Popular questions and responses by Eunice
  1. math. PLEASE HELP.

    Question: If A= 29 degrees and a= 4.6, find c. There is a diagram shown in the textbook. b is adjacent, c is the hypotenuse, and a is opposite. I know I'm suppose to use SOH CAH TOA, and i tried using tan, but Im not getting the correct answer. i looked in

    asked on November 15, 2016
  2. Physics

    A light weightless bar is provided at it centre and weight of 5n and 10n placed 3m and 2m, respectively from the pivot on one side are balanced by weight 20n weight on the other side how far in the 20n weight from the pivot.

    asked on May 21, 2019
  3. maths

    In a primary school 70% of the boys and 55% of girls can ride a bicycle if a boy and a girl are chosen at random what is the probability that both of them can ride a bicycle. That neither of them can ride a bicycle?

    asked on February 24, 2020
  4. math/geometry pls help

    A coin of radius 1 cm is tossed onto a plane surface that has been tesselated by right triangles whose sides are 8 cm, 15 cm, and 17 cm long. What is the probability that the coin lands within one of the triangles?

    asked on April 21, 2010
  5. Math

    My question showed a bar graph showing the number of days of class 20 students missed. "What is the average number of days that each student missed?" A) 1 B) 1.5 C) 1.7 D)2 E)2.3 **The answer's 1.7 (according to my teacher), but from solving it I either

    asked on August 11, 2017
  6. physics

    A solid ball with a mass m=0.53kg floats in a tank of water.The ball is made of material with a density of 400kg/m^3.The density of water is 1000kg/m^3.what fraction of the ball is below waterline?

    asked on March 25, 2015
  7. Geometry

    A coin of radius 1 cm is tossed onto a plane surface that has been tesselated by right triangles whose sides are 8 cm, 15 cm, and 17 cm long. What is the probability that the coin lands within one of the triangles?

    asked on April 20, 2010
  8. Chemistry 101

    Iron reacts with hydrochloric acid to produce iron (2) chloride and hydrogen gas.Fe (s)+ 2 HCL (aq) -FeCl2 (aq) + H2 (g).The hydrogen gas from the reaction 2.2g of iron with excess acid is collected in a 10L flask at 25 degrees celcius. What is the

    asked on April 30, 2009
  9. Chemistry 101

    A gaseous compound has a density of 0.355 g/L at 17 degree celcius and 189 mmHg. What is the molar mass of the compound?

    asked on April 30, 2009
  10. chemistry

    which characteristics of solid, a liquid, and a gas are exhibited by each of the following substances? how would you classify each substance? A. a bowl of pudding will be solid and B. a bucketful of sand wiil be solid

    asked on January 18, 2017
  11. Math

    What is it like to live under a carpet

    asked on May 4, 2015
  12. Introduction to Physics

    What is the electric charge on the calcium ion in calcium chloride, CaCl2?

    asked on September 1, 2013
  13. Chemistry 101

    If 12.0g of molecular oxygen, O2, is required to inflate a balloon to a certain size at 27 degree celcius, what mass of molecular oxygen required to inflate it to the same size and pressure at 81 degree celcius?

    asked on April 30, 2009
  14. math

    Allan borrowed $4400 from his father to buy a car. He repaid him after 7 months with interest of 7% per year. Find the total amount he repaid.

    asked on April 4, 2020
  15. math

    Allan borrowed $4400 from his father to buy a car. He repaid him after 7 months with interest 6) of 7% per year. Find the total amount he repaid.

    asked on April 4, 2020
  16. Writing

    Paper Topic - "Sexual Assault: A rising issue in our --- youth." Please revise the following question and choices for my survey: Do you consider yourself open with your sexual orientation? a. Yes, but I have people around me who think otherwise b. A

    asked on November 11, 2018
  17. Writing

    Hi. I'm having difficulties posing a question for a survey I'm creating. My research paper topic is "Sexual Assault: A rising issue affecting our ---- youth" Please excuse the "---", I don't want to disclose the area. In the survey, the foremost question

    asked on November 11, 2018
  18. English

    The topic I decided on - "Brexit: An unfavorable option for the United Kingdom" "brexit" refers to britain's potential departure from the european union. I'm not sure how to rearrange my topic. On one hand, I want to discuss the disadvantages of britain

    asked on October 1, 2018
  19. chemistry

    when water boils, there is bubbles that rise to the surface of the water. What is inside these bubbles? air

    asked on January 18, 2017
  20. Maths factorise

    Factorise 3px-3py-x+y

    asked on January 17, 2017

    Calculate the hydroxyl ion concentration in a solution of almond extract ofph.3.8 state wether almond is acidic or basic

    asked on June 12, 2016
  22. physics

    A stone propelled from a catapult with a speed of 59meter per seconds attain a height of 100 meter calculate a. the time of flight b. the angle of the projection c. the range attain

    asked on February 7, 2016

    What are some devices that can be used to help the environment? That are made to help the environment?

