ground at a speed of 10.6 m/s throws a baseball forward at a speed of 19.1 m/s relative to the bicycle at an angle of 41° relative to the horizontal (x) direction. (a) If the ball is released from a height of 1.3 m, how far does the ball ...
Monday, September 12, 2011 at 9:50pm

College Physics
A batted baseball is hit with a velocity of 47.3 m/s, starting from an initial height of 8 m. Find how high the ball travels in two cases: (a) a ball hit directly upward and (b) a ball hit at an angle of 70° with respect to the horizontal Also find how long the ball stays ...
Monday, September 12, 2011 at 7:08pm

Literacy
Please check my work. Thank you. 1. According to FedStats, what was the number of building permit in 2007? A. 61,617 B. 54,059 C. 496,686 D. 1,500,173 Answer #1 is D. 2. Which of the following is a primary source? A. Newspaper article published in the 1980s that reports on an ...
Monday, September 12, 2011 at 1:52pm

College Algebra
Did I describe the meaning of this formula correctly, P(x)=12x+10,000? That it is the base amount which is added on to get this result. In other words, by operating generates 10,000. no matter how long it is continued.
Monday, September 12, 2011 at 1:38pm

College Physics
A batted baseball is hit with a velocity of 47.3 m/s, starting from an initial height of 8 m. Find how high the ball travels in two cases: (a) a ball hit directly upward and (b) a ball hit at an angle of 70° with respect to the horizontal. Also find how long the ball stays...
Monday, September 12, 2011 at 1:10pm

College CHEM
Name for Sn(BrO3)
Monday, September 12, 2011 at 1:01pm

College Physics
Consider a rock thrown off a bridge of height 78.5 m at an angle è = 25° with respect to the horizontal as shown in Figure P4.20. The initial speed of the rock is 15.6 m/s. Find the following quantities: (a) the maximum height reached by the rock (b) the time it ...
Monday, September 12, 2011 at 1:49am

Comp 156
What might you do to provide yourself with the best opportunity to succeed when writing your college papers?
Monday, September 12, 2011 at 12:52am

College Physics
A cable attached to a block of mass 16.35 kg pulls the block along a horizontal floor at a constant velocity. If the tension in the cable is 9.36 N, what is the coefficient of kinetic friction between the block and the floor? not sure how to do this one ... I am thinking I use...
Monday, September 12, 2011 at 12:02am

College Physics
Two children are playing on a 178.2 m ­tall bridge. One child drops a rock (initial velocity zero) at t = 0 . The other waits 2.7 s and then throws a rock downward with an initial speed v0. If the two rocks hit the ground at the same time, what is v0 ? for the first rock i...
Sunday, September 11, 2011 at 10:58pm

College Physics
A hockey puck slides with an initial speed of 43.2 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.036, what is the speed of the puck after 10.4 s?
Sunday, September 11, 2011 at 10:23pm

chemistry
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. Explain the chemical process that occurred in ...
Sunday, September 11, 2011 at 9:42pm

College Physics
A constant force of 2854 N acts on a spacecraft of mass 6100 kg that has an initial velocity of 32 m/s. How far has the spacecraft traveled when it reaches a velocity of 1170 m/s? I used: Vo=32 m/s, Vf=1170 m/s, F= 2854 N, and mass= 6100 kg I then solved for a by taking N/kg...
Sunday, September 11, 2011 at 7:35pm

college
Evaluate the difference quotient for the given function. Simplify your answer. f(x) = 3 + 5x − x2, f(4 + h) − f(4) h
Sunday, September 11, 2011 at 6:22pm

College Geometry
A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the reflecting pool? What is the Area if the grass?
Sunday, September 11, 2011 at 5:48pm

College Algebra (Functions)
The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}
Sunday, September 11, 2011 at 12:48pm

