Cassy

Most popular questions and responses by Cassy
  1. Calc

    Write the summation to estimate the area under the curve y=2+sqrt(x) from x = 2 to x = 5 using 3 rectangles and right endpoints. ~the summation from i equals 2 to 5 of the quantity 2 plus the square root of i ~the summation from i equals 2 to 4 of the

    asked on March 15, 2016
  2. math URGENT

    Find all values of x such that sin 2x = sin x and 0 x 2π. (List the answers in increasing order.) x= x= x= x= x=

    asked on January 19, 2014
  3. english (Adverbs and Other Parts of Speech)

    13. In which of the following sentences is the word down used as an adverb? A. Ricky rolled down the car window to place his order at the coffee shop. B. Gail fell down the steps because she tripped on her untied shoelace. C. The ball moved down the street

    asked on April 18, 2016
  4. Chemistry. Please :(

    1. If 23.00 grams of carbon dioxide and 18.75 grams of water are formed from the combustion reaction. What is the percent yield for CO2 and H20. How much in grams of the excess reactant remains? 2. Balance the equation and determine the mass in grams of

    asked on April 25, 2014
  5. Chemistry

    How much heat on joules is required to melt 3mol of ice? (the heat of fusion is 6.01 kj/mol)

    asked on April 4, 2010
  6. Life Orientation

    What are 4 factors that threaten the core functions of the media? Please help!

    asked on May 15, 2016
  7. Calculus

    A point moves along the curve y=(x-2)^2 such that the x coordinate is increasing at 2 units per second. At the moment x=1, how fast is its y coordinate changing.

    asked on March 9, 2010
  8. math

    If sin(x) = 1/3 and sec(y) = 5/4, where x and y lie between 0 and π/2, evaluate sin(x + y).

    asked on January 19, 2014
  9. Science

    Which of the following explains why objects in our solar system are in a spinning motion? A. The gravitational pull of the sun pushed objects into a spinning motion. B. The massive size of the sun made all other objects in space spin fast. C. Gravity

    asked on May 10, 2018
  10. PHYSICS

    A 70 KG man is standing on a scale inside an elevator. Calculate the reading on a scale after the cable breaks and the elevator goes into free fall.

    asked on August 18, 2010
  11. math

    Rewrite by completing the square. 2x^2 - 12x + 11

    asked on January 19, 2014
  12. Trigonometry

    4cos^2x-5sinxcosx-6=0 find the x :( please

    asked on March 9, 2014
  13. Physics

    A figure skater is spinning with her arms out wide. Will she spin faster or slower if she tucks in her arms? Why?

    asked on October 7, 2010
  14. Calculus

    The edge of a cube is increasing at a rate of 2 inches per minute. At the instant when the volume is 27 cubic inches, how fast is the volume changing? indicate the units of measure. V=x^3

    asked on March 9, 2010
  15. science-chemistry

    We performed a titration with NaOH solution with KHP. Now I need to calculate the average molarity of NaOH based on this data Weight of khp= 0.1083 g Volume of naoh = 6.4 ml Then if i get this how do i get the molarity of ch3cooh totrated in naoh with the

    asked on April 23, 2014
  16. Trigonometry

    2sinx-cosx=3/sqrt. of 2

    asked on March 9, 2014
  17. Science

    A crate is resting on the back of a truck and has a coefficient of of friction of 0.45. What is the maximum acceleration that the truck can undergo before the crate starts to slide off the back of the truck.

    asked on September 14, 2010
  18. Science

    A force of 20N is pushing a box at an angle of 50 degrees to the right of a dotted line. At what angle would a second force of 40N need to push in order to move the box straight in the direction of the dotted line?