    asked on January 10, 2016
  24. HELP..which graph should be used?

    What graph should I use for comparing measurements? should in include a table?

    asked on January 6, 2016
  25. algebra 2

    Can someone please help me solve this problem? I do not know how to do it. 2x(squared)+3x+1. And 3ay(squared)+9a?

    asked on November 24, 2015
  26. Science project

    Hi, can anyone please propose a science project that has to do with bacteria at a high school level. Any will do.The ones I've looked up online are mostly elementary and I had to search up college level ones..which gave the same results.

    asked on November 24, 2015
  27. math

    sofia is 3 years older than Eunice. In 5 years , Sofia will be twice as old as Eunice will then be. Find their present ages.

    asked on September 26, 2015
  28. Science Project suggestions??

    I cannot think of an original science project idea. I would really like an original one instead of the online ones which have already have their own procedures and stuff. I would like to do a science project that is has to do with chemistry or computer

    asked on September 22, 2015
  29. Life science

    Why are thesa fossils important discoveries?

    asked on August 3, 2015
  30. physics

    A slab of wood with mass m=1.7kg floats 78% submerged.the density of water is 1000kg/m.what is the density of the wood?

    asked on March 25, 2015
  31. Life orientatin

    Compare in five ways the similarities and the different between nfsas and other student loans

    asked on February 20, 2015
  32. pre cal

    you decide to buy a car for 25000. each year your car depreciates in value by 5% from its original value. After 15 years though, your used car will only be worth $500 to a dealership. Write a piece wise function for C(t), car value over time, for this

    asked on September 7, 2014
  33. life orientation

    In 10-15 lines discuss 10 ways in which pollution impacts on the community.provide references

    asked on May 6, 2013
  34. life orientation

    In 10-15 lines critically discuss 5 ways in which the pollution as the environmental problem impacts on the community.provide relevent sources to support your claim

    asked on May 6, 2013
  35. Math

    Find the present value of $9500 in 6 1/2 years if money earns 7.5% compounded continuously.

    asked on September 20, 2012
  36. Physics

    A wooden plank is inclined at and angle of 23 degrees above the horizontal. A 2.0 kg box attached to a rope is is pulled up the incline. The coefficient of kinetic friction between the box and the wooden plank is 0.15. What does the tension in the rope is

    asked on February 6, 2012
  37. Chicago Virtual Charter School

    A movie theater charges $7 for adults, $5 for school-age children, and $3 for babies. A group of people went to the theater. There were the same number of school-age children as babies and the number of adults was the same as school-age children and babies

    asked on March 24, 2011
  38. english

    can someone give me the summary of sherwood anderson's " a death in the woods"?

    asked on September 30, 2010
  39. math

    Find the entries of the following matrices: (a) the 2 ×2 matrix M for the reflection across the line y = x. (b) the 2 ×2 matrix N for the 90 degree counterclockwise rotation about the origin. (c) the product MN;what transformation does this represent?

    asked on April 25, 2010
  40. physics

    (a) How long does it take for a golf ball to fall from rest for a distance of 12.5 m?in seconds (b) How far would the ball fall in twice that time?in meters

    asked on February 7, 2010
  41. physics

    Two vectors have magnitudes 3.0 and 4.0. How are the directions of the two vectors related given the following conditions? 1) The sum has magnitude 7.0. (a)They both point in the same direction. (b)They each point in opposite directions. (c) They are

    asked on February 7, 2010
  42. chemistry

    what is mmHg?

    asked on May 3, 2009
  43. chemistry

    how many liters of CO2 are in 50kg of carbon dioxide at STP?

    asked on May 3, 2009
  44. Chemistry 101

    You have a sample of gas in a flask with a volume of 250 mL. At 25.5 degrees Celcius, the pressure of the gas is 300 mm Hg. If you decrease the temperture to -5.0 degrees celcius, what is the gas pressure at this lower temperture?

