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September 1, 2014

September 1, 2014

Post a New Question | Current Questions

**college math**

divide 2x^2-8x19 byx-3
*Saturday, January 19, 2013 at 9:17pm*

**Math**

At a college basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the freshman to the number ...
*Saturday, January 19, 2013 at 2:50pm*

**College Algebra**

I need some help with a handful of questions. I need to see the steps on how to get to the final answers. I would also appreciate if you can explain how you got to those steps. Rationalize each expression by building perfect nth root factors for each denominator. Assume all ...
*Saturday, January 19, 2013 at 10:59am*

**Stadistics**

Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between a mother’s education and risk of a ...
*Saturday, January 19, 2013 at 10:29am*

**anatomy**

Ineed to get better organized for college and family. I am only taking 7 credit hours but i find my self staying up late to study. I'm taking anatomy and psysiology along with math 098. Please give me advice on creating a study schedule. Thank you
*Friday, January 18, 2013 at 9:03am*

**college chemistry**

A 0.300 g sample of an aspirin tablet is used to prepare 100.0 mL of a stock solution by dissolving the tablet in 1 M NaOH then diluting with distilled water to the 100 mL mark of a volumetric flask. A 0.30 mL sample of the stock solution is then transferred to a volumetric ...
*Thursday, January 17, 2013 at 4:21pm*

**One college algebra ?**

Hello I have a question about a problem. The problem is (- 25/9)^3/2. Its multiple choice however I think they are tricking us. A. 125/27 B. - 125/27 C. 125/3 D. Not a real number I got A as an answer but feel that it is not a real number?
*Wednesday, January 16, 2013 at 10:16pm*

**economics**

Jesse and Kimberly recently graduated from college and are starting a family. Currently, they are just making ends meet with their $45,000 salary. They want to contribute the maximum amount (currently $2,000) to fully fund an Educational Savings Account when their baby is born...
*Wednesday, January 16, 2013 at 9:31pm*

**College Algebra **

I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest terms. a+3/a^...
*Wednesday, January 16, 2013 at 10:04am*

**College Trigonometry**

From a point 200 yards from the foot of a building, the angle of elevation to the top of the building is 37 degrees. Find the measure of the angles of the triangle formed by the building, the ground, and the line of sight to the top of the building?
*Wednesday, January 16, 2013 at 6:01am*

**college algebra**

2a^2-3a=20 solve for a
*Tuesday, January 15, 2013 at 9:25pm*

**college algebra**

solve for x -4/3x-1<7
*Tuesday, January 15, 2013 at 8:50pm*

**college algebra**

(2x^3)^3/(-3x^5)^2
*Tuesday, January 15, 2013 at 7:44pm*

**College Algebra **

I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest terms. a+3/a^...
*Tuesday, January 15, 2013 at 4:44pm*

**College Algebra **

Last one for today! Again would appreciate a breakdown on how to get to a resolution. It is multiple choice. 1. Simplify the expression using the quotient to a power property. (3y^6/z^7)^3 a. 27y^9/z^7 b. 3y^9/z^10 c. 27y^18/z^7 d. 27y^18/z^21 2. Use a descriptive variable and...
*Tuesday, January 15, 2013 at 12:34pm*

**College Algebra **

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 4.Simplify the compound rational expression. Use either method. 1+(5/y-10)/y+(25/y-10) a. 1/y-5 b. 1/y+5 c. 6/y+25 d. 1/y+1/5 5.Simplify the ...
*Tuesday, January 15, 2013 at 9:35am*

**College Algebra **

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 1.Evaluate without a calculator, using the order of operations. -2^2+20-|8-20|-squareroot of 64 a. -36 b. 4 c. 28 d. -4 2.Simplify the ...
*Tuesday, January 15, 2013 at 9:33am*

**College Algebra**

I need some help with a few problems. They are multiple choice but need a breakdown on how I can work the problems. Thanks for your help! 1. Factor the trinomial completely. 10x^2 + 11x-6 a. (2x+3)(5x-2) b. (2x-3)(5x+2) c. (10x+3)(x-2) d. (2x+1)(5x-6) 2. Compute as indicated. ...
*Tuesday, January 15, 2013 at 8:47am*