    asked on August 4, 2010
  19. IT

    I NEED HELP WITH GIVING EXAMPLES OF MASTERING THINKING SKILLS. http://www.google.com/search?q=thinking+skills&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA First you must define what you mean by "thinking skills" and then

    asked on March 20, 2007
  20. INFORMATION TECHNOLOGY

    WHAT IS MASTERING SKILLS Mastering = becoming so good at something that one is a "master" of it. Becoming very proficient. http://www.answers.com/mastery http://www.answers.com/proficient =)

    asked on March 19, 2007
  21. PHYSICS

    A cricket bowler bowls a cricket ball witha mass of 150g and a radius of 52mm. The bowler's arm weighs 3.4kg and has a length of 0.68m. The centre of mass of the bowler's arm act's at it's midpoint. What is the moment of inertia of the cricket ball and

    asked on October 7, 2010
  22. Science

    Fred and Joe are moving identical boxes across a floor where there is friction present. Fred pushes his box with a force that is directed 20 degrees below the horizontal, while Joe pulls his box using a rope that is angled 20 degrees above horizontal. Who

    asked on September 15, 2010
  23. mathematics

    R70000 is invested for five years.calculate a compound interest rate that would double the investment

    asked on September 13, 2015
  24. Chemistry. Please

    If 15ml of 1M sulfuric acid is used until faint pink endpoint is reached how many moles of magnesium hydroxide are in 50ml solution. Please help

    asked on April 25, 2014
  25. math

    Find an equation of the circle that has center (-2, 1) and passes through the origin.

    asked on February 2, 2014
  26. Algebra 2

    how would you translate the graph of y=-x2 to produce the graph of y=-(x+1)2?

    asked on December 16, 2012
  27. Science

    A cricket bowler bowls a cricket ball witha mass of 150g and a radius of 52mm. The bowler's arm weighs 3.4kg and has a length of 0.68m. The centre of mass of the bowler's arm act's at it's midpoint. The moment of inertia of the cricket ball and bowler's

    asked on October 7, 2010
  28. Anatomy

    What is the groove between the diapragm and ribcage in the lower part of the pleural cavity?

    asked on September 19, 2010
  29. physics

    During a lift off , the thrust a rocket produces must overcome the force of gravity in order to lift the rocket off the ground. If a rocket with a mass of 5kg produces a force of 180N, how fast will the rocket be travelling 3 seconds after ignition?

    asked on August 18, 2010
  30. Chemistry

    A 20ml of a 1M KOH solution is used to react with sulphuric acid, what is the number of mols of KOH used?

    asked on August 16, 2010
  31. limits

    use f'(x)=lim h-->0 f(x+h)-f(x)/h to find the limit: h-->0 sin^3,4(x+h)-sin^3,4x/h

    asked on March 23, 2010
  32. science

    Hi, I need scientific diagrams of the following: Mushroom (Armillaria ostoyae) Lactobacillus bulgaricus They must be detailed (ie cell wall, cell membrane etc) and at least 5 distinguishing features. Thanks

    asked on April 22, 2008
  33. Com 120

    I need to write a impact on a introduction to the story the case against chores

    asked on March 21, 2007
  34. Linden Math

    Ted wanted to share 2!/2 pounds of strawberries equally with 5 friends. How many pounds of strawberries would each person get?

    asked on October 19, 2017
  35. math

    The equation of a line is y = mx - 1. Find the value of m if the line passes through the point (2, 3).

    asked on February 2, 2014
  36. math

    Solve the equation. (Find only the real solutions.) x2 - x - 2 = 0 they also said there is a smaller value and a larger value ??

    asked on January 19, 2014
  37. Math

    1/5(2x+10)=2x-8

    asked on April 26, 2011
  38. 8th grade

    how many 2-kg and how many 5-kg plates go onto the bar to make 34-kg.

    asked on November 29, 2010
  39. Calculus

    If y=ln((3x+2)^6(x+10)^3), then dy/dx=

    asked on March 9, 2010
  40. Stats

    Think I know the answer, but can someone please confirm... Find the value of a that corresponds to a confidence level of 84%. Answer: 0.16???

    asked on September 13, 2008
  41. science

    what is matter best described by?