    asked on April 30, 2009
  45. Chem 101

    How many liters of CO2 are in 50 kg of carbon dioxide at STP?

    asked on April 30, 2009
  46. Chemisty

    What are the factors that cause the difference between measured pH and calculated pH in titration.

    asked on March 3, 2009
  47. social studies

    what is the time change and distance from nova scotia to england?

    asked on April 22, 2008
  48. spanish

    can you please help me unscramble these two spanish words? codraram,and coyenr. thanks!

    asked on February 18, 2008
  49. literature

    Trace and explain in your own words the literary periods We will be happy to critique your work or thinking, but we do not do the work for you. Do you have a question about this assignment? We will be happy to critique your work or thinking, but we do not

    asked on July 9, 2007
  50. Literature

    A pschoanalytic approach to the reading of literature views conflict and character of any literary work as a reflection of the needs,emotions,status of mind and subconcious desires of the author.By extension,in literature,this approach tries to explain why

    asked on July 9, 2007
  51. history

    do you know any website that tells us anything about the ancient greek's landscapes? Already answered -- above. =) I'm sorry. But I'm a different person then LP. :D Your IP address is identical to LP's, so you're either in the same house or the same school

    asked on May 18, 2007
  52. Chemsitry

    What is the purpose of cell matching? (1 mark) I've been researching for quite a long time now. This question relates to using spectrometry. Can anyone help me? Thanks! I let this question go yesterday because I connected it with cells is biology. On

    asked on February 12, 2007
  53. Chemistry

    Why does Beer’s Law apply only to relatively dilute solutions and not concentrated ones? Why is it important to take absorbance readings of a solution at its wavelength of maximum absorption? (1 mark) This questions are related to spectrometry. Cana

    asked on February 11, 2007
  54. Chemistry - Hybridization

    Can anyone help me with this questioin pleasee? Describe the orientation and relative energy levels of sp2 and sp3 orbitals with respect to unhyberdized orbitals (1s, 2s, 2px, 2py, 2pz orbitals) 1s and 2s are spherical. 2px, 2py, and 2pz are at 90o to each

    asked on December 5, 2006
  1. math

    Pls explain clearly

    posted on May 5, 2020
  2. Chemistry

    i need ans please its an emergency

    posted on January 25, 2020
  3. English

    how would you start to write the letter

    posted on November 12, 2019
  4. Physics

    A body of mass 10kg is acted on by a constant force if 20N for 3seconds .calculate the kinetic energy .the distance traveled

    posted on May 31, 2019
  5. Mathematics


    posted on February 3, 2019
  6. Writing

    Oh ok. I've changed it bob. haha

    posted on November 11, 2018
  7. Writing

    Alright, thanks.

    posted on November 11, 2018
  8. Writing

    Hi Ms.Sue, I was told it was just too straightforward and violating in a way. Yet, this question is necessary to have as it is what I'm researching about. My survey participants are all adults. I'm not sure.

    posted on November 11, 2018
  9. physics

    It is good clear end understandable

    posted on October 8, 2018
  10. Tourism,business studies,maths literacy

    Which career can i do next year after matric with the follow subject: Maths literacy, Economics, Business Studies, English, Zulu, Life oritation

    posted on August 8, 2018
  11. Math

    So, the choices are just wrong?

    posted on August 11, 2017
  12. Chemistry

    it is somewhat greater than 280.0g

    posted on January 18, 2017
  13. Math


    posted on January 11, 2017
  14. Algebra


    posted on January 5, 2017
  15. physical science


    posted on July 18, 2016
  16. Life orientation

    I have a right to basic education.

    posted on April 24, 2016
  17. Life orientation

    Three human right violations and two example

    posted on April 18, 2016
  18. HELP..which graph should be used?

    *I include..

    posted on January 6, 2016
  19. physics

    The speed of sound in an ideal gas is given by the relationship • R = the universal gas constant = 8.314 J/mol K, • T = the absolute temperature • M = the molecular weight of the gas in kg/mol •  = the adiabatic constant, characteristic of the

    posted on January 4, 2016
  20. math 3


    posted on February 25, 2015
  21. 3rd grade Math


    posted on February 23, 2011
  22. Chemistry 101

    what is mmHg

    posted on May 3, 2009