Tuesday
April 21, 2015

Posts by Linda


Total # Posts: 1,389

calculus
Find the local max/min values of f using botht the first and second derivatie test. I can do the first but I am having trouble with the second derivative. f(x)= x/(x^2+4) Help please...Thank you.
October 25, 2011

physics
I don't understand how to solve :(
October 25, 2011

physics
A hollow rubber ball with a diameter of 5.57 cm and a mass of 38.9 g is cut in half to make a boat (in a bathtub) for American pennies made after 1982. The mass and volume of an American penny made after 1982 are 2.5 g and 0.36 cm3. How many pennies can be placed in the boat ...
October 25, 2011

Math
Little Billy was out trick or treating on Halloween. He had gotten a lot of candy and was peering into his bag, when out from behind a tree came Freddy Krueger. Freddy reached into Billy's bag and took half of his candy plus one piece. Within a few steps, Billy encountered...
October 24, 2011

Trick or Treat
Little Billy was out trick or treating on Halloween. He had gotten a lot of candy and was peering into his bag, when out from behind a tree came Freddy Krueger. Freddy reached into Billy's bag and took half of his candy plus one piece. Within a few steps, Billy encountered...
October 24, 2011

PC Basics
Jill wants to organize information into tables, figures, fields, and records. What type of software should Jill use? A. Communications C. Database B. Presentation D. Word processing I think the answer is C
October 18, 2011

Keyboarding and Word Processing
When typing personal titles in correspondence, you should always include the person’s name if you know it. If you don’t know the person’s name, which of the following should you use? A. Sir or Ma’am B. To whom it may concern C. Ladies and Gentlemen D. Mr. ...
October 18, 2011

Physics
An airplane flying horizontally at a constant speed of 350 km/h over level ground releases a bundle of food supplies. Ignore the effect of the air on the bundle. a)What is the bundle’s initial vertical component of velocity? =0 b)What is the bundle’s initial ...
October 16, 2011

Physics
A 45 kg boy running at 3 meters per second jumps on to a 97 kg sled that is initially at rest. Find the resulting speed of the sled with the boy aboard.
October 16, 2011

Drama
The ability of writers to completely identify with their characters is A. hypocrisy. B. ambiguity. C. negative capability. D. satire.
October 15, 2011

nonfiction
Thoreau writes that people should be "mining themselves for gold." By this he is stating, in another way, the ideal of Socrates, which was to A. know thyself. B. deny thyself to learn what is valuable. C. live and let live. D. put first things first
October 15, 2011

Poetry
Beyond tone, a poet's attitude toward his or her subject reveals to us a poem's A. subject. B. structure. C. diction. D. theme.
October 15, 2011

math
What is the mass of a liter of gasoline if its density is 0.66 g/mL?
October 14, 2011

Literature POETRY, PART 1
Which one of the following lines best illustrates personification? A. A narrow wind complains all day. B. The fog comes on little cat feet. C. She floated graceful as a dove. D. Spring is a dream unsung.
October 13, 2011

Literature the novel
The death of Curly is an example of A. the will to power. B. the theory of evolution. C. the law of club and fang. D. racial unconsciousness.
October 12, 2011

Read My Mind Word Problem
I am thinking of a three-digit number. It is an odd multiple of three, and the product of its digits is 24. It is larger than 15 squared. What are all the numbers that I could be thinking of?
October 11, 2011

Growing Puppies Word Problem/ Need Help Solving
Chritian's Chihuaha, Princess, weighs 2 pounds. Molly's Pit Bull, Psycho, weighs 14 pounds. They each seem to be gaining about a pound a month. The Pit Bull will soon weigh three times more than the Chihuahua. How many pounds will Princess weigh then?
October 11, 2011

POW#4 Read MY Mind
I am thinking of a three-digit number. It is an odd multiple of three, and the product of its digits is 24. It is larger than 15 squared. What are all the numbers that I could be thinking of?
October 10, 2011

Algebra POW HELP!!!!!
The cost of renting a bus to go snowboarding was split evenly by the 20 students planning to go. The day before the trip, 10 more students decided to go. Dividing the cost evenly among all 30 students brought the average cost down by $9.00 per person. What was the total cost ...
October 6, 2011

Calculus
Here is the other. Thank you! A kite 100 ft above the ground moves horizontally at a speed of 8 ft/s. At what rate is the angle between the string and the horizontal decreasing when 200 ft of string has been let out?
October 5, 2011