College Algebra
The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}
Sunday, September 11, 2011 at 11:06am

college english -- rhetorical analysis of an ad
my homework is to find an advertisement, website or magazine cover that is rhetorically interesting and persuasive. we have to write an essay analysis of 2 pages to show how the text works to persuade its audience. consider the following questions. 1)what is the persuasive aim...
Sunday, September 11, 2011 at 2:19am

College Algebra
It takes Todd 3 hours longer than Tom to paint a 4x5 feet bedroom. Working together, both can complete the job in two hours.How long does it take each one to complete the painting job working alone?
Saturday, September 10, 2011 at 6:05pm

Comm 100 college
Which of the following statements is true concerning finding similarities? 1. An accurate way to assess similarities is to focus on appearance and clothing. 2.Once you find similarities, you can assume the other person will have similar views on most issues. 3.It is important ...
Friday, September 9, 2011 at 8:56pm

College Math
Sales at a computer retail store were $1,000,000 in 1982 and $1,790,000 in 1987 let x=0 represent 1982 find the equation giving year sales. estimate sales in 1990. Could you guys help me with this.
Friday, September 9, 2011 at 5:31pm

College Math
A card is selected from a standard deck of 52 playing cards. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). Find the probability of selecting · an even number ten or less given the card is a not a heart. · a five given the ...
Friday, September 9, 2011 at 1:41pm

College Math
Sales at a computer retail store were $1,000,000 in 1982 and $1,790,000 in 1987 let x=0 represent 1982 find the equation giving year sales. estimate sales in 1990. Could you guys help me with this.
Friday, September 9, 2011 at 1:03pm

reading
Could 8th grades books to read? I am more on a college/highschool reading level but i need the appropriateness for an 8th grader. thanks.
Friday, September 9, 2011 at 7:43am

college math
write the decimal as a fraction or a mixed number. write your answer in simplest form. .3282 so far i got this, 3282/100,000 then simplified to 1641/50,000
Friday, September 9, 2011 at 2:02am

college physics
a man is traveling at 43 km per hour , a child jumps out in front of his car 13 meters ahead , with a deceleration rate of 8 meters per second squared, and a reaction time of .5 seconds , will the man stop before hitting the child
Thursday, September 8, 2011 at 10:58pm

College Calculus
The graph A(x) has points (-3,0), (0,-2), (1,0) and (2,3). If C(x) is defined by C(x)=A(2x+3), then what is the domain and range of C and how would the graph of C(x) look like? Also, is there any way to find what the actual equation of A(x) is with the points listed above? ...
Wednesday, September 7, 2011 at 4:15pm

college algerbra
2bx3 + 3bx2 − 18bx −27b
Tuesday, September 6, 2011 at 11:07pm

college math
given the bar graph below create a grouped frequency distribution. the graph is numbered up the side by twos to 22, along the bottom there are countries that go up to a number. united states up to 10 argentina up to 22 united kingdom up to just under the ten phillipines is ...
Tuesday, September 6, 2011 at 7:31pm

stats
The college student's average age is 33 and 42% are minority. How do I verify these claims without using a college website.
Tuesday, September 6, 2011 at 6:31pm

College Statistics
The brightness of sunlight at the earth's surface changes over time depending on whether the earth's atmosphere is more or less clear. Sunlight dimmed between 1960 and 1990. After 1990, air pollution dropped in industrial countries. Did sunlight brighten? Here are data...
Tuesday, September 6, 2011 at 1:07am

College statistics
Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students. The result for ...
Monday, September 5, 2011 at 10:38pm

college algebra
10 1/2 of what number is 42.
Sunday, September 4, 2011 at 5:49pm

college algebra
suppose you invest $15,000 in two funds paying 11 1/2%and 14% simple interest. the total annual interest is $1950. how much is invested in each fund?
Sunday, September 4, 2011 at 5:44pm

college algebra
solve for C makeup: S=C+RC
Sunday, September 4, 2011 at 5:40pm

College Algebra
Value of Computer Software The value V, in dollars, of a shopkeeper's inventory is software program is given by V=-50t + 300, where t is the number of years since the shopkeeper first bought the program. SHOW YOUR WORK for a and c. a) Find the value of the software after 0...
Sunday, September 4, 2011 at 5:05pm

