Questions Asked on
July 16, 2016

  1. Chemistry

    0.110 M in formic acid and 5.5×10−2 M in hypochlorous acid . How to find pH

    asked by Sandov
  2. Maths

    In a box of chocolates, •one-fifth are plain chocolate •one-sixth are white chocolate •the other 38 are milk chocolate. How many chocolates are there in the box?

    asked by Amy
  3. math

    Jason is considering purchasing a new machine to make plastic silverware. The machine produces 1,000 pieces of silverware in two hours. One box contains 50 pieces of silverware and sells for $3.00. If the machine costs $9,000, and runs for 24 hours a day,

    asked by mpho
  4. Physics

    An object is located midway between the focal point and the center of a concave spherical mirror. Draw a ray diagram to locate its image. Is the image real or virtual, erect or inverted, magnified or reduced in size? Completely baffled by above question

    asked by Anna
  5. CHECK MY ALGEBRA 2

    Using the function g(x) = −2 |2 - x|+ 4 and the initial value of 1.72, what is the loop that forms after many iterations? My answers are 2.24, 3.52, 0.96, 1.92, 3.84, 0.32, 0.64, 1.28, 2.56, and 2.88 I'm not exactly sure if this is correct because I feel

    asked by Niklaus
  6. chemistry

    Which is the more stable electron: that in a ground-state H atom or that in a ground-state He+ ion? Explain your choice.

    asked by ben10
  7. Physics

    A projectile leaves the ground at an angle of 60degree to the horizontal.it initial kinetic energy is E. Neglecting air resistance, it kinetic energy at the highest point of the motion is

    asked by Emmanuel
  8. English

    A topic sentence should be very long. 1. True 2. False Please recheck my answer. I say True

    asked by Julie
  9. Grammar

    Every paragraph should begin with a topic sentence. Is this True.

    asked by Sam
  10. math

    find the standard form of the complex number shown below 9(cos 11pi/6 + isin 11pi/6) a. 2/9 - 2(squareroot)3/9 i b. -4(squareroot)3/9 + 4/9 i c. 9/2 - 9(squareroot)3/2 i d. 9(squareroot)3/2 - 9/2 i e. -9(squareroot)3/4 - 9/4 i

    asked by laura
  11. Java

    Need help asap. You are given a list of students' names and their test scores. Design an algorithm that does the following: a. Calculates the average test scores. b. Determines and print the names of all the students whose test score is below the average

    asked by Poohboi23
  12. statistics

    A basketball player makes 60% of the free throws that he attempts, except that if he has just tried and missed a free throw then his chances of making a second one go down to only 30%. Suppose he has just been awarded two free throws. Find the probability

    asked by john
  13. Chemistry HELP!!!

    Which of the following contains the greatest number of particles? A) 4g of helium gas B) 4g of oxygen gas C) 4g of hydrogen gas D) 4g of water Why is the answer C? Pls explain to me clearly, thks!

    asked by Cheezel Lim
  14. Maths

    A bottle of ink was 2/3 full.When 7 pens were filled with ink from the bottle and 2 pens full of ink was poured into it, it was 1/4 full.How many pens can be filled with the full bottle of ink?

    asked by Ajit
  15. algebra

    1. The geometric mean between the first two terms in a geometric sequence is 32. If the third term is 4, find the first term. 2. Insert a geometric mean between k and 1/k. 3. If 2 and 3 are two geometric means between m and n, fond the values of m and n.

    asked by sylvia
  16. English

    All sentences in a paragraph must relate to the idea that the topic sentence in the paragraph introduces. 1.True 2. False I say true. Please recheck my answer.

    asked by Julie
  17. math

    find the trigonometric form of -12-12(square root)3i a. 24(cos2pi/3 + isin 2pi/3) b. 24(cos4pi/3 + isin 4pi/3) c. 12(cos 4pi/3 + isin 4pi/3) d. 12(cos12pi/3 + isin 2pi/3) e. 12(squareroot) 2 (cos4pi/3 + isin 4pi/3)

    asked by laura
  18. Math

    Given that Force 1 = 70 pounds and Force 2 = 120 pounds , find the angle between the forces if the magnitude of the resultant force is 90 pounds . Round answer to the nearest degree. Hi steve, I asked this question earlier and you kindly helped me with it,

    asked by oleg
  19. physic

    A motorcycle racer traveling at 145 km/h loses control in a corner of the track and slides across the concrete surface. The combined mass of the rider and bike is 243 kg. The steel of the motorcycle rubs against the concrete road surface. (a) What is the

    asked by hassan yousif
  20. Math

    95 is the product of vidya's savings and 5

    asked by Paul
  21. Chemistry

    Marcela dissolves 80.0 g of ammonium nitrate in 50.0 mL of water at room temperature and notes that the temperature of the solution decreases by 5.0°C. Which correctly designates the signs of changes of G, S and H for this reaction?