**statistics**

Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between a mother’s education and risk of a ...
*Tuesday, January 15, 2013 at 1:46am*

**math**

Julia and Bianca both leave the college at the same time, but in opposite directions. If Bianca travels 9 mph faster than Julia and after 4 hours they are 140 miles apart, how fast is each traveling?
*Monday, January 14, 2013 at 11:12pm*

**College Algebra**

I need help factoring a problem and cant seem to get it right. The one I'm stumped on is 2x^2+7x+2. I have to compute as indicated and write final in the lowest terms. The whole problem is x^2-7x-18/x^2-6x-27*2x^2+7x+2/2x^2+5x+2
*Sunday, January 13, 2013 at 7:18pm*

**college algebra**

What are the zeroes of f(x) = 2x^2 -3x + 1
*Saturday, January 12, 2013 at 1:50pm*

**College Physics**

The masses of the earth and moon are 5.98 × 1024 and 7.35 × 1022 kg, respectively. Identical amounts of charge are placed on each body, such that the net force (gravitational plus electrical) on each is zero. What is the magnitude of the charge placed on each body?
*Thursday, January 10, 2013 at 9:17pm*

**College Algebra**

Write the equation of the circle in standard form. Find the center, radius, intercepts and graph the circle. x^2+y^2+14x+18y=-81
*Thursday, January 10, 2013 at 12:00pm*

**Math For College Readiness**

Simplify the Complex Fractions 1. 8a / 3b^2 / 6ab /5 2. 42x^2 + 14x / x - 7 / 2 + 6x / 21 - 3x 3. 9 + 3 / x / x / 4 + 1 /12 4. (x^-1 + x^-2)divided by (9x^-2) Ans. #1: 20 / 9 Ans. #2: 42x^2 + 6x + 4 / -2x + 14 Ans. #3: 144 / x / 3x + 1 I don't know how to do #4
*Wednesday, January 9, 2013 at 4:23pm*

**College English**

Describe how communication is a two-way process and explain why communication skills are paired.
*Tuesday, January 8, 2013 at 7:41pm*

**English-writeteacher **

Apologies for the re-post but it didn't seem like my last post would be answered. I'm writing a short story for english based on the painting Nighthawks and I would really like some feedback. Any type of feedback would be highly appreciated. I'm kind of stuck. ...
*Monday, January 7, 2013 at 8:46pm*

**English III short story**

I'm writing a short story for english based on the painting Nighthawks and I would really like some feedback. I'm kind of stuck. Thanks in advance! The Job They were just names. Just two insignificant names in the little black book, just like all the rest. Targets. ...
*Monday, January 7, 2013 at 7:15pm*

**college algebra**

let f(x) be polynomial function. explain how to use the factor theorem to check if x) is a factor of F(x)
*Friday, January 4, 2013 at 11:48am*

**For Kristy - re Hamlet**

http://www.jiskha.com/display.cgi?id=1357147928 and http://satomko.hubpages.com/hub/Fortinbras-as-a-Foil-for-Hamlet Do. Not. Plagiarize. If you are not clear on what plagiarism is and how NOT to plagiarize from a source, read through this entire webpage from ...
*Thursday, January 3, 2013 at 12:33am*

**College**

Difference between analytical and other instrumentation ? I want atleast 10points
*Tuesday, January 1, 2013 at 6:45pm*

**College**

Tmrw my exm plz give me soon reply ,about Measurment of viscosity and viscosity.
*Tuesday, January 1, 2013 at 6:33pm*

**Asworth college**

which of the sentences uses modifiers correctly? a. Kurt and his hockey teamm ates nearly cooked two hundred pancakes for the breakfast fundraising event. b. Rudolph enjoys eating curries from the indian delicatessen with a lot of spices. C. on the phone the telemarketer ...
*Tuesday, January 1, 2013 at 6:01pm*

**English - Personal Statement**

How do you write a good personal statement for acceptance? (Any topic). I drafted, but I did not know what to write about, so I just wrote about my sister :/ My sister and I are not alike in any way, we do not even share the same blood. Growing up though, I was always in her ...
*Sunday, December 30, 2012 at 4:03pm*

