Cecilia
Most popular questions and responses by Cecilia
IB Maths SL
let f(x)= (g(x)/h(x) where g(2)=18, h(2)=6, g'(2)=5 and h'(2)=2. Find the equation of the normal to the graph of f at x=2.
asked on May 27, 2014 
Math
The value of a certain rare stamp is 160% of its value three years ago. If the stamp was worth $220 then, what is it worth today?
asked on October 26, 2015 
Life orientation
Identify your 3 human rights violations or discrimination and explain in an introductory parameters why you choose the specific human rights violations or discrimination
asked on April 20, 2016 
Economics
Suppose the U.S government decides that the incomes of dairy farmers should be maintained at a level that allows the traditional family dairy farm to survive. It therefore implements a price floor of $1 per pint by buying surplus milk until the market
asked on September 7, 2012 
Corporate Finance
suppose you bought a 6 percent coupon bond one year ago for $1,040. The bond sells for $1,063 today.
asked on August 9, 2015 
Public speaking
focus on how people use messages to influence each other in various contexts and cultures, using a variety of media. A. Public speakers B. Radio personalities C. Motivational speakers D. Communication researchers
asked on September 4, 2015 
Chemistry
How many moles of oxygen will occupy a volume of 2.5 liters at 1.2 atm and 25 degrees celcius
asked on February 28, 2010 
algebra
simplify mn+mp+nq+pq /n+p
asked on July 30, 2015 
Math
Sandy spun a spinner with 5 equal parts labeled 15. What is the probability she will NOT spin a 4?
asked on February 29, 2016 
math
This problem has to do with exponential models. The question says, you deposit $1600 in a bank account. Find the balance after 3 years for each of the following situations. The first one says: 1. The account pays 2.5% annual interest compounded monthly. 2.
asked on March 9, 2008 
Chemistry
Why does Cl have a larger ionic radius than Ca2+ ?
asked on November 20, 2013 
Chemistry
Why does Cl have a larger ionic radius than CA2+ ?
asked on November 20, 2013 
physics
ehich of the following is an example of projectile motion?
asked on December 15, 2010 
geometry
if angle aob=4x+15 and aoc=3x+25, find the degree measures of angle aob and angle aoc
asked on January 24, 2012 
social studies
Sorry...one more question! A feature of the American political system NOT adopted from practice in England is: a)appeal of disputed court decisions to higher courts b) legislative control of government finaces c) local government through town meetings d)
asked on September 15, 2008 
Geography
What was the importance of Marco Polo's travels to the whole of the age of Exploration? Would like to know different levels of things he did
asked on October 18, 2007 
torque problem!
A spring (k =819N/m) is hanging from the ceiling of an elevator, and a 5.1kg object is attached to the lower end. By how much does the spring stretch (relative to its unstrained length) when the elevator is accelerating upward at a = 0.46m/s^2?
asked on November 8, 2008 
US History
1) Which man does not belong in the same group with the others? a. Carl Schurz b. James G. Blaine c. Henry Cabot Lodge d. Albert Beveridge 2) The American record in the Philippines includes all the following, EXCEPT: a. Training Filipinos for
asked on January 19, 2009 
Math
Erica rolls a 6 sided number cube once. What is the probability that Erica roll a 3
asked on January 28, 2018 
math
Whats Ñ
asked on September 17, 2013 
Grand Canyon University
Show that 480 W of power is expended by a weightlifter when lifting a 60kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.
asked on October 27, 2012 
geography/spanish
What does "llanura costera del pacifico" mean?
asked on November 20, 2008 
social studies
Prior to 1763, the British government generally followed a policy of salutary neglect towards the American colonies because it: a) wished to secure the loyalty of the colonies b) lacked a wellorganized imperial system c) lacked the power to make laws for
asked on September 15, 2008 
Biology
What 'EXPERIMENT' did Craig Venter & Francis Collins do in the Human Genome Project? Any links would be great! I've found a lot of info. on what it is, but I'm looking for info on what they did to get there.
asked on April 19, 2011 
social studies
Your flight takes off from the eastern United States at 10 AM. What time will you arrive on the west coast, if the flight takes six hours?
asked on September 8, 2008 
maths
consider the sequence given by U1=0.3 Un+1=Un+0.7 i)state what type of sequence this is. ii)write down the first 4 terms of the sequence. iii) find a closed form for sequnce. iv) use the closed form to find the nth term of the sequnce when Un=36.1
asked on November 2, 2007 
chemistry
What concentration of aqueous CaCl2 solution freezes at 10.2ºC? The freezing point of pure water is 0.0ºC and Kf of pure water is 1.86ºC/m.
asked on September 1, 2010 
LIFE ORIENTATION
IDENTIFY AND DESCRIBE 3 Environmental health hdzards that cause ill health and disasters within your community
asked on March 31, 2013 
southuniversity
You have been hired as the marketing manager. Research and identify major approaches of how innovations like these are adopted by consumers. Discuss how the marketing strategy for the car needs to rapidly move through these processes. Who or what are the
asked on February 25, 2011 
chemistry
Vapor pressure ___________ as the temperature of the liquid in equilibrium with it increases.
