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Homework Help: College

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college math
please help me write the equation and solve for it. 1).in a basketball game, eric made half as many free throws as dan. if the total number of free throws made by both men was 18, how many free theows did eric make?
Tuesday, September 27, 2011 at 1:53pm

statistics
at a certain college, there were 700 science majors,100 engineering majors and 500 business majors. if one student was selected at random, the probability that they are an engineering major is?
Tuesday, September 27, 2011 at 12:15pm

Final Draft, English essay
Hey could you please check this. It is supposed to be an illustrated essay. Is it illustrated enough? _______________ Illustration essay: Successful student The value of education has really fallen in the past years; some say college is hard to cope with and some do not even ...
Tuesday, September 27, 2011 at 7:51am

College Physics
The roller coaster in Figure P6.36 starts with a velocity of 15.4 m/s. One of the riders is a small girl of mass 30 kg. Find her apparent weight when the roller coaster is at locations B and C. At these two locations, the track is circular with the radii of curvature given in ...
Monday, September 26, 2011 at 10:50pm

College Physics
A 2.0 m diameter merry-go-round is initially turning with a 4.2 s period. It slows and stops in 22.0 seconds. Before slowing, what is the speed (in m/s) of a child on the rim? How many revolutions does the merry-go-round make as it stops?
Monday, September 26, 2011 at 3:28pm

English essay final draft.
HEY I FINISHED MY FINAL DRAFT, DONE EDITING TOO. COULD YOU PLEASE CHECK IT AND TELL ME IF THIS ESSAY IS ILLUSTRATIVE ENOUGH? Illustration essay: Successful student The value of education has really fallen in the past years; some say college is hard to cope up with and some do ...
Monday, September 26, 2011 at 1:22pm

College Algebra
Let g(x) = -2x2 + bx + c be a quadratic function, defined everywhere, where b and c are constants. If x = 1 marks the location of one of the zeros of this quadratic function, and if the y-intercept of this function is at (0, 5), then use this information to name constant b.
Monday, September 26, 2011 at 9:44am

College Algebra
Let h(12) = -100 for some function h(x), defined everywhere. If the average rate of change of h(x) from x = 12 to x = 20 is 50, then find h(20).
Monday, September 26, 2011 at 9:44am

College Algebra
Let g(x) = x3 - 12x + 16. Find the location of the local minimum of this function (there is only one such location). Evaluate function g(x) at the x-value of the ordered pair location of this local minimum.
Monday, September 26, 2011 at 9:44am

English
I AM DONE WITH MY ESSAY : Could some one please read it and tell me if it is correct Illustration essay: A successful student The value of education has really fallen in the past years, some say college is hard to cope up with and some do not even bother trying. The truth is ...
Monday, September 26, 2011 at 9:16am

college Algebra
Let g(x) = -2x2 + bx + c be a quadratic function, defined everywhere, where b and c are constants. If x = 1 marks the location of one of the zeros of this quadratic function, and if the y-intercept of this function is at (0, 5), then use this information to name constant b.
Monday, September 26, 2011 at 12:38am

College Algebra :(
Sketch the graph of y=mx for the given values of m. m=3,-2,2/3,-1/4 please help me, I'm so confused!
Monday, September 26, 2011 at 12:28am

College Algebra
Let h(12) = -100 for some function h(x), defined everywhere. If the average rate of change of h(x) from x = 12 to x = 20 is 50, then find h(20). Type your numerical response in the space provided. Do not type in any of the processes which you utilized to arrive at your response.
Monday, September 26, 2011 at 12:08am

College Algebra 2
Find the equation of variation in which y varies jointly as x and z and y=8, x=4 and z=2
Sunday, September 25, 2011 at 11:39pm

College Algebra 2
The speed of train A is 16 mph slower than train B. Train A travels 190 mph in the same time it takes train B to travel 270 miles. Find the speed of each train.
Sunday, September 25, 2011 at 10:40pm

College Algebra 2
To determine the number of deer in a game preserve, a conservationist catches 810 deer, tags them and lets them loose. Later 684 deer are caught; 171 of them are tagged. How many deer are in the preserve?
Sunday, September 25, 2011 at 10:32pm

College Algebra 2
To determine the number of deer in a game preserve, a conservationist catches 810 deer, tags them and lets them loose. Later 684 deer are caught; 171 of them are caught. How many deer are in the preserve?
Sunday, September 25, 2011 at 9:57pm

College Algebra 2
The number of kilograms of water in the human body varies dirctly as the mass of the body. An 84-kg person contains 64-kg of water. How many kg of water is in a 63-kg person?
Sunday, September 25, 2011 at 9:51pm

essay
can someone critique my short college admission essay and if so how do I submit it
Sunday, September 25, 2011 at 8:58pm

College Algebra 2
4<2x-16<14
Sunday, September 25, 2011 at 7:02pm

College Algebra
Matt scored 75 on the calculus midterm. If the final exam counts twice as much as the midterm exam, then for wht range of scores on the final would Matt get an average between 81 and 92?
Sunday, September 25, 2011 at 7:01pm

College Chemistry
One liter of benzene (C6H6) is completely burned (oxidized) with air. Write a balanced chemical equation to represent this reaction.
Sunday, September 25, 2011 at 5:57pm

English
Illustration essay: Succesful student In order to be succesful college student must be punctual to class and dedicated to his work. For instance if a student is punctual and comes to class daily : He will be constantly reminded of the upcoming assignments If a student is ...
Sunday, September 25, 2011 at 8:50am

college Algebra
Let g(x) = x3 - 12x + 16. Find the location of the local minimum of this function (there is only one such location). Evaluate function g(x) at the x-value of the ordered pair location of this local minimum.
Sunday, September 25, 2011 at 1:50am