**college algebra**

Solve the following inequality. x^3+9x^2-108 less or equal to 0. Then write your solution in interval notation. I am sooo confused and do not have any idea how to do this. Can someone please show me step by step please??? Thanks in advance. Someone who is confused.
*Tuesday, December 25, 2012 at 6:27am*

**Math**

From a survey of 200 college students, a marketing research company found that 130 students owned iPhones, 70 owned cars, and 60 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? _______students (b) How many students do not own ...
*Sunday, December 23, 2012 at 4:20pm*

**Darton College**

Explain how the process of combining radicals through addition and subtraction is similar to combining polynomials. What make two radicals like radicals
*Friday, December 21, 2012 at 6:49pm*

**College Algebra**

Why is t= ln(2)/.04 the same as t= 25ln(2)? Please explain it step by step. What rule do you use or how do you change the .04 to the 25?
*Friday, December 21, 2012 at 2:34pm*

**College Algebra**

I have t = ln(2)/.04 and the book has the answer as 25ln(2) I know these are the same but please show me the steps to go from ln(20)/.04 to 25ln(2) What rules etc. make it so I can do that so I can do it on later problems Thank you
*Thursday, December 20, 2012 at 9:35pm*

**Grammar**

Am I using "into" properly in this sentence? Enrolling into college with an undecided major... I don't if I should use "to" or "into". Thanks :)
*Wednesday, December 19, 2012 at 12:02pm*

**Grammar**

Is this the right form of "to" in this sentence? I believe an education at XX College would give me the opportunity to hone my abilities and turn them into skills that can be translated to a successful career.
*Wednesday, December 19, 2012 at 11:49am*

**College Algebra**

Given the following rational functions,find:a.)the horizontal asymptote(s), b.)the vertical asymptote(s), if any,and c.) the oblique asymptote(),if any. f(x)=x(x-17)^2/(x+12)^3
*Tuesday, December 18, 2012 at 8:52pm*

**Math For College Readiness**

Simplify: (3w - 1) / (2w^2 + w - 3) - (2 - w) / (w - 1) - (w) / (1 - w)
*Tuesday, December 18, 2012 at 3:46pm*

**Interpersonal Communications**

Imagine that you are hosting a group of exchange students next term. You are responsible for welcoming the students to campus and acquainting the students with life on campus socially as well as academically. Develop a “Welcome Letter” for the visiting students. Keep...
*Tuesday, December 18, 2012 at 8:38am*

**college application**

i am using common app and they asked to write about : Indicate a person who has had a significant influence on you, and describe that influence. so is it only one person or could be more?
*Tuesday, December 18, 2012 at 8:00am*

**College Algrbra**

Given the following rational function, f(x)=x^2-x-2/ax^2-x-21 find (a) the horizontal asymptote(s) (b) the vertical asymptote(s), if any and (c) the oblique aasymptote(s) if any
*Monday, December 17, 2012 at 11:11pm*

**composition**

Develop a “Welcome Letter” for the visiting students. Keep in mind that the students have not lived in the United States nor attended a U.S. college before. What do they need to know about making and keeping friends here in the U.S.?
*Monday, December 17, 2012 at 9:08pm*

**College Algrbra**

Given the following quadratic equation, find a. the vertex b. the axis of symmetry. the intercepts d. the domain e. the range f. the interval where the function is increasing, and g. the interval where the function is decreasing h. Graph the function y=x^2-6x ...
*Monday, December 17, 2012 at 8:36pm*

**college algebra**

Given the following rational function, find a. the horizontal asymptote(s), b. the vertical asymptote(s), if any, and c. the oblique asymptote(s), if any. f(x)=(x^2-x-2)/(2x^2-x-10)
*Monday, December 17, 2012 at 6:18pm*

**Math For College Readiness**

Simplify: y - 3 / y - 2 - y + 1 / 2y - 5 + -4y + 7 / 2y^2 - 9y + 10
*Monday, December 17, 2012 at 3:38pm*

**college algebra**

Given the following quadratic equation, find a. the vertex b. the axis of symmetry c. the intercepts d. the domain e. the range f. the interval where the function is increasing, and g. the interval where the function is decreasing h. Graph the function. y=x^2+4x
*Sunday, December 16, 2012 at 10:23pm*

