# cecilia

Most popular questions and responses by cecilia
1. ## 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
2. ## 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
3. ## 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
4. ## 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
5. ## 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
6. ## Math

Sandy spun a spinner with 5 equal parts labeled 1-5. What is the probability she will NOT spin a 4?

asked on February 29, 2016
7. ## 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
8. ## 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
9. ## 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
10. ## algebra

simplify mn+mp+nq+pq /n+p

asked on July 30, 2015
11. ## Chemistry

Why does Cl- have a larger ionic radius than CA2+ ?

asked on November 20, 2013
12. ## torque problem!

A spring (k =819N/m) is hanging from the ceiling of an elevator, and a 5.1-kg 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
13. ## Chemistry

Why does Cl- have a larger ionic radius than Ca2+ ?

asked on November 20, 2013
14. ## 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
15. ## Math

Erica rolls a 6 sided number cube once. What is the probability that Erica roll a 3

asked on January 28, 2018
16. ## 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
17. ## 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
18. ## math

Whats Ñ

asked on September 17, 2013
19. ## 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
20. ## 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
21. ## 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
22. ## 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
23. ## Grand Canyon University

Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.

asked on October 27, 2012
24. ## chemistry

Vapor pressure ___________ as the temperature of the liquid in equilibrium with it increases.

asked on September 7, 2010
25. ## 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
26. ## 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 well-organized imperial system c) lacked the power to make laws for

asked on September 15, 2008
27. ## LIFE ORIENTATION

IDENTIFY AND DESCRIBE 3 Environmental health hdzards that cause ill health and disasters within your community

asked on March 31, 2013
28. ## geography/spanish

What does "llanura costera del pacifico" mean?

asked on November 20, 2008
29. ## 7th grade technology... help!

Can anyone come up with an acronym for COPYRIGHT ??????????

asked on September 14, 2008
30. ## 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
31. ## 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
32. ## math

i need help in math can someone help me

asked on October 13, 2012
33. ## 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
34. ## math

8 boxes of 1000 counters is greater than less than, or egual to 1,000

asked on September 23, 2010
35. ## 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
36. ## Biology

What are the 7 properties that all living things share?

asked on July 24, 2010
37. ## 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
38. ## 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
39. ## Geography

What Country lies to the East of Alaska? Why was Alaska a good addition to the United States?

asked on October 18, 2007
40. ## Biology

Each sperm of a tomato plant contains twelve chromosomes. What are the haploid and diploid numbers?

asked on April 9, 2016
41. ## 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
42. ## 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
43. ## 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
44. ## physics

ehich of the following is an example of projectile motion?

asked on December 15, 2010
45. ## 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
46. ## 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
47. ## 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
48. ## chemistry

Vapor pressure ___________ as the temperature of the liquid in equilibrium with it decreases.

asked on September 3, 2010
49. ## ALGEBRA :)

GIVE THE AREA OF THE FIGURE DESCRIBED. RECTANGLE; L=12CM , W=5CM HOW SHOULD I GET THE RESULT?

asked on August 31, 2010
50. ## 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
51. ## social studies

Where is Friday before Wednesda?

asked on June 4, 2010
52. ## Algebra 1

How would you solve the problem (w - 2)^2 ???? So far I've gotten w^2-2w*2-4 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
53. ## algebra

Not sure if I'm doing this right Ln(3x-4)-Ln(x+1)=Ln(2) My solution: Ln 3x-4/x+1 =Ln2 3x-4/x+1=2/1 2x+2=3x-4 2=x-4 6=x

asked on April 5, 2010
54. ## 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
55. ## 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
56. ## maths for science

use the quotient rule to differentiate the following function f(x)=(1+In(x))/(x)

asked on May 29, 2008
57. ## Exponential Inequalities

2/5^(5x-1) >orequal 25/4

asked on September 11, 2016
58. ## 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
59. ## 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
60. ## 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
61. ## 9th grade biology

How do macromolecules carry out the function of life within a cell?

asked on September 8, 2010
62. ## 9th Grade Biology

How do macromolecules carry out the function of life?

asked on September 8, 2010
63. ## Quantitative Research

What is the probability of 59 if the mean is 60 and the standard deviation is 7?

asked on June 13, 2010
64. ## social studies

Where is Friday before Wenesday? this is a riddle, pls. help me with the answer.

asked on June 4, 2010
65. ## 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
66. ## 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
67. ## Algebra II

Factor Completely: x^2-2x-99

asked on July 13, 2009
68. ## 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
69. ## 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
70. ## maths

differentiate the following function using the composite rule h(x)=e^x(4-x)/6

asked on May 29, 2008
71. ## 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
72. ## Geography

If you go East from Madagaser what is the first continent will you run into?

asked on October 18, 2007
1. ## math;);)

this is sooooo useful

posted on September 20, 2018
2. ## brain drain

Clothes

posted on December 13, 2016
3. ## History

1C 2A 3A 4C 5B 6D 7D 8A 9A 10D 11C 12A

posted on November 11, 2016
4. ## brain drain

watch

posted on November 11, 2016
5. ## 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
6. ## English

Poppi

posted on November 12, 2015
7. ## Algebra

x:5/6a+1/4=3(1/3a+2/3)

posted on November 11, 2015
8. ## Algebra

solve for a: 2b=3/(a+c)

posted on November 11, 2015
9. ## Science

How

posted on November 4, 2015
10. ## Math

Nevermind.......its okay

posted on October 26, 2015
11. ## 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
12. ## 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
13. ## 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
14. ## statistics

H,T,T,H,T,H,H,H,T

posted on September 4, 2014
15. ## LIFE ORIENTATION

yes

posted on May 4, 2013
16. ## Salisbury University

Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.

posted on October 27, 2012
17. ## Economics

just confused with part c

posted on September 8, 2012
18. ## 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
19. ## 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)* (x-25)

posted on May 26, 2012
20. ## Biology

It only brought me back up to this page.

posted on April 19, 2011
21. ## ALGEBRA :)

its it 44in and the little 2

posted on August 31, 2010
22. ## ALGEBRA :)

nd what about triangle;b =8 in..,h=11 ???

posted on August 31, 2010
23. ## ALGEBRA :)

oh sorry = 60?

posted on August 31, 2010
24. ## ALGEBRA :)

I REALLY DON KNOW

posted on August 31, 2010
25. ## algebra

(x-1)/(2x+3) is the answer because the (2x+7) in the numerator and denominator cancels out.

posted on February 28, 2010
26. ## 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
27. ## 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