math
The table below gives the total spectator attendance for various U.S. sports in 1997. Sport Attendance (millions) Pro Baseball 64.9 College Basketball (Men’s) 27.7 College Basketball (Women’s) 6.7 Pro Basketball (Men’s) 21.7 College Football 36.9 Pro Football 14...
Sunday, September 4, 2011 at 12:10pm

math
State College's baseball team had the following scores in their last 8 games: 14, 5, 6, 0, 6, 9, 6, and 15. Determine to the nearest tenth the mean of these scores.
Sunday, September 4, 2011 at 12:09pm

college meth
Find the value of the expression. -128 divided by 4square plus 6 minus 1
Sunday, September 4, 2011 at 8:56am

survey of mathematics
in a survey of 24 college student,it was found that 16 were taking and english class,17 were taking math class,and 10 were takin both english nad math.how many student were taking a math class only.
Saturday, September 3, 2011 at 2:36pm

College Precalculus
What is the domain of square root(14x/x^2-121)
Friday, September 2, 2011 at 10:20pm

College Precalculus
What is the domain of (1)/square root(7x+17)?
Friday, September 2, 2011 at 10:18pm

College Basic Math
11. Write as a decimal. 9% a.0.9 b. 0.09 c. 0.009 d. 9 i think its B
Friday, September 2, 2011 at 3:02pm

College Basic Math
Round to nearest hundred? 483.9 a. 400 b. 484 c. 480 d. 500 I think its A
Friday, September 2, 2011 at 2:55pm

Comm 100 college
Which of the following are included in listening to evaluate? A.separate facts and inferences B.take down notes on everything the speaker says C.try to put yourself in the speaker's shoes D.identify pertinent information we want to remember A?
Thursday, September 1, 2011 at 11:24pm

College Pre Calculus
anne and nancy use a metal alloy that is 19.3% copper to make jewelry. how many ounces of a 19% alloy must be mixed with a 20% alloy to form 110 ounces of the desired alloy?
Thursday, September 1, 2011 at 4:46pm

College Algebra
The school play sold 498 tickets. Students paid $3.50 each, while non-students paid $5.50 each. If a total of $2121.00 was collected, how many students and how many non-students attended?
Thursday, September 1, 2011 at 1:10pm

College Math
Ed Moura has $29,000 invested in stocks paying 5%. How much additional money should he invest in certificates of deposit paying 2% so that the average return on the two investments is 3%?
Thursday, September 1, 2011 at 9:12am

College Algebra
Graph the equation in the standard window and in the given window. Determine which window better shows the shape of the graph and the x- and y- intercepts: y= -2x + 24 [-15,15, -10,30] Xscl =3 Yscl =5
Wednesday, August 31, 2011 at 12:56am

com 155
1. A lot of people don’t have wills. Everyone needs a will, but not all people have one. Wills are important because they explain who gets your stuff after you die. You don’t want your things going to someone you don’t want them to go to. My Aunt Martha went to...
Monday, August 29, 2011 at 2:05am

teachers aide curriculum comtent
when are children first developmentally ready to begin learning science? (a)kindergarten (my answer) (b)fifth grade (c)junior high (d)high school according to recent science curriculum guidelines what percent of class time should students spend in hands on learning experiences...
Saturday, August 27, 2011 at 9:39am

College Algebra
A merchant blends tea that sells for $5.45 a pound with tea that sells for $2.45 a pound to produce 80 lb of a mixture that sells for $3.95 a pound. How many pounds of each type of tea does the merchant use in the blend? lb (at $5.45/lb) lb (at $2.45/lb)
Friday, August 26, 2011 at 9:12am