**social studies**

can you see if i have good grammar,usage, mechanics and spelling Job description: use various types of equipment, develop, secure, and packages. Physical evidence for scientific evaluation and comparison, prepares detailed reports on the observation and activities at the scene...
*Sunday, December 16, 2012 at 9:52am*

**statistics**

The accompanying multiple regression outputs estimate the following model: annual cost = 0 + 1(Type of School) + 2(Average Total SAT) where: annual cost = annual cost at a college in thousands of dollars Average Total SAT = average scholastic aptitude ...
*Sunday, December 16, 2012 at 2:09am*

**college physics**

have a couple of questions about my homework and it's due at midnight tonight: 1. On a hot summer day, the temperature of air in Arizona reaches 115°F. What is the speed of sound in air at this temperature? (Enter your answer to four significant figures. The speed of ...
*Saturday, December 15, 2012 at 8:11pm*

**Math**

One student studied for 8 years in college and her tuition bills are recorded. Years. One semester tuition 1. 4680 2. 4960 3. 5510 4. 6060 5. 6845 6. 7600 7. 8435 8. 9250 Construct the scatter plot for the data with the scales.choose 3 points,find a quadratic equation in ...
*Saturday, December 15, 2012 at 5:41pm*

**college trig word problem**

A Ferris wheel has a radius of 25 feet.The wheel is rotating at two revolutions per minute.Find the linear speed, in feet per minute, of a seat on this ferris wheel.
*Saturday, December 15, 2012 at 2:16am*

**english **

Which sentence avoids using a pronoun reference error? Al had a dog with fleas, which he was always scratching. When I called the college, they said they were still accepting applications. When Kara went to help her sister fix supper, she was very angry. none of the above
*Friday, December 14, 2012 at 11:18am*

**French**

Hi! This is my final French paper and I would be really appreciative if someone could look it over before I turn it in. Merci! Le Mariage de ma Mère et Michael Dans ma vie, je me souviens des évènements plus que les autres, et certains sont plus importants...
*Friday, December 14, 2012 at 12:52am*

**Intermediate college algebra**

Beer cans are right circular cylinders. My algebraic ale and logarithmic lager cans, from snide brewery, have dimensional units called brewskis. The have a volume (in cubic brewskis) equal to the solution of the number of grams of radium 226 remaining after 4860 years when the...
*Thursday, December 13, 2012 at 4:54am*

**Intermediate college algebra**

Beer cans are right circular cylinders. My algebraic ale and logarithmic lager cans, from snide brewery, have dimensional units called brewskis. The have a volume (in cubic brewskis) equal to the solution of the number of grams of radium 226 remaining after 4860 years when the...
*Wednesday, December 12, 2012 at 7:32pm*

**People**

who is a famous person who didnt go to college or didnt graduate high school and is in bad shape because of it. (aka is poor or cant get a job or turned into a criminal etc)
*Wednesday, December 12, 2012 at 4:49pm*

**College Algebra**

Rita has 88 feet of fencing. She wants to use this fencing to enclose a rectangular area of 480 square feet. What must the dimensions of her rectangular enclosure be?
*Wednesday, December 12, 2012 at 3:46pm*

**College Registration**

This is the first time I've had to register for a class to take on campus as I take everything online, so at the risk of sounding like a complete moron... What does "R" stand for when listed under the day of class? I am assuming that it is Thursday but I want to ...
*Wednesday, December 12, 2012 at 3:22pm*

**college algebra**

water from a tank is being used for irrigation while the tank is being filled. The two pipes can fill the tank in 6h and 8h, respectively. the outlet pipe can empty the tank in 24h. How long would it take to fill the tank with all three pipes open? round the answer to the ...
*Wednesday, December 12, 2012 at 12:43pm*

**college physics**

You are on a ladder painting your house. You accidentally drop a bucket of paint weighing 10lb from a height of 17ft. With what speed do the paint and bucket hit the rose bushes below? Would it be different if you dropped your paintbrush weighing 1/2 lb instead? b) what color ...
*Wednesday, December 12, 2012 at 11:48am*

