Questions Asked on
September 4, 2017

  1. chemistry

    Examine the unbalanced equation. CH4 + O2 → CO2 + H2O What is the best classification for the unbalanced equation's reaction, and why? It is a combustion reaction because carbon dioxide (CO2) is emitted as a product. It is a synthesis reaction because O2

    asked by check please
  2. Math hw

    Find all real numbers $x$ such that $3x - 7 \le 5x +9$. Give your answer as an interval.

    asked by Cherry
  3. Algebra

    A total of 556 tickets were sold for the school play. They were either adult tickets or student tickets. There were 56 more student tickets sold than adult tickets. How many adult tickets were sold?

    asked by Vanessa
  4. Physics

    tarzan swings a vine of length 4m in a vertical circle under the influence of gravity. When the vine makes an angle of 20degrees with the vertical, Tarzan has a speed of 5m/s. Find centripetal acceleration, tangential acceleration and the resultant

    asked by ZK
  5. chemistry

    Examine the equation. 6CO2 + __H2O → C6H12O6 + 6O2 In order to balance the equation, what coefficient must be placed in front of H2O 4 6 12 1 please help

    asked by lydia
  6. Advanced Algebra

    Robert borrowed $750 from his parents to make some repairs on his car. He promised to repay the loan by giving his parents at least $67 from his paycheck each week. Assuming Robert sticks to his promise, which of the following is not a possible scenario

    asked by Steve
  7. Advanced Algebra

    Rudolph borrowed $650 from his parents to make some repairs on his car. He promised to repay the loan by giving his parents at least $76 from his paycheck each week. If x represents the number of weeks, which linear inequality represents the amount of debt

    asked by Steve
  8. Algebra A (1510)

    The "perpendicular bisector" of the line segment $\overline{AB}$ is the line that passes through the midpoint of $\overline{AB}$ and is perpendicular to $\overline{AB}$. The equation of the perpendicular bisector of the line segment joining the points

    asked by Jamie
  9. math

    In Matt’s pocket there are 8 watermelon jellybeans, 4 vanilla jellybeans and 4 butter popcorn jellybeans. What is the smallest number of jellybeans that he must take out of his pocket to be certain that he takes at least one of each flavour? I think the

    asked by jianguo
  10. Math

    Is it possible for a composite number to have more than one prime factorization? Is it possible for a number to have no prime factors? Why? Give an example of how prime factorization could be used in the real world.

    asked by Young Lil G
  11. Question

    @Alex asked this question when I was on earlier: Let line l_1 be the graph of 5x + 8y = -9. Line l_2 is perpendicular to line l_1 and passes through the point (10,10). If line l_2 is the graph of the equation y=mx +b, then find m+b. I'm wondering like how

    asked by Yuuna
  12. managerial economics

    A company wants to estimate how effective different types of advertising are for promoting its products. Specifically, the company is interested in estimating the effectiveness of radio advertising and newspaper advertising. A sample of 50 cities is

    asked by brite
  13. 9th Grade Foundations of Math 1

    7/3y - 8 = 111 Equations.

    asked by Kayla
  14. Language Arts

    The author of "My Brother's Keeper", includes the line "and Jamie thought to himself, this time it must be bad" in Jamie's phone conversation with Ted in order to a. explain how Uncle Harry usually takes care of Ted. b. develop Ted as a character who is

    asked by Sam
  15. Focus on the Child, Part 2

    In helping infants and toddlers cope with anger, all of the following are helpful except A. preventing possible frustration. B. denying the anger. C. providing for their physical needs. D. examining how you cope with anger. my answer is d.

    asked by Priscila
  16. Maths

    Two wires support an electricity pole. if the wires make angles of 58°and 67° with the ground and |AB|=21m, calculate the lengths of the wires

    asked by mishael
  17. English

    Why does Squeaky not know at first who had won the race in "Raymond's Run". A. Raymond has climbed a fence.* B. The May Pole gets in the way. C. The finish is very close. D. Mr. Pearson talks too softly. I think it's either A or C

    asked by Ahxello
  18. Mathie mathie mathie

    Find B - A if the graph of Ax + By = 7 passes through (2,1) and is parallel to the graph of 2x - 7y = 3.

    asked by Lake
  19. AP Physics Springs - very confusing question

    This is part of a lab with a mass attached to a spring, and the mass attached is of unknown weight. Which of the following can you measure to find one of the unknown masses? You can select more than one. a) the distance the mass stretches the spring b) the

    asked by Tyger2020
  20. Math

    Five years ago, a father was 3 times as old as his son. Now, their combined ages amount to 110 years. Thus, the present age of the father is?

    asked by Joseph
  21. Math. Please help!!