    asked on November 27, 2007
  42. com120

    I NEED TO WRITE THE TYPE OF INTRODUCTION USED IN THE STORY THE CASE AGAINST CHORES

    asked on March 21, 2007
  43. Information Technology

    what are the benefits from using thinking skills you succeed in your educational and personal life i guess!!! I would love to hear and critique what you think of for this answer ;) Matt What happens if you DON'T use thinking skills? That is, if all you do

    asked on March 19, 2007
  1. Science

    Ms. Sue can you please help me

    posted on May 10, 2018
  2. math help me

    Maddi is 100% right 10/10 for 2k18 7th grade Lesson 5 unit 4

    posted on April 24, 2018
  3. SS

    4/5 1. Is D

    posted on April 1, 2018
  4. Math-Probability

    .015

    posted on April 9, 2017
  5. english (Adverbs and Other Parts of Speech)

    no i did the test and i put that in as my answer and it was wrong i know stupid

    posted on April 18, 2016
  6. english (Adverbs and Other Parts of Speech)

    no i did the test and i put that in as my answer and it was wrong i know stupid

    posted on April 18, 2016
  7. english (Adverbs and Other Parts of Speech)

    would it be The ball moved down the street towards the

    posted on April 18, 2016
  8. English

    13. In which of the following sentences is the word down used as an adverb? A. Ricky rolled down the car window to place his order at the coffee shop. B. Gail fell down the steps because she tripped on her untied shoelace. C. The ball moved down the street

    posted on April 18, 2016
  9. math

    Sorry Manit but you are wrong. I remember this problem in class last year and 60 days is correct not 20. It takes Tom 3 times as long to do the job so 20*3 = 60.

    posted on December 17, 2015
  10. Bobby

    i think u meant the subject math -_-

    posted on January 19, 2014
  11. Singapore Math

    Here is your bar model: This is a unit bar: [xxx] Before - the had equal amounts, then they each spent some money. In the end, Lily has twice as much as Sara, or 2 units. Lily [xxx][xxx]| Sara [xxx]| If they started out the same, the second unit bar for

    posted on December 19, 2012
  12. Grade 12 life orientation

    Five factors that contribute to the life style disease of hiv/aids

    posted on May 2, 2012
  13. Math/116

    sorry im not sure.

    posted on September 15, 2010
  14. Math/116

    3.5 multiplied by 5.

    posted on September 15, 2010
  15. Last question, I swear! Math!

    73-x=17

    posted on September 15, 2010
  16. Math/116

    a is correct b is 3.5(5)=17.5

    posted on September 15, 2010
  17. Help please? Math!

    7-2W

    posted on September 15, 2010
  18. math

    YES

    posted on September 15, 2010
  19. math

    YES.

    posted on September 15, 2010
  20. math

    Yes

    posted on September 15, 2010
  21. Mathmatics

    You welcome.

    posted on September 15, 2010
  22. Mathmatics

    1/4 (7+W)

    posted on September 15, 2010
  23. Math

    Find the gradient and then substitue the gradient with 1 set of coordinates in the equation of a straight line.

    posted on September 15, 2010
  24. math

    9A+ 4

    posted on September 15, 2010
  25. physics

    The mechanical energy.

    posted on September 15, 2010
  26. Geometry

    180 - 135 = 45 degrees

    posted on September 15, 2010
  27. Math

    Yes.

    posted on September 15, 2010
  28. science

    THANKS A MILLION. Tutocat.

    posted on September 15, 2010
  29. math

    8732 divided by 1

    posted on August 18, 2010
  30. PHYSICS

    Thank you

    posted on August 18, 2010
  31. PHYSICS

    will the scale read 0

    posted on August 18, 2010
  32. math

    No, it is 270.

    posted on August 18, 2010
  33. physics

    thank you drwls

    posted on August 18, 2010
  34. Stats

    A is the symbol used, its not coming through when I type the question. I am not sure what the symbol a is suppose to represent either. I will send my professor an email, hopefully she can provide clarification on this question. Thanks for trying to help

    posted on September 13, 2008