**College Statistics**

What would be the range of impact of an individualized travel marketing program that covers 200,000 workers in Denver by 2022? The program would inform workers about mass transit options. Assume each worker drives 17.5 miles one way, 5 days a week with an average fuel economy ...
*Tuesday, December 11, 2012 at 11:55pm*

**college algebra**

Question 638522: Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. For example, if you were asked to graph y= x^2+ 1 using transformations, you would show the graph of y = x^2 and the graph shifted ...
*Tuesday, December 11, 2012 at 8:33pm*

**college algebra**

Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. For example, if you were asked to graph y= x^2+11 using transformations, you would show the graph...
*Tuesday, December 11, 2012 at 8:06pm*

**college physics**

a large cuckoo clock has a pendulum with a period of 1.0 sec. The clock loses 10 min a day. how would you fix it? (Hint: change l) a. Find the length l of the pendulum. b. How much adjustment in l, up or down, is needed?
*Tuesday, December 11, 2012 at 7:51pm*

**Boston College**

Suppose that the population of weights of airline passengers has mean 150 lbs. and standard deviation 25 lbs. A certain plane has a capacity of 7,800 lbs. (a) What is the probability that a flight of 50 passengers will exceed capacity it? (b) If we wish to reduce the chance of...
*Tuesday, December 11, 2012 at 7:31pm*

**english**

college graduation rates in USA and education statistics.
*Monday, December 10, 2012 at 10:13pm*

**college algebra**

Given the function f(x) = x^3+ 3x Find the rate of change between the two stated values for x: 1 to 2 Find the equation of a secant line containing the given points: (1, f(1)) and (2, f(2))
*Monday, December 10, 2012 at 9:08pm*

**math**

Liam borrowed a sum of money from his parents as an interest free loan to help him pay college. We know that 6 months into the loan,owned 17,900 and that 15 months into into the loan he owned 14,750. 1. What is the original amount? 2. How long will it take to pay back? Please ...
*Monday, December 10, 2012 at 8:05pm*

**college biology**

if you have a father who is type A heterozygote blood and married to a woman who is type B heterozygote blood, find all the children's possible blood types and ratios.
*Sunday, December 9, 2012 at 8:15pm*

**college physics**

a bullet of mass 8g is fired into a block of mass 260g that is initially at rest at the edge of a table of height 1m the bullet remains in the block and after the impact the block land d=2.20m for the bottom of the table. determine the speed of the bullet
*Sunday, December 9, 2012 at 1:35pm*

**college algebra, Please help!!**

find the line with the given properties. Parellel to the line 7x-y= -7; containing rhe point (0,0) plz show work
*Sunday, December 9, 2012 at 8:20am*

**college algebra-plz help**

a circle has the equation 3(x-5)^2_3y^2=12. Find the center and radius and graph the circle. find the intercepts, if any. plz show work
*Sunday, December 9, 2012 at 6:50am*

**college algebra, Please help!!**

a circle has the equation x^2+y^2+6x-6y-46=0 find the center and the radius of the euation. If there are any intercepts list them.
*Sunday, December 9, 2012 at 3:31am*

**college algebra--need help please!!**

write the standard form of the equation and the general form of the equation of the circle with radius r and center (h,k) r=10; (h,k)=(8,-6)
*Sunday, December 9, 2012 at 3:18am*

**business analysis**

Jacksonville Technical College received 3,445,553 in state aid on September 15 for the fall semester, 2,000,000 was invested on a 2 month investment that pays 11.5% interest. How much interest will be earned?
*Saturday, December 8, 2012 at 7:01pm*

**skyiline college**

A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 2.00g of the compound produced 2.868 g CO2 and 1.567 g H2O. In another experiment, 0.1107 g of the compound was dissolved in 25.0 g of water. This solution had a freezing point of -0.0894 degrees C. what is ...
*Saturday, December 8, 2012 at 6:11pm*

**College Algebra and Finance**

Please help! Just need the answer... A lender gives you a choice between the following two 30-year mortgages of $200,000: Mortgage A: 6.65% interest compounded monthly, one point, monthly payment of $1283.93 Mortgage B: 6.8% interest compounded monthly, no points, monthly ...
*Friday, December 7, 2012 at 4:00pm*