    The "perpendicular bisector" of the line segment \overline{AB}(The backslash then over line with the {AB} means that there's a line over AB) is the line that passes through the midpoint of \overline{AB} and is perpendicular to \overline{AB}.

    asked by Jamie
  22. Focus on the Child, Part 2

    In J. Raonald Lally's gifts for healthy brain growth, the gift of predictability is related to A. consistency. B. respect. C. safety. D. comfort. my answer is a.

    asked by Priscila
  23. Art

    All of the following are true of Meta Warrick Fuller's "Talking Skull" EXCEPT

    asked by anon
  24. math

    in a school,180 students play hockey or football.the number that play football is 5 more than twice the number that play hockey.if 15 students play both games and every student in the school plays at least one game,find:1) the number of students that play

    asked by Anonymous
  25. Physics

    tarzan swings a vine of length 4m in a vertical circle under the influence of gravity. when the vine makes an angle of 20degree with the vertical, tarzan has a speed pf 5m/s. Find the centripetal acceleration, tangential acceleration and the resultant

    asked by Anonymous
  26. triangles quadrilaterals

    Using a protractor and a ruler draw triangle ABC with A=35 and AC=6 and C=65

    asked by Thatu
  27. History

    Objectives of the Camp David Accord. Did the US improve its relationship with the Arab World?

    asked by Susan
  28. furth math

    in a school,180 students play hockey or football.the number that play football is 5 more than twice the number that play hockey.if 15 students play both games and every student in the school plays at least one game,find:1) the number of students that play

    asked by Anonymous
  29. Algebra A

    The "perpendicular bisector" of the line segment \overline{AB}(The backslash then over line with the {AB} means that there's a line over AB) is the line that passes through the midpoint of \overline{AB} and is perpendicular to \overline{AB}.

    asked by Jamie
  30. Chemistry and @DrBob222

    Sorry for the mix up -- here's what DrBob222 posted for the Chm or Chemistry question: What subject is CHR? If you don't label the subjects correctly the proper tutor won't know you need help. This question can't be answered as posted. You need the

    asked by Writeacher
  31. Math Homework That Was Due 2 Weeks Ago

    A and B are constants such that the graphs of the lines 3x - 4y = 7 and 8x + Ay = B are perpendicular and intersect at (5,2). What is A+B?

    asked by Isreal
  32. Life orientations

    What are the negative impacts of risk behaviors on, social, economic, physical and emotional mental

    asked by Liana
  33. Math

    Kathrina wants to buy a lot which costs 1 million pesos. She plans to give a down payment of 20% of the cost, and the rest will be paid by financing at annual interest rate of 12% for 10 years in equal monthly installments? What will be the monthly

    asked by K.
  34. Math! Please Help It's Due Today!!!!!

    Let line l_1 be the graph of 5x + 8y = -9. Line l_2 is perpendicular to line l_1 and passes through the point (10,10). If line l_2 is the graph of the equation y=mx +b, then find m+b.

    asked by Alex
  35. English

    posted by rfvv Saturday, September 2, 2017 at 2:06am. 1. I'll get you Mr. Smith. 2. I'll put you through to Mr. Smith. 3. I'll connect you to Mr. smith. 4. I'll transfer your call to Mr. Smith. (Are they grammatical and similar in meaning?) • English -

    asked by rfvv
  36. Engish

    1. You need not have done it. 2. You need have done it. -------------------------- Are they all grammatical?

    asked by rfvv
  37. physics

    What is the length of copper wire is required to produce a 4mohm resistor? Assume the diameter of the wire is 1mm and that the resistivity roh copper is .0000000178ohmm

    asked by beyene dendea
  38. English

    1. She is on the phone, so call back later. 2. She is on the line, so call back later. 3. She is on another phone, so call back later. 4. She is on another line, so call back later. ----------------------- Are they all grammatical?

    asked by rfvv
  39. chemistry

    What volume of distilled water should be added to 500ml of a solution of sulphuric acid to 90% by weight, density 1.81 g.mL-1, to obtain a 10 Molar solution?

    asked by Shania
  40. English

    Which pronouns in the selection help indicate the point of view A. My, Him, and He B. Our, He, and They C. Our, I, and Me* D. Him, He, and They

    asked by Ahxello
  41. Geography

    Georgia's north easternmost region is the A) Blue Ridge B) Coastal Plain C) Valley and Ridge D) Appalachian Plateau

    asked by Cubangirl853
  42. math

    How much pure anti freeze must be added to 10 gal of 10% antifreeze solution to increase its concentration to 60 % anti freeze? If X represents the number of pure antifreeze solution, what is the correct statement of the problem?

