Questions Asked on
May 10, 2019

  1. Statistics

    If it is claimed that the contents of soaps boxes sold weigh on average at least 20 ounces. The distribution of weight is known to be normal; We assume \sigma = 0.5σ=0.5 is known n=30 sample mean weight = 18.5 ounces. Test at the 10% significance level

  2. English

    Is the sentence While some people love cats, others prefer dogs. punctuated correctly? I put comma between two parts

  3. Math

    What is the probability of not rolling a 5 on a die? 1/5 1/6 5/6** 1/4

  4. English Comp

    It's best to avoid using quotations when A. the original words express the exact point you want to make. B. the statement expresses an idea that you want to make clear is not your own. C. you're revealing ordinary facts or opinions. D. the author's wording

  5. Math

    Which is an example of the Symmetric Property? if 3x + 2 = a + 6, then a + 6 = 3x + 2 if a = b and b = 5, then a = 5 if y = 6, then y + 12 becomes 6 + 12 x + 2 = x + 2 *** 2. To properly use the Addition Property of Equality what number would have to be

  6. Calculus

    Find the position vector of a particle whose acceleration vector is a = (6t, 2) with an initial velocity vector (0, 0) and initial position vector (3, 0) Please I need your help with explanation. Thank you

  7. Math

    if the bowl contains 5 red marbles 7 blue marbles and 8 white marbles what is the probability you will draw a red or blue marble? 5/20 15/20** 7/20 3/5

  8. Reading

    Establish a Running Plan A 5-kilometer race is a little over 3 miles long. It is best to start by running a shorter distance and then gradually increase your running distance. This chart will help you to establish a running plan to ensure you are ready for

  9. Mathematics

    Determining the number of seating arrangements with 10 people in 7 chairs required use of ? Combination Permutation** Probability Substitution Determining the number of 3 person committees formed from a club with 12 members requires use of? Combination

  10. businesss math

    Refer to Narrative 11-1. Calculate The compound interest on an investment of $7,500 at 8% intrest, compounded quarterly, for 8 years

  11. Mathematics

    The multiply choice part of an assignment has 4 possible choices from each of the 5 questions how many possible ways can you answer the assignment? 9 1024 40 20**

  12. physics

    In constructing a large mobile, an artist hangs an aluminum sphere of mass 6.0kg from a vertical steel wire 0.50m long and 2.5 × 10^-3 cm^2 in cross sectional area. On the bottom of the sphere he attendes a similar steel wire, from which he hang a brass

  13. Math

    Birth weights of babies in the United States can be modeled by a normal distribution with mean of 7.17 pounds and standard deviation 1.21 pounds. Those weighing less than 5.51 pounds are considered to be of low birth weight. What is the probability that a

  14. Math

    Admission cost to a theatre are adults $5,children $2. If 1000 people paid to enter the theatre and the total receipts were $3800. How many adults attended ?

  15. Science

    Which is a key criterion for the design of an automobile bumper? A. It must absorb shock. B. It must improve fuel efficiency. C. It must be inexpensive to manufacture. D. It must protect the vehicle's occupants. I think the answer is A

  16. Statistics

    1. Find the indicated probability. In a survey of 300 college graduates, 63% reported that they entered a profession closely related to their college major. If 9 of those survey subjects are randomly selected without replacement for follow-up survey, what

  17. English

    7. In which sentence about A Christmas Carol is the word meager used correctly? A. The Ghost of Christmas Future used his meager finger to point to Scrooge’s tombstone. B. Scrooge gave Adam a meager amount of money to reward him for buying an enormous

  18. English Comp

    When punctuating direct quotations, use a ______ after the verb that introduces the quotation A. comma B. colon C. semicolon D. dash My answer is A. Is this right?

  19. English Comp

    Which of the following is an example of a primary source? A. A biography of Benjamin Franklin B. A journal article that reviews various reports on Benjamin Franklin C. A website that tells stories about Benjamin Franklin D. Benjamin Franklin's diary My

  20. English Comp

    According to APA citation style rules, when citing a document on a website, the title of the document is A. bolded. B. italicized and enclosed in quotation marks. C. italicized. D. not enclosed in quotation marks. My answer is C. is this right? I am not

  21. Mathematics

    If you roll a red number cube (numbers 1-6) and a green number cube (1-6) how many possible combinations can you have? 216 18 12 36

  22. Mathematics

    How many different squads of 5 players can be picked from 10 basketball players 252 30,240 50**** 120

  23. English Comp

    8. Which of the following sentences is punctuated correctly? A. The mechanic asked "have you had the oil changed in your car this year?" B. The mechanic asked me "Have you had the oil changed in your car this year"? C. The mechanic asked me, "have you had

  24. history

    Based on this excerpt, which of the following statements is most opposed to Congress’ stance in 1994? A. The national government has a duty to directly protect individual welfare. B. The U.S. economy operates on free-market principles. C. Bill Clinton's