Calculus
If any body can solve this I would be greatly appreciative. I spent an hour in the tutoring center and no one could solve. Here goes: A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed of 1.6 m/s, how...
October 5, 2011

Word Problem Help Please
The cost of renting a bus to go snowboarding was split evenly by the 20 students planning to go. The day before the trip, 10 more students decided to go. Dividing the cost evenly among all 30 students brought the average cost down by $9.00 per person. What was the total cost ...
October 5, 2011

Algebra Splitting the Cost
The cost of renting a bus to go snowboarding was split evenly by the 20 students planning to go. The day before the trip, 10 more students decided to go. Dividing the cost evenly among all 30 students brought the average cost down by $9.00 per person. What was the total cost ...
October 5, 2011

Algebra word problem/Splitting the Cost
So what is the first step in figuring it out????
October 5, 2011

Algebra word problem/Splitting the Cost
There has to be an initial step because first there was 20 students
October 5, 2011

Algebra word problem/Splitting the Cost
The cost of renting a bus to go snowboarding was split evenly by the 20 students planning to go. The day before the trip, 10 more students decided to go. Dividing the cost evenly among all 30 students brought the average cost down by $9.00 per person. What was the total cost ...
October 5, 2011

Algebra word problem
There are 50 questions to answer in a triva contest. Each player starts with 100 points. He or she earns ten points for each correct answer but will lose four points for each incorrect answer. Each player must answer all 50 questions. What is the fewest number of questions a ...
October 5, 2011

Calculus
Find dy/dx by implicit differentiation: x^2-2xy+y^3 = c Thank you!
October 4, 2011

chemistry
The total number of atoms in 0.111 mol of FeCO3(PH3)2...?
October 3, 2011

Math 103
Write the set of points from -5 to 1 but excluding -4 and 1 as a union of intervals
September 29, 2011

Calculus
I think I have the correct answers for the following problems. For anyone who has the time I would appreciate it if you could tell me if I am correct/incorrect. Thank you. 1). Differentiate ã(x)sin x = (2xcosx+sinx)/2ã(x) 2). Differentiate 2t/(4+t^2...
September 25, 2011

math
f(-0.7)=-0.7^5-4(-0.7^4)-7(-0.7^2)-6(-0.7) = -.35847 f(-0.6)= substitue -0.6 in the equation = .48384 Assuming that f(x)= x^5 - 4x^4- 7x^2 - 6x = 0 Then solution would be -.35847 < 0 < .48384
September 25, 2011

Algebra
Rewrite one of the equations and plug into another equation and solve for each variable: (x + 2y = 12) = (x = 12-2y) plug x in (x+6y+z=20) = (12-2y+6y+z =20) is equal to (4y+z=8) rewrite (4y+z=8) and you get (z=8-4y). plug z in (3y-4z=25) solve and you get y=3. now you have ...
September 25, 2011

art history
Even though the art in the Renaissance and Baroque periods was not totally religiously oriented as had been the case before 1400, there was still much artistic effort put forth toward the creation of beautiful religious pieces. Explain why this influence continued through ...
September 24, 2011

Physics...Help please
The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x I am having ...
September 23, 2011

Mat126: Survery of Mathematics
Create a math formula showing that if 71% of adult use sunscreen and 71% is a large number how many use or do not use sunscreen?
September 19, 2011

math
if u received 2 dozen items and sold three of those items the first day, how many of those items are left?
September 19, 2011

Physics - HELP! PLEASE
The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x I am having ...
September 18, 2011

Physics
Per the figure ( I was unable to post), the graph is a linear line, it doesn't mention that acceleration is constant.
September 18, 2011

Physics
Figure 2-41 gives the acceleration a versus time t for a particle moving along an x axis. The a-axis scale is set by as = 13.0 m/s2. At t = -2.0 s, the particle's velocity is 10.0 m/s. What is its velocity at t = 6.0 s?
September 18, 2011

math
earth diameter is 13000 kilometers, globe diameter of0.5 meter, what is the globes scale as a ratio. What distance on Earth would 1 cm on the globe represent?
September 14, 2011

Algebra
Solve for y x-2xy=1
September 13, 2011

Algebra
F=9/5C+32 Solve for C if someone could explain in a step by step way that would be great!
September 11, 2011

Psychology
Why is problem solving considered the highest level of mental activity? What makes an individual good at problem solving?
September 10, 2011

arithmetic
thank you
September 8, 2011

arithmetic
What is the circumference of a circle with a radius of 9inches? (-2nr)
September 8, 2011