    asked by EDDY
  43. Geometry

    JK=2x+1 KL=6x JL=81 K is between J and L. Use the Segment Addition Postulate to solve for the variable

    asked by Sydney
  44. English

    posted by rfvv today at 8:58am. 1. You need not have done it. 2. You need have done it. -------------------------- Are they all grammatical? • Engish - Writeacher today at 9:05am 1 is okay, but 2 is not. 2 could be rephrased like this ~~> You need to

    asked by rfvv
  45. Economics

    You decide to estimate the following quarterly sales forecasting model for new boat sales in your local county: Qt = a + bt + cD The equation is estimated using quarterly data on new boat sales in the county from the 3rd quarter of 2001 to the 4th quarter

    asked by brite
  46. Math

    Graph the inequality on the numberline and then write it in interval notation. 5/3y < 10

    asked by Lauren
  47. English

    Could you check this? Complete the questions. I wrote my answers with capital 1. WASN’T just the best concert? 2. DIDN’T you get the tickets for free? 3. DON’T you want to go out for dinner? 4. DIDN’T we come to this place last month? 5. WOULDN’T

    asked by Eliz
  48. College Algebra

    Graph the inequality on the number line and then write it in interval notation. Y+1/2≥2/3.

    asked by Lauren
  49. English

    Could you check this? Complete the questions. I wrote my answers with capital 1. Researchers are SUPPOSED TO BE VERY careful when working in the lab. 2. They ARE SUPPOSED TO CHECK and recheck dangerous experiments. 3. They are SUPPOSED TO THINK before

    asked by Eliz
  50. all of them

    numbers

    asked by anymous
  51. statistics

    According to Chebyshev’s theorem, what proportion of a distribution will be with k=4 standard deviations of the mean? Show all work as to how to find this

    asked by sharon
  52. Focus on the Child, Part 2

    Which one of the following questions would best foster language development in a child? A. Did you ride your bike today? B. Did you see the new puppy? C. What did you do at the park today? D. Would you like strawberries with your lunch? my answer is d.

    asked by Priscila
  53. English

    1. There is a telephone booth around the corner. 2. There is a telephone box around the corner. (Can we use 'box'? Are both okay?)

    asked by rfvv
  54. chemistry

    Calculate how many mg of potassium hydroxy are needed to neutralize 75mg of mefenamic acid .

    asked by Taylor
  55. psychology

    does someone know a good website that includes b.f. skinner in behavioral approach ,or just inform about him?

    asked by sara
  56. math

    The distance between two towns P and Q is 390 km. John left town P at 7:30 am and travelled towards town Q at an average speed of 60 km/hr. Half an hour later Patrick left town Q and travelled towards town P at the same speed. At what time did they meet? *

    asked by kelvin
  57. science

    How is this equation balanced Fe2o3+co

    asked by Nancy
  58. Science

    How do you identify energy may be dissipated in such an energy conversion?

    asked by Katya
  59. Math

    Graph the inequality on the numberline and then write it in interval notation. 2/3a-1/4a

    asked by Key
  60. Science

    What is the relationship between energy and work?

    asked by Sohyang
  61. geometry

    find the coordinate of the midpoint (7,3) (-1,-3)

    asked by Anonymous
  62. Math

    Let line l_1 be the graph of 5x + 8y = -9. Line l_2 is perpendicular to line l_1 and passes through the point (10,10). If line l_2 is the graph of the equation y=mx +b, then find m+b.

    asked by Alex
  63. Spring kinetic energy -- please help...

    A mass is attached to a spring. When is the KE at its maximum? a) at equlibrium b) at the highest point c) at the lowest point d) after the spring has performed many oscillations and returned to equilibrium I'm not sure, since none of the choices imply

    asked by Anon.
  64. Spring constant physics?

    What is the spring constant of Spring 1, in N/m? This is in an online lab. All I know about spring 1 is that it is 30cm long, and with a mass of 250g attached, it reaches 55cm long. My answer of 4.5 (.25 * 10 = k * .55) is incorrect...why? Thank you!

    asked by Anon.
  65. Math

    2x^3 + x^2 - 5= 0 x=? Is this possible to solve?

    asked by Fred
  66. Math

    2x^3 + x^2 - 5= 0 x=? What is the process I must do in order to get the answer?

    asked by Fred
  67. English

    I have to complete the text. I did with capital letter. Could you check it. When I applied to university, I WASN’T PLANNING ON studying a language. While I WAS SEEING courses, I talked to a counsellor who suggested it. He said many young people WERE

    asked by Eliz
  68. chemistry

    thanks!

    asked by snow
  69. English

    In this exercise I have to choose the best answer. Could you check them. Thanks 1. The supplies were ordered were not the ones we received. A. You should changing, suppliers. B. You ought to change supplies. C. You had better supplies. D. You might want to

    asked by Eliz
  70. English

    Could you check this exercise? thanks Six sentences have been removed from the text. Choose from the sentences A-F. A. Get into writing B. Can’t settle on C. Go through D. Can get into E. Get on this F. To get down to details. I think I’ll really (1)

    asked by Eliz
  71. Mellis

    What Quadrant would -5.5,0 be in? I know it would either be 2 or 3.

    asked by Anonymous