English
In the song: How Come, How Long By: Stevie Wonder... 1) What are the two types of abuse evident in the song? 2) Discuss the meaning of the line "she had a college degree, smart as anyone could be; there was not enough education in her world that could save the life of ...
Monday, August 22, 2011 at 10:41pm

business
i have a problem with this question my teacher gave me. i don't know what to write for the answer. the problem: there is a girl named Jane who is hired as the head of the payroll department at R& S Electronic company, firm of 75 employees. she is hired by Eddi the general ...
Monday, August 22, 2011 at 5:04pm

English
In the song: How Come, How Long By: Stevie Wonder... 1) What are the two types of abuse evident in the song? 2) Discuss the meaning of the line "she had a college degree, smart as anyone could be; there was not enough education in her world that could save the life of ...
Monday, August 22, 2011 at 8:11am

college
Write the equation for the following situation: In one U.S. town, the annual consumption, s, of sugar (in kg per person) can be estimated by adding 30 to half the years, t, since 1975. Then graph the equation and use the graph to determine the sugar consumption in the year 1991.
Sunday, August 21, 2011 at 7:39pm

social psychology
Explain how a college education will change or modify your self-schema.
Saturday, August 20, 2011 at 2:10am

St. Mary's College
I arrived on Barbados on 12/09/99
Wednesday, August 17, 2011 at 9:23am

stats.& Prob
Astudy shoed 53% of college applications were submitted online. Assume this result is based on sa simple random sample of 1000 applications with 530 submitted online. Use 0.01 sig.level to test claim that among all student applications the percentage submitted online is equal ...
Monday, August 15, 2011 at 1:52pm

math
Four-year -college tuition. The average tuition at a public four-year college was $3983 in 2001 and $5948 in 2005. Find the rate at which tuition was increasing.
Monday, August 15, 2011 at 7:32am

college math
Mercury orbits the Sun at an average distance of 35,554,100 mi. Round 35,554,100 to the nearest ten thousand. (Points: 5) a.35,554,100 b.35,550,000 c.35,554,000 d.36,000,000 is it C
Sunday, August 14, 2011 at 4:16pm

college math
It is estimated that between 1815 and 1975 some 2,580,071,000 copies of the Bible were printed. Write the word name for 2,580,071,000. (Points: 5) a. Two billion, five hundred eighty million, seventy-one thousand b. Two, five hundred eighty million, seventy-one thousand c. Two...
Sunday, August 14, 2011 at 4:06pm

US/ 101
Have you ever used mnemonics to remember something complicated? If so, describe the techniques you have used. What ways might you use mnemonics to be a more effective college student and adult learner?
Sunday, August 14, 2011 at 9:47am

college writing
Instructions: revise to remove fragnments and/or parallelism errors. ?1. I like basebal because it is fun and teaches me about the sport.
Friday, August 12, 2011 at 9:17pm

College Algebra
A ball is thrown up from a twelve foot platform with an initial velocity of 112 feet/second. The formula that describes the height of the ball in terms of time is: f(t) = -16t^2+112t+12. Determine the time at which the ball reaches its maximum height. Determine the maximum ...
Thursday, August 11, 2011 at 11:35am

Physics _ College
A 50 cm long hollow glass cylinder is open at both ends and is suspended in air. A source of sounds that produces a pure frequency is placed close to one end of the tube. The frequency is placed close to one end of the tube. The frequency of the sound source is slowly ...
Wednesday, August 10, 2011 at 1:37pm

College statistics
Statistical Abstracts (117th edition) reports sale price of unleaded gasoline (in cents per gallon) at the refinery. The distribution is mound-shaped with mean μ = 80.04 cents per gallon and standard deviation, σ = 4.74 cents per gallon. (a) Are we likely to get ...
Wednesday, August 10, 2011 at 9:44am