**College Chemistry**

Is .1M NaH2PO4 a good buffer? Explain.
*Thursday, December 6, 2012 at 10:46pm*

**English Comp**

read Chapters 1 and 2 and your Instructor’s Guidance for Week One again, applying the Survey-Question-Read-Recite-Review (SQ3R) strategy as you reread the materials. Discuss how this reading strategy is similar to and/or different from the way you read course material ...
*Thursday, December 6, 2012 at 7:06pm*

**College Physics**

14) Given the following vectors, find the magnitude and direction: • A = 47 m and the angle is 0° • B = 62 m and the angle is 35° This is relative to the x-axis Magnitude: 401 m 140 m 104 m 0 m 503 m Direction: 20° 45° 55° 220° 90°
*Thursday, December 6, 2012 at 2:50pm*

**math**

From a survey of 200 college students, a marketing research company found that 140 students owned iPhones, 60 owned cars, and 50 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? ______ students (b) How many students do not own ...
*Wednesday, December 5, 2012 at 9:54pm*

**Math**

The separation between goalpost uprights in college football changed from 23 feet 4 inches to 18 feet 6 inches. What percent reduction was this?
*Wednesday, December 5, 2012 at 9:35pm*

**Fisher College**

What is 6y/7x^2 in terms of the LCD
*Wednesday, December 5, 2012 at 3:51pm*

**College Pre Calc**

lim t>7 F(x) (1/t)−(1/7)/t-7
*Wednesday, December 5, 2012 at 1:19am*

**College Pre Calc**

lim t>7 F(x) (1/t)−(1/7)/t-7
*Wednesday, December 5, 2012 at 1:19am*

**college chemistry**

what is the specific heat of a substance that required 800 joules of heat to raise the temperature of 50 grams of it from 20 degrees Celsius to 30 degrees Celsius?
*Tuesday, December 4, 2012 at 11:13pm*

**College Algebra**

Solve the logarithmic equation for x. log(base 3)(x+6) - log(base 3)(x+1)=1 urgent! help!
*Tuesday, December 4, 2012 at 9:38pm*

**Math **

Danny invested$5,000 into his savings account for college when he was 13 years old. If the account earns 2.5% interest every year, how much interest will danny have earned on his investment and how much money will danny have for college by the time that he is 18 years old?
*Tuesday, December 4, 2012 at 7:41pm*

**college algebra**

Can someone please help me find the x-intercepts and y-intecepts of this equation. I have the radius, and center but I can't seem to get the intercepts. x^2+y^2=16x-18y+145=25 Please show work. Thanks!!
*Tuesday, December 4, 2012 at 2:00am*

**English**

Read each sentence. Then underline each term that calls for italics The twins like to watch Tomas & Friends Thomas & Friends? This book, The Higher Power of Lucky, won an award, and it is a good read. The higher Power of Lucky? Do you mean course or coarse? course or coarse? ...
*Monday, December 3, 2012 at 8:43pm*

**Math (trigonometry)**

MONDAY December 3, 2012 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th...
*Monday, December 3, 2012 at 8:14pm*

**College Algebra**

The year he turned 18, Thomas Edison invested 0.8% compounded hourly. How much money would the account have now? Explain all steps. Be sure to include an explanation of how you found out when Edison turned 18 and how you calculated n. Part of the credit is for your explanation...
*Monday, December 3, 2012 at 6:39pm*

**college physics**

A 55-kg woman cheats on her diet and eats a 465-Calorie (465 kcal) jelly doughnut for breakfast. (c) If the human body is only 24% efficient in converting chemical energy to mechanical energy, how many stairs must the woman climb to work off her breakfast? I got 24075.32468 ...
*Monday, December 3, 2012 at 2:26pm*

**college physics**

An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 400-g sample of silver at an initial temperature of 87°C is placed in the water. The stirrer is used to stir the mixture gently until it reaches its final equilibrium temperature of 32&...
*Monday, December 3, 2012 at 2:26pm*

**statistics**

Scores on the ACT college entrance exam are Normally distributed with a mean µ = 20 and standard deviation σ = 5. An SRS of 25 ACT scores is selected, construct a 95% Confidence Interval for the sample mean (X-Bar) and interpret your result.
*Monday, December 3, 2012 at 11:48am*

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