  25. Physics/Science

    A 57-gram tennis ball moving at 70 miles per hour is hit with a 110-gram tennis racquet moving at 60 miles per hour. Which statement best compares the total amounts of mass and energy before and after impact? A. Because the velocities of the ball and

  26. physics

    if a force of 100n stretches a spring by 0.3cm find (f)

  27. Maths

    A bicycle wheel has a diameter of 66cm. During a journey the wheel make 1000 complete revolution. How many meter does the bicycle travel. 3.142 for tita

  28. History

    How did south east Asia geography contribute to the regions economic development? A. Much of south east Asia is separated from the rest of Asia by high mountains, making it difficult place to invade? B. Mini south east Asian countries depending on the

  29. math

    Brenda spent half her money at a store in the mall. At another store, she spent half of her remaining money and $6 more. She has $2 left. How much did Brenda have when she arrived at the mall?

  30. Math

    school water tank is in the shape of a frustum of a cone. The height of the tank is 7.2 m and the top and bottom radii are 6m and 12 m respectively. (a) Calculate the area of the curved surface of the tank, correct to 2 decimal places. (b) Find the

  31. Algebra 2

    Please HELP ME Simplify each polynomial Write in standard form (Hint: watch for the operations, add, sub , multiply) (6s^4+7s^2+7)+(8s^4-11s^2+9s) (4h^3+3h+1)-(-5h^3+6h-2) (8z^3-3z^2-7)-(z^3-z^2+9) I just need the answers to these these few problems I just

  32. Reading

    Take one tablet every 4 to 6 hours. Not more than 3 tablets in 12 hours. Take tablet with 8 ounces of water. Check back with doctor if symptoms are not relieved in 2 days. 43. Using the medication label above, which of the following dosing schedules should

  33. Calculus

    If dy/dx=xcosx^2 and y=-3 when x=0, when x=pi, y=___. -3.215 sqrt2 1.647 6 3pi

  34. Math

    if the bowl contains 5 red marbles 7 blue marbles and 8 white marbles what is the probability you will draw a red marble when you pick one out? 5/20 15/20*** 7/20 2/5

  35. Math

    How many committees of 2 people are possible from a group of 11? 165 22** 13 55

  36. Math

    Pablo averaged 17.3 points for the first 6 basketball games. In his 7th game, he scored 24 points. Which of these is a reasonable conclusion about Pablo’s scoring average? A. His scoring average after 7 games was closer to 24 than to 17.3. B. His scoring

  37. Calculus

    Given the function f(x)=[h(p(x))]^2 and h(5)=1, h'(5)=2, h'(1)=3, p(1)=5, p'(1)=7, evaluate f'(1)

  38. Math

    Mr. Williams just finished grading his science exams. The class average score on his exam was 79%. However, he forgot to grade John's paper. John scored an 86% on the exam. What is going to happen to the class average, once he includes John's score? A. The

  39. English

    Dragonwings: Think about various conflicts in this novel identify and describe one event from the novel that represents a cause-and-effect relationship that creates conflict. Explain the effect the conflict has on other characters in the story. PLEASE

  40. Science

    How are the processes of natural selection and artificial selection similar? How are they different? My answer: They are similar because they both have the same result: species adapting to their environment. They both involve species with good adaptations

  41. math

    pamela is shopping for bottled water at the supermarket. which is the best buy? A 1 2-liter bottle for 0.89 B 3 1-liter bottles for 1.50 ** C 24 0.5 liter bottles for 5.25 D 36 0.025-liter bottlesfor 4.75

  42. math

    A recipe calls for 2 cups of flour to make 24 cookies. How many cups of flour would it take to make 39 cookies?

  43. life orientation

    How fraud and corruption effect the offenders ' career

  44. Financial math

    A couple wants to lend money using the house value as a cover. The lender will lend them 70% of the value of the house. The couple bought the house 12 years ago for $ 79,000. The house is financed by a deposit of 20% and a mortgage loan at 30 years and 12%

  45. math

    -3f^2 + 4f - 3 + 8f^2 + 7f + 1

  46. English Comp

    Prewriting can be helpful when trying to narrow a topic because it A. helps you eliminate ideas that would support your thesis. B. can reveal an interesting angle that may become your thesis. C. can usually be submitted as the final essay. D. raises a lot

  47. Ancient history

    Which features of the Roman government limited individual power

  48. English Comp

    14. The first step in conducting a survey is to A. determine the target sample. B. determine whether to use closed or open questions. C. test sample questions on friends or family members. D. clarify its purpose. My answer is D.

  49. math

    find the mean median and mode of 86, 75, 97, 58, 94, and 58. mean: 78 median:? Mode: 58 am I right?

  50. leadership

    PLEASE HELP I'M SO CONFUSED!! explain two ways you can use your brand statement to improve your leadership skills.

  51. math

    An airplane leaves Skyharbor airport at 8:30 PM. His average flight speed is 585 mph. He travels at 43 