asked on September 7, 2010 
hirsch funnel filter paper
I used a filter paper that was too large for the Hirsch funnel and had to fold it up around the edges. Why is it bad to fold the edges of the paper? One reason is that it is difficult to "seal" the paper for a proper vacuum to be pulled. Another is that
asked on October 10, 2006 
chemistry
A solid that has a high melting point and conducts electricity in solution is a(n) ______________ solid. Im not sure what the answer is it molecular?
asked on September 8, 2010 
ALGEBRA :)
GIVE THE AREA OF THE FIGURE DESCRIBED. RECTANGLE; L=12CM , W=5CM HOW SHOULD I GET THE RESULT?
asked on August 31, 2010 
Chemistry
What is the freezing point of an aqueous 2.25 m potassium nitrate (KNO3) solution? The freezing point of pure water is 0.0ºC and Kf of pure water is 1.86ºC/m.
asked on August 26, 2010 
7th grade technology... help!
Can anyone come up with an acronym for COPYRIGHT ??????????
asked on September 14, 2008 
Chemistry
What is the freezing point of a solution made by dissolving 450 g of ethylene glycol (C2H6O2) in 550 g of water? The freezing point of pure water is 0.0ºC and Kf of pure water is 1.86ºC/m.
asked on August 21, 2010 
Biology
What are the 7 properties that all living things share?
asked on July 24, 2010 
Algebra
if there are 2 cylindrical cans. A label on the small one says it has a volume of 513 grams. the large one was destroyed. the small can's diameter was the same as the large can. large was 1/3 taller than the small can. what is the volume of the large can?
asked on January 27, 2009 
Biology
Each sperm of a tomato plant contains twelve chromosomes. What are the haploid and diploid numbers?
asked on April 9, 2016 
Physics
A bicyclist climbs a hill 17 m tall and then coasts down the other side without pedaling. If the cyclist’s speed was 2.5 m/s at the top, what is it at the bottom (ignoring friction)?
asked on October 6, 2014 
Geometry
Given a triangle ABC with A(6b,6c) B(0,0) and C (6a,0), prove that the medians of the triangle are concurrent at a point that is two thirds of the way from any vertex to the midpoint of the opposite side. I'm not sure how to prove this. I tried and when I
asked on October 24, 2013 
math
i need help in math can someone help me
asked on October 13, 2012 
Physics
a boy sledding down a hill accelerates at 2.4 miles per second squared. if he starts from rest, in what distance would he reach a speed of 8.0 miles per second?
asked on December 2, 2010 
math
8 boxes of 1000 counters is greater than less than, or egual to 1,000
asked on September 23, 2010 
chemistry
Vapor pressure ___________ as the temperature of the liquid in equilibrium with it decreases.
asked on September 3, 2010 
Chemistry
The solute molecules mixed with the solvent molecules in a solution cause the freezing point of a solution to be ______ than it is for an equal volume of pure _________.
asked on August 21, 2010 
algebra
Not sure if I'm doing this right Ln(3x4)Ln(x+1)=Ln(2) My solution: Ln 3x4/x+1 =Ln2 3x4/x+1=2/1 2x+2=3x4 2=x4 6=x
asked on April 5, 2010 
Statistics
If a 90%, 95% and 99% confidence interval are found for a population mean, how are the three interval estimates related to each other?
asked on December 7, 2008 
Geography
What is the plain that extends through northern Aregentina, Paraguay, and southern Bloivia? What is the grassy plateau located in southern Argentina between the Andes mountains and the AAtlantic ocean? What is the fertile plain that covers most of central
asked on November 20, 2008 
Chemistry
What does a change in the color of precipitate over time when a mixture of two solutions is combined with a reagent indicate?
asked on October 22, 2013 
physics
If a solid is stretched or compressed beyond the point that it can return to its original shape it has passed its
asked on November 16, 2012 
English
In Great Expectations, Pip is talking to the 'mysterious sailor' that is at his house. He asks the man "What floor do you want?" and the man replies "The top, Mr. Pip." What does this mean???
asked on March 26, 2011 
cultural diversity
I need help with identifying the difference in the three main groups, muslim, arabs, and christians where can I go to get some extra help
asked on December 12, 2010 
9th grade biology
How do macromolecules carry out the function of life within a cell?
asked on September 8, 2010 
Algebra 1
How would you solve the problem (w  2)^2 ???? So far I've gotten w^22w*24 Where do I go from here? Have I even gotten what I have right? I understand when I'm with my teacher, but as soon as I got home, I was a little lost. So any help would be great!!
asked on April 20, 2010 
maths for science
use the quotient rule to differentiate the following function f(x)=(1+In(x))/(x)
asked on May 29, 2008 
Geography
What Country lies to the East of Alaska? Why was Alaska a good addition to the United States?
asked on October 18, 2007 
Exponential Inequalities
2/5^(5x1) >orequal 25/4
asked on September 11, 2016 
9th Grade Biology
How do macromolecules carry out the function of life?