Math
yes that feels like the correct one. math and music go together.
September 7, 2011

Algebra
Questions on piecewise function graphing Obviously I can't get help with the actual graphing here but I am hoping someone can push me in the right direction Problem: f(x) {4, if 0<=x<2} {5, if 2<=x<4} {6, if 4<=x<6} So how would I get started? What does ...
September 6, 2011

Algebra
How do I graph how to raph -y>=4/3 (greater than or equal to) I don't understand what to do when the y is negative Any help would be greatly appreciated :)
September 5, 2011

Psychology
Why would you consider encoding messages into linguistic form as the most important step?
September 5, 2011

Psychology
What are the stages of language production? Which one of these stages is the most crucial? Why? This is what I have thus far: Language production refers to the process involved in creating and expressing meaning through language. The four stages in language production are ...
September 5, 2011

English
What do you think of the revised paragraph? I really changed the whole paragraph, is it better?
September 1, 2011

English
oops! First off thankyou!
September 1, 2011

English
First of thankyou! I appreciate your input. I rewrote a different paragraph. During my online research, I was very excited to learn about the current opening for a medical coding position in your organization. I feel my qualifications and your requirements are a good match. I ...
September 1, 2011

English
I have a writing project. I would like advice from you. This is the assignment. "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 ...
September 1, 2011

finance
well, the answer came out in ics as $104,480.00 but as i figured it 100,000/1000=100x5.68 so 5.68x360=204,480.00-100000.00=$104,480.00 that was i got but see is the 20% figured in that figure?
August 31, 2011

geometry
The perimeter of a pentagon (4x + 4) is three times the perimeter of a triangle (x + 3). Using this statement, find x.
August 31, 2011

science
what is the proton if atomic number is 6 and atomic mass is 12
August 30, 2011

business mathmatics
the total amount on a loan of 6,000 for 150 days is 210.50. using the ordinary interest metnod. what is the rate on this loan? rounded to nearest hundredeth.
August 30, 2011

Algebra
Graph the relation then tell whether the relation is a function The coordinates are: (0,-4), (0,4), (2,-3), (2,3). (4,-1) (4,1) After I graphed it I found that two of the point were on the y-axis so does that mean it is not a function? I might be getting it backwards though. ...
August 29, 2011

History
Oh and that was supposed to be VP
August 28, 2011

History
How did Pp Dick Cheney's net worth change after he left his position as secretary of defense under Reagan-Bush but before he became VP? Who employed him? Any information regarding his net worth over time and who employed him over the years would be most helpful.
August 28, 2011

History
Can someone give me a few examples of economic factors/conditions determining foreign policy decisions. The one example I have so far is the economic crash in 2008 triggering a outcry for economic relief. People no longer cared about the iraq war.
August 28, 2011

Algebra
|3x+8|=20; -4 Basically that 4 is asking whether that is a possible solution to the problem. I tried to solve it and the two solutions I got were -28/3 and 4. So I got that -4 is not a solution but if someone could check for me and make sure I didn't mess up my signs that ...
August 27, 2011

ACCOUNTING
On July 1, 2011 you purchase and pay $36,000 for a three year insurance policy. How much will your insurance expense be this year and during the following three years under the cash and accrual basis methods? At December 31 of each year, how much will Pre-Paid Insurance be on ...
August 26, 2011

Finance
shawn bought a home for $100,000. he put 20% down and obtained a mortguage for 30 years at 5 1/2%. what is the total cost of the loan? can you show me how this is worked out?
August 26, 2011

Statistics
4. John sells ice cream bars at the local park. He buys the bars for $1.20 per dozen and sells them for $0.15 each. If it is a rainy day at the park, he can sell nothing; if is overcast, he sells one dezen bars; and if is sunny, he sells two dozen. He can return unsold bars, ...
August 25, 2011

Statistics
4. John sells ice cream bars at the local park. He buys the bars for $1.20 per dozen and sells them for $0.15 each. If it is a rainy day at the park, he can sell nothing; if is overcast, he sells one dezen bars; and if is sunny, he sells two dozen. He can return unsold bars, ...
August 25, 2011