College Physics
Two balls have masses 44 kg and 86 kg. The 44 kg ball has an initial velocity of 80 m/s (to the right) along a line joining the two balls and the 86 kg ball is at rest. The 86 kg ball has initial velocity of −24 m/s. The two balls make a head-on elastic collision with ...
Tuesday, August 9, 2011 at 10:53pm

college algebra
1/4t + 3/5= 2/5 - t
Tuesday, August 9, 2011 at 10:36pm

math college
Find the perimeter and area of a right triangle if the shortest side is 16 in. and the longest side is 34 in. Include correct units with each part of your solution.
Tuesday, August 9, 2011 at 7:03pm

math
You have just graduated from college and landed your first big job. You have always dreamed of being a homeowner, and after carefully shopping for your dream home, you find one that you would like to purchase at a cost of $250,000. After researching banks to find the best ...
Monday, August 8, 2011 at 11:05pm

College Algebra
last year Lien earned $1,900 more than her husband. together they earned $59,100. how much did they both earn?
Monday, August 8, 2011 at 8:03pm

Physics 1 (college)
Chap. 7, #36. (II) A ball is dropped from a height of 1.50 m and rebounds to a height of 1.20 m. Approximately how many rebounds will the ball make before losing 90% of its energy?
Monday, August 8, 2011 at 11:52am

statistics
You have hired a polling organization to take a simple random sample from a box of 200,000 tickets and estimate the percentage of 1s in the box. Unknown to them, the box contains 50% 0s and 50% 1s. How far off should you expect them to be if they draw 50,000 tickets? Answer a...
Sunday, August 7, 2011 at 11:02pm

English
I really need help finding all the grammatical errors in the passage below. Look for commas, question marks, capitailzation and colons, semi-colons, commonly misused words. I did most of them I just need help in finishing. Students also realize that a traditional college ...
Saturday, August 6, 2011 at 6:06pm

Cre101
"All the great scientists have gone to college. Some of the great athletes have gone to college. Therefore, some great scientists are great athletes." This is an invalid argument. True? Bias can be recognized through___? a.use of poetic language b. dictionary ...
Saturday, August 6, 2011 at 5:43pm

Manageral accounting
Gallatin Carpet Cleaning is a small, family-owned business ooperating out of Bozeman, Montana. For its services, the company has always charged a flat fee per hundred square feet of carpet cleaned. The current fee is $28 per hundred square feet. However, there is some question...
Saturday, August 6, 2011 at 3:32pm

College Math
a conical tank is 15 feet deep and has an open top whose radius is 15 feet. Assume that starting at t = 0 water is added to the tank at a rate of pi ft^3/hr, and water evaporates from the tank at a rate proportional to the suface area with the constant of proportionality being...
Thursday, August 4, 2011 at 10:25pm

Math (Statistics)
Five college engineering students are choosing specialized fileds of engineering to study. Each student is allowed to select 1 field. The available fields are Electrical Engineering (EE), Mechanical Engineering (ME), and Computer Engineering (CE). If the second student does ...
Thursday, August 4, 2011 at 6:02pm

Algebra
This question has been posted before, unfortunately, I have been out of high school for over 40 years and out of college for more than 20. I am trying to help another old relic enrolled in distance learning (via long distance phone calls) but neither of us seem to know where ...
Thursday, August 4, 2011 at 2:21am

IT
I have asked my teacher for help several times but keep getting pathetic feedback. I will show you first what is expected from the assignment. He says that a five paragraph format is a great way to complete the essay but my paper has three sistuations I need to cover and the ...
Thursday, August 4, 2011 at 1:16am

college algebra
COMPOUNDS P=2500, r=12%, t=20yrs, n=2
Wednesday, August 3, 2011 at 9:26am

Algebra
I have to work out this equation for my college paper and I am having trouble understanding graphs, etc. The question is C=200+50 and C=300+25. Can anyone walk me through the steps on how to graph this?
Monday, August 1, 2011 at 6:01pm

Math
Below are the home states of 17 college professors. Ohio Georgia New Jersey Georgia Nebraska Michigan Ohio Pennsylvania South Carolina New Jersey New Jersey South Carolina Wisconsin Michigan Pennsylvania Ohio Wisconsin i. Make a frequency table using these 8 states: Georgia ...
Sunday, July 31, 2011 at 10:53pm

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