asked on September 8, 2010 
Quantitative Research
What is the probability of 59 if the mean is 60 and the standard deviation is 7?
asked on June 13, 2010 
social studies
Where is Friday before Wednesda?
asked on June 4, 2010 
English
I need a good hook for an essay. The essay's about being a peer for the children at my school who are mantally disabled. My 1st paragraph is about what I do in the class, 2nd is about the kids, & 3rd is about special olumpics. Help PLEASEE!!!??
asked on March 11, 2010 
Language Arts
What's a good way to teach the word "Accolade" to the class. I have to make a prsentation that's less than 2 minutes, and teach my classmates the word so that it sticks. Any help???
asked on February 2, 2010 
Algebra 1
I had a quiz in math. The problem is: 4.3+(7.2) I got the answer 11.5 and my teachr marked it wrong. When she gave us a chance to fix the errors for half credit, I tried it again. But I KEEP getting the same answer. What am I doing wrong?
asked on September 12, 2009 
technology... please help!
I have to write a poem and a song about computer graphics and animation. I'm really bad at this so can someone give me an idea?
asked on September 14, 2008 
maths
differentiate the following function using the composite rule h(x)=e^x(4x)/6
asked on May 29, 2008 
math
Ronald made a trip of 450 miles in 8 hours. Before noon he avg. 60 miles per hour, and after noon he avg. 50 miles per hour. At what time did he begin his trip and when did it end?
asked on October 18, 2007 
Geometry: Ms. Sue or Steve or someone help please?
Given a triangle ABC with A(6b,6c) B(0,0) and C (6a,0), prove that the medians of the triangle are concurrent at a point that is two thirds of the way from any vertex to the midpoint of the opposite side. I'm not sure how to prove this. I tried and when I
asked on October 24, 2013 
social studies
Where is Friday before Wenesday? this is a riddle, pls. help me with the answer.
asked on June 4, 2010 
Algebra II
Factor Completely: x^22x99
asked on July 13, 2009 
technology
I need to write a song and a poem about computer graphics and animation. Does anyone have any ideas about that?
asked on September 14, 2008 
Geography
If you go East from Madagaser what is the first continent will you run into?
asked on October 18, 2007

math;);)
this is sooooo useful
posted on September 20, 2018 
brain drain
Clothes
posted on December 13, 2016 
History
1C 2A 3A 4C 5B 6D 7D 8A 9A 10D 11C 12A
posted on November 11, 2016 
brain drain
watch
posted on November 11, 2016 
Traditional african marriage is an advantage for men only,women
This is not good at all.we as women have our rights .so traditional men don't have power over us
posted on April 20, 2016 
English
Poppi
posted on November 12, 2015 
Algebra
x:5/6a+1/4=3(1/3a+2/3)
posted on November 11, 2015 
Algebra
solve for a: 2b=3/(a+c)
posted on November 11, 2015 
Science
How
posted on November 4, 2015 
Math
Nevermind.......its okay
posted on October 26, 2015 
Math
Thank you very much. I have one more question: The area of the heart is 20cm^2. If this is 72% of the area of the square, what is the area of the square?
posted on October 26, 2015 
ART
you first want to mix up orange and yellow then separately mix up green and purple . Then you want to add all four colors together to get the brown color u want to get.
posted on August 31, 2015 
Nutrition
NO #2 is the best answer since the waste due to undercooked food is minimized so the rest of the food will feed off the heat and fully cook.
posted on August 31, 2015 
statistics
H,T,T,H,T,H,H,H,T
posted on September 4, 2014 
LIFE ORIENTATION
yes
posted on May 4, 2013 
Salisbury University
Show that 480 W of power is expended by a weightlifter when lifting a 60kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.
posted on October 27, 2012 
Economics
just confused with part c
posted on September 8, 2012 
health
D because with a positive attitude you can help improve your physical health and also boosts your mental health
posted on September 7, 2012 
physics
Heat gained = Heat loss Let final temperature be x, Specific heat of Iron: 0.12 cal/g°C = 502 J/kg °C Specific Heat of Water: 4186 J/kg °C Heat gained by water = mass x specific heat capacity x change in temperature =100(4186)* (x25)
posted on May 26, 2012 
Biology
It only brought me back up to this page.
posted on April 19, 2011 
ALGEBRA :)
its it 44in and the little 2
posted on August 31, 2010 
ALGEBRA :)
nd what about triangle;b =8 in..,h=11 ???
posted on August 31, 2010 
ALGEBRA :)
oh sorry = 60?
posted on August 31, 2010 
ALGEBRA :)
I REALLY DON KNOW
posted on August 31, 2010 
algebra
(x1)/(2x+3) is the answer because the (2x+7) in the numerator and denominator cancels out.
posted on February 28, 2010 
Algebra 1
Like.... You solve it and then change it to the opposite. It's hard to explain now, but Igot it! Thank you guys so much! You're life savers!
posted on September 12, 2009 
Algebra 1
Oh!! You don't do the absolute value part until the end!! I get it now! I was changing it at the beginning!! THank you soo much!
posted on September 12, 2009