Statistics
Please help!!! 3. A one-legged, red-nosed tramp approaches John in the park and tells him he can predict the next day’s weather perfectly after he has drunk a shot of “Ripple” wine (cost of one shot: $0.50). If the tramp is telling the truth, should John engage ...
August 25, 2011

math
how do you calculate the distance and speed of a motorcycle that is going to jump 4 cars
August 24, 2011

geometry
What is the area of a trapezoid with bases of 2inches and 4 inches and a height of 3 inches
August 8, 2011

algebra
The total revenue R in dollars from selling tops for P dollars each is given by R= p(200-9) where p< or = 200. a) Find R when P = $200 Find P when R = $7500
July 28, 2011

Psychology
I need help in developing an outline to explain the utility of social psychology within education so I can use as a guide to write a paper. I need to focus on both theory and application. PLEASE HELP!
July 23, 2011

Psychology
I have expanded on my answer and would like to know if this is correct and if anything else should be added. Answer: Bias can distort self-perception and causal attribution. The fundamental attribution error describes the tendency by one person to over-value personality based ...
July 22, 2011

Psychology
I have to describe the impact of bias on the lives of individuals. I know that bias can distort self-perception and causal attribution. I need help to properly explain this.
July 22, 2011

Psychology
Yes.
July 21, 2011

Psychology
I think that bias can distort self-perception and causal attribution.
July 21, 2011

Psychology
What is the impact of bias on individuals?
July 21, 2011

Algebra
-4x^3 + 24x^2 – 24x + 4 by x^2 – 5x + 1
July 20, 2011

Analytical Chemistry
How do I find the mass of KHP? 0.5050 grams of KHP was used and placed into a 250mL volumetric flask and diluted to the mark with distilled water. 50.00mL of this KHP solution was placed in a 250mL beaker. It took 14.75mL of 0.0067M of NaOH to reach the endpoint. What is the ...
July 20, 2011

Amortized Loan
What is the interest payment on $16,000 at 5% interest amortized over 16 months with $1,000 payment per month
July 18, 2011

Math
what is $16,000 at 5% interest amortized over 16 months
July 18, 2011

principal of management
what you feel are the three most important concept you learned in principal of management
July 9, 2011

algebra
If you reach a city on interstate and vehicle can travel on 32 mpg. write an inequality that shows the mile makers (m)you can reach from city at mile marker 125 going in either direction,when g is the amount of fuel , in gallons, in your vehicle. explain what this means (east ...
July 7, 2011

Psychology
In what ways are personology and attribution theory related?
July 6, 2011

Health
Does prevalence of disease increase as chronic disease increases. Prevalence is total no. of cases/total no. of risk factors of disease in the population over a period of time.
July 6, 2011

chemistry
what would happen if you used a very small amount of metal in measuring density? how would it affect your measurement? consider the number of segnificant digit in your ansuer if you use more than 1.00 ml of metal or less than 1.00 ml of metal.
July 5, 2011

chemistry
can you do it for me if possible drbob222 ?
June 30, 2011

chemistry
i have the Mr of lead nitrate 331 and i thermally decompose it giving nitrogen dioxide and oxygen. i want to collect exactly 200cm3 of the gases evolved in a syringe. what mass of lead nitrate should i take ?
June 30, 2011

Comm health
Compare public health and community health. What is the history of public health?
June 24, 2011

Community/public health
Comparing public and community health What is the difference History of Dekalb public Health
June 23, 2011

Public & Community Health
Why is local and international water assessment necessary to prevent diseases?
June 20, 2011

public & community health
Why is it important for public health to have a strategic disaster management plan in place?
June 20, 2011

PHYSICAL SCIENCE
BY HOW MANY DEGREES OF CELSIUS WOULD THE TEMPERATURE OF 100 GALLONS OF WATER INCREASE IF 300 CALORIES WERE ADDED TO IT?
June 18, 2011

Georgia Perimeter
What are the essential components of public health nursing.
June 14, 2011

Georgia Perimeter
What is the definitions of health promotion, disease prevention and health maintenance.
June 14, 2011

Geogia Perimeter
How does healthy people 2020 address public health issues
June 14, 2011

College Pre-Algegra
1 7/2 divided by 7 11/12 =
June 12, 2011

6th grade fraction comparisons
Which numbr is greater than 3/4. The possible answers are 75/100 , 11/12, 2/3 or 3/8. I thought that I would try the method of making the denominator the same by the lcd. 75/100 is equal to 3/4 mult denom/number by 3 and got 9/12 so dont know how to compare 11/12 not sure how ...
June 9, 2011

Psychology
Which form of instrumental conditioning would be most effective in learning how to drive a car?
June 2, 2011

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