Saturday
September 20, 2014

Posts by Tania


Total # Posts: 58

physics
An athlete runs from one end to the other end of a semicircular track whose radius is 70m. What is the total distance covered by the athlete and what is his displacement?
June 26, 2014

science..physics
An athlete runs from one end to the other end of a semicircular track whose radius is 70m.what is the total distance covered by the athlete and what is his displacement?
June 26, 2014

science
What are psychoanalytical models? How have these models been used to explain human behavior? Which model do you feel is the most effective in explaining human behavior? Why?
April 17, 2014

psy/310
What are psychoanalytical models? How have these models been used to explain human behavior? Which model do you feel is the most effective in explaining human behavior? Why?
April 16, 2014

math help!
help ASAP PLEASEE!
March 19, 2014

math help!
f(x) is a quadratic function such that f(1) = 3 and f(5) = 3. Find the x coordinate of the vertex of the graph of f.
March 19, 2014

math
Katepoured 8 ounces of juice of a 64 ounce bottle Brian poor 60 ounces of juice from a 128 ounces bottle what ratio of juice is missing from each bottle of the ratios proportional
January 29, 2014

chemistry
¹14 is 1.42e9, 2.36e-10 ¹15 is 7.23e-11, 2.48e-11 ¹16 is 6.89 ¹20 is structure A, decrease, increase Zm is wrong ¹29 is branched structure, branched structure, Linear, because the branches can become more entangled than the linear chain.
December 19, 2013

chemistry
9a is LiF
December 19, 2013

math
the lenght of a rectangular room is 6 feet longer than twice the width. If the room's perimeter is 132 feet, what are the room's dimensions?
October 22, 2013

Math
Find the perimeter of KRN if K(2,9), R(-5,3), and N(0,-7). round to the nearest tenth.
August 27, 2013

Physical science
Find the acceleration of a hamster when it increases its velocity from rest to 10 in 2.4
June 11, 2013

eco
2. It has been estimated that the price elasticity of demand for attending baseball games is 0.23. Other things held constant, a 10 percent increase in attendance can be explained by a: A. 43.48 percent fall in the price of a ticket. B. 43.48 percent rise in the price of a ...
March 10, 2013

economics
yes
March 10, 2013

economics
1. If average movie attendance is 250 million when prices are $7 a ticket and 200 million when prices are $9 a ticket, the elasticity of demand for movie tickets is about: A. 0.0. B. 0.9. C. 1.1. D. 1.8.
March 10, 2013

Biology
population
March 6, 2013

math
show 2 ways of using the distributive property to find the product of 125 times 32
January 18, 2013

Chemistry
V1/T1=V2/T2 75+273.15=348.15 -25+273.15=248.15 822/348.15=v2/248.15=586 No, it is not correct because your final answer cannot be a negative answer. :)
January 1, 2013

math
There are 10 cups of punch left in the punch bowl. Each glass holds 2/3 of a cup.how many glasses can you fill?
December 13, 2012

wilson school
the flag that nico waves has an odd number in the one place and an even number in the tens place
November 26, 2012

Math
if $15,000 is invested at 6%, compounded quarterly, how long will it be before it grows to $25,000?
June 28, 2012

information literacy
Which of the following sets of Library of Congress call numbers is in the correct order? A. PA 203 .B252 1971, P201 .A251 1977, PE205 .C253 1954, PH202 .H255 1965 B. P201 .A251 1977, PA 203 .B252 1971, PE205 .C253 1954, PH202 .H255 1965 C. PE205 .C253 1954, PH202 .H255 1965, ...
June 22, 2012

information literacy
3. Which of the following sets of Library of Congress call numbers is in the correct order? A. E88 G62 L166 1995, E88 G62 L45, E88 G62 D225, E88 G2512 S57 1998 B. E88 G2512 S57 1998, E88 G62 D225, E88 G62 L45, E88 G62 L166 1995 C. E88 G2512 S57 1998, E88 G62 D225, E88 G62 L166...
June 21, 2012

math
A student says that a 98% angle has a complement Explain why this is incorrect?
March 14, 2012

chemistry - science
calculate molarity of NaOHin the solution prepared by dissolving its 4g in enough water to form 250ml of this solution ?
February 17, 2012

high school
(x^2y^3/2z)^4
September 11, 2011

geometry
Ab=5 what's the reason ? Ch 2.6 segment proofs
September 8, 2011

Math
Iam re-posting the following questions and would appreciate if anyone could show the working. 1]Find lim sinx/2x x-->0 2]lim 3x^2-4x/7 x-->0
August 22, 2011