    asked by Damon
  22. pre cal

    The vector u = 94300, 5200) gives the number of units of two models of laptops produced by a company. The vector v = (1800, 1200) gives the price in dollars of the two models of laptops, respectively. Identify the vector operation used to increase revenue

    asked by jessica
  23. physic

    The motorcycle and rider are sliding with the same acceleration as found in Problem 4. If the motor- cycle and rider have been sliding for 4.55 s, what will be the force applied to the motorcycle and the rider when they strike the side barrier and come to

    asked by hassan yousif
  24. Microsoft word

    Elisa and Josh need to access General Help. Elisa will press the F1 key. Josh will click on ? in the upper-right corner of the Word document. Who will access General Help? A. Neither Elisa nor Josh B. Only Elisa C. Both Elisa and Josh D. Only Josh my

    asked by Daniela
  25. Physics

    Find the maximum height and the time of flight of a body fired vertically up from the ground given that it loses 60 percent of its initial speed in rising 4.2m

    asked by Aaz
  26. physics

    The current a series circuit in 5A when an additional resistance of 2 ohm is inserted the current drops to 4A voltage remaining same the original resistance of the circuit is

    asked by sumit dubey
  27. Singh

    what is the total number of orbitals associated with principal quantum no. n =3

    asked by gurpreet
  28. physic

    Kirsten’s mass is 3.73 slugs. Being the physics fan that she is, she decides to see what her apparent weight will be during an elevator ride. Beginning at rest, the elevator accelerates upward at 4.50 ft/s2 for 3.00 s and then continues at a constant

    asked by hassan yousif
  29. Math

    Find the surface area of the right prism with the given features: A right triangle with legs of length 12 a base of length 9 and height equals 23.

    asked by Jennifer
  30. maths

    a rectangular courtyard is 57 cm 50 cm long and 22 m . determine the least possible number of square stones of the same size required to pave it.

    asked by maths
  31. English Grammar

    My English question asked if a topic sentence should be short or long.(true or false) I don't know how to answer this question. is this question false.

    asked by Julie
  32. math

    The average salary of four managers in a firm is BDT 500000 per annum.every year all ten supervisors of that firm are paid BDT 200000each.what is the overrall yearly salary drawn by them in BDT?

    asked by Rashid
  33. Algebra 2

    Is there a way you can input iterations and functions into a Ti-84 graphing calculator because I have some iterations to complete but I'm not exactly sure if its correct and i want to check my work.

    asked by Kole
  34. Calculus

    A spherical balloon is being inflated.Let r(t)=3t can represents its radius at time t seconds and let g(r)=4/3 pie r be the volume of the same balloon if its radius is r.Write (g.r) in terms of t and describe what it represents.

    asked by Anonymous
  35. Chemistry

    A small section of a polymer chain, containing 10 repeating units, has a relative molecular mass of 625. Which of the following monomers could have polymerised to form this chain? ethylene viyl chloride styrene glucose

    asked by Anonymous
  36. geography

    sphere of influence in an organisation

    asked by fulu
  37. math

    find the trigonometric form of the complex number - (square root) 3 + i

    asked by laura
  38. math

    What is the difference between the mean and median of the first four prime numbers that are more than 4?

    asked by tanu
  39. chemistry

    what is activation energy?

    asked by pat
  40. biology

    Give two reasons why the pressure decreases as blood flows along the capillary bed.

    asked by Scarleter
  41. math

    20 red marbles cost $3 while 40 green marbles are available at$4.how much would it cost someone to buy 10red marbles and 50 green marbles?

    asked by Rashid
  42. statistics

    sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants seeds, what is the probability that; a) exactly four seeds will germinated? b) at least five will germinated? c) at most one

    asked by nancy
  43. Math

    Lenth of side of isosceles triangle is 10 cm and angle between them is 30 degree. Find the area of the triangle?

    asked by Atreyee
  44. chemistry

    a given sample of MgCl2 solution has 6×10^23 ions. what is the number of Cl(-1) ions in the same solution?

    asked by hassan
  45. Healthcare

    What are some concerns in informatics? privacy and confidentiality protection of human subjects from potential misuse a and b there are no potential threats to anyone A?

    asked by Anonymous
  46. computer ( theory )

    A designer wishes to include some multimedia components on a web page. a) If the designer has some images stored in files, there are two possible formats for the files.. i) Describe the approach used if a graphic is stored in a vector graphic file ii)

    asked by DAVID
  47. maths

    I applied Gauss Jordan on a matric and result what i get is x+2y=3 y=0 z=free How to find three intersection points for this system? Kindly help

    asked by Asfand
  48. math

    two groups of students went into the shop. the first group bought four hot dogs and six juices and paid $71. The second group bought three hot dogs and seven juices and paid $67. What were the prices for these items?

    asked by munyaradzi
  49. math

    Thewhat is the difference between the mean and median of the first four prime numbers that are more than 4? The mean=9 and the median =11.so the ans should be -2.but in the answer sheet the ans is 0..how?

    asked by tanu
  50. math

    20 red marbles cost$3 while 40 marbels are available at$4.how much would it cost someone to buy 10 red marbles and 50 green marbles? 1.$3.50 2.$4.00 3.4.50 4.5.00 5.5.50

    asked by tashi
  51. math

    If x^2-11x+3x

    asked by Rashid
  52. maths

    If two matrices are known and are inverse of each other.How can we use these matrices to find the point of intersections for the given set of 3D planes? Kindly help

    asked by Asfand
  53. numeracy

    . A mine workers' transport vehicle can carry 36 workers. All workers need to be transported to the mine daily across a 90 minutes period: 6.30-8.00 in the morning, and 4.00-5.30 in the afternoon. The round trip takes 15 minutes. If 1134 workers need to be

    asked by ngoc
  54. math

    your report card comes out on the day the 8millionth second passes in the new (non-leap) year. what day is that?

    asked by Anonymous
  55. HealthCare

    Sexually transmitted diseases are not considered as indicators of limitations of health communication. True False Help?

    asked by Anonymous