Pre-Calc
Can anyone direct me to learn more about polar coordinates. I'm in online college course and really am confused. In high school, I never heard of polar coordinates. Like they say is the following the graph of point (3,15) and show it on polar grid-I don't get it at all...
Saturday, September 24, 2011 at 4:34pm

MATH
Can someone please HELP me figure this out? According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were ...
Saturday, September 24, 2011 at 11:29am

College Chemistry
If 10 mL of 1M NaOH are added to one liter of a buffer that is 0.3 M acetic acid and 0.2 M sodium acetate (Na+CH3COO-), how much does the pH change? The pKa for acetic acid is 4.76.
Friday, September 23, 2011 at 10:38pm

College Chemistry
What is the pH when 10 mL of 1 M acetic acid is added to pure water so that the final volume is 100 mL? The Ka for acetic acid is 1.74 x 10^(-5)
Friday, September 23, 2011 at 10:37pm

college physics
The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, as the force vectors in the drawing indicate. If the coefficient of static friction between a crutch and the ground is 1.21, determine ...
Thursday, September 22, 2011 at 4:40pm

Math Help
According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were placed into a drum and one (1) name was ...
Thursday, September 22, 2011 at 8:22am

PROBABILITY
R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a college education is important to succeed in the business world. If a random sample of five Americans is s selected, find these probabilities. (a) Exactly two people will agree with...
Wednesday, September 21, 2011 at 7:15am

College Physics
When searching for gold, measurements of g can be used find regions within the Earth where the density is larger than that of normal soil. Such measurements can also be used to find regions in which the density of the Earth is smaller than normal soil; such regions might ...
Wednesday, September 21, 2011 at 12:16am

college physics
A certain person's eye measures 24.0 mm from the pupil to retina. (a) If we treat the eye's lens as a thin lens, what is its focal length when the person focuses on a pencil 44.3 cm from the eye? (b) While the person focuses on the pencil, what is the image distance ...
Monday, September 19, 2011 at 9:05pm

statistics
once again I am not getting this. assume that the population of heights of male college students is normally distibuted with a mean of 69.09 and standard deviation of 4.71. A random sample of 92 heights is obtained. find the mean and standard error of the x distribution. find ...
Monday, September 19, 2011 at 7:40pm

College English
I need to write a 700 word essay on what my name means. Can I please get some help!!!
Monday, September 19, 2011 at 7:02pm

statistics
1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking Biology. Thirty percent are taking both Biology and Algebra. A student from the group is selected at random, calculate the following: a) The ...
Sunday, September 18, 2011 at 11:58pm

College Physics
The Daytona 500 stock car race is held on a circular track that is approximately 2.25 miles long, and the turns are banked at an angle of 32.5°. It is currently possible for cars to travel through the turns at a speed of about 189 miles per hour. Assuming that these cars ...
Sunday, September 18, 2011 at 10:37pm

statistics
In a certain college, 55% of the students are women. Suppose, we take a sample of two students. Use a probability tree to find the probability that at least one of the two students is a woman.
Sunday, September 18, 2011 at 10:18pm

HUM/176
Final Assessment Due 9-18-11 11:59 Arizona time Answer each question below. Answers should be at least 100 words per question. Answers should be in your own words. Any direct quotes must be properly identified. Each answer should include at least one citation for a credible, ...
Sunday, September 18, 2011 at 10:12pm

College Algebra
a hardware store owner chooses to enclose an 800 square foot rectangular area in front of her store so that one of the sides of the store will be used as one of the four sides of the fence. if the two sides that come out from the store front cost $3 per running foot and the ...
Sunday, September 18, 2011 at 2:44pm

College Algebra
If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false
Sunday, September 18, 2011 at 11:47am

college algebra
The average rate of change of g(x) = 2^(x-1) from x = 2 to x = 6 is 7.5.
Sunday, September 18, 2011 at 11:38am

college algebra
The average rate of change of g(x) = 2x-1 from x = 2 to x = 6 is 7.5. true or false
Sunday, September 18, 2011 at 11:11am

college algebra
If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false
Sunday, September 18, 2011 at 10:42am

College Physics
Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and knows that the fastest he can ...
Sunday, September 18, 2011 at 12:00am

statistics
Pleas HeLp!!!!!!!!!! A random sample of the test scores of 100 applicants for college entry at a large junior college showed a mean score of 72.6. Determine a 99%, 95%, and 90% confidence interval for the m mean score of all applicants at the junior college. Assume the ...
Saturday, September 17, 2011 at 10:00pm

college physics
A 4.5 cm long insect is perpendicular to the optical axis of a thin lens; the bug is 5.4 cm away from the lens. The lens forms an inverted image of the insect which is 0.9 cm long on a screen behind the lens. a. How far behind the lens is the screen? b. What is the lens' ...
Saturday, September 17, 2011 at 9:05pm

College Math
r^2+10r-23=0 I used the quadratic formula and I got a -5+2√12 However the real answer is -5+4√3 What am I doing wrong?
Saturday, September 17, 2011 at 2:03pm

CRT 205
Can someone review this and let me know if it is acceptable?? This class was so hard and it has been all i can do to pass it! Here is the article i chose Addiction Is a Choice, Not a Disease Addiction , 2009 Content Level = Intermediate Dale Netherton, "It's Not ...
Saturday, September 17, 2011 at 1:04am

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

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