Math
Thank you- drwls!!!
August 22, 2011

Math
Please help me with the two given questions. 1] find lim 3x^2-4x/7 x-->0 2] lim sinx/2x x-->0
August 22, 2011

math
Can anyone please help me with the following question: Prove by mathematical induction that 6^n + 4 is a multiple of 5, for nEN.
August 22, 2011

life orientation
in 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community
April 18, 2011

French
How would you say Ash Wednesday and Easter in French? My French teacher said it today, but I just can't recall what it was now...
March 9, 2011

Chemistry
The gaseous product of a reaction is collected in a 25 L container at 27 degrees Celsius. The pressure in a container is 300 kPa and the gas has a mass of 96 g. What is the formula mass of the gas?
February 23, 2011

physics
A system of pulleys is used to lift an elevator carrying a 3,300 newton load. assuming the pulley system is friction free, approximately how far would 10,000 joules of energy lift the elevator?
February 22, 2011

Physics
A hot-air balloon is rising vertically at a speed of 10 m s–1. An object is released from the balloon. The graph shows how the velocity of the object varies with time from when it leaves the balloon to when it reaches the ground four seconds later. It is assumed that the ...
February 16, 2011

Physics
A braking system is used to prevent the car travelling faster than 27 m s–1.The car and passengers shown in the diagram have a total mass of 750 kg. The length of track from P to Q is 80 m. Calculate the average braking force that would be required if the speed of the car...
February 16, 2011

Calc.
Solve the initial value problem explicity: y'= 5xe^(-y), y(1)=1
February 2, 2011

Calculus
Solve the following initial value problem explicitly: y'= ye^-x , y(0)=1 How do you solve this problem? I'm really confused!
February 2, 2011

Calculus
Ba has a half-life of 283.2 hours. How long would it take for the 50 mg of Ba in a sample to decay to 1.0 mg?
February 2, 2011

Physics
The work done against a force F(r) in moving an object from r = r1 to r = r2 is integral F(r) dr limits R2 at top and r1 at bottom. The gravitational attraction between two masses m1 and m2 at distance d is given be F=GMM/d2, G = 6.67 x 10-11. Find the work done in lifting a ...
January 12, 2011

Mathematics
You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You do it four times each month. Also, once a month you need to maintain the lawn ...
September 7, 2010

Math
Time and money are always significant. Look at this scenario. You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You do it four times each...
September 7, 2010

English
Why is mr krabs caring about money than caring about the children?
January 27, 2010

math
what is the maximum possible nuber of intersection beetween an equalateral triangl and a circle in the same plne?
May 7, 2009

ecology
true or false, the temp. varies greatly throughout the year in a tropical rain forest?
October 29, 2008

ecology
true or false, the temp. varies greatly throughout the year in a tropical rain forest?
October 29, 2008

biology
What phrase does the polypeptide spell? There appears to be some letters missing from the phrase
October 29, 2008

11 grade world history
what leisure activities flourished at the turnof the 20th century
October 19, 2008

English- Debating
We have a debate about "That if we buy New Zealand made, we've got it made". we are negating this topic but don't know what to talk about. please help !! thanks
April 28, 2008

Algebra 2
I have the same question. For what value is this equation undefined? and Do the answers to sections a-d match your expectations? why or why not? I'm confused on how to answer this. Please help anyone! Thank you!
April 4, 2008

Chem Help!
I really need help for my homework on balancing equations please show all the work including the coeffients if needed. I need help with 3 questions, 1) NaN3 -> Na + N2 2) NO2 + O2 -> NO + 03 3) LiOH + CO2 -> Li2CO3 + H2O
March 15, 2008

social studies
the egyptians stuffed the nostrils with beeswax durig the mummification process
January 28, 2008

Science
Make a hypothesis about how spacecraft that travel throughthe solar system obtain the energythey need to operate?
October 25, 2007

Pre-Algebra
help me calculate this - my 6th grade nephew has this question for homework and I'm at a loss. The combined age of 2 people is 91. Person A is two times as old as Person B was when Person A was as old as Person B is now.
October 1, 2007

Climate Change
In a Business 'As usual senario,' global CO2 emissions reach 64 GtCO2 y -1 by 2050. Convert this figure to GtC y-1, and calculate the percentage increase from the level of global CO2 emissions in 2004, estimated as 8.8 GtC y-1. Lets see... carbon is what percent of CO2...
June 13, 2007

English
Dangling Modifiers
May 2, 2007

Health Project Ideas
do it on phobias..its unique
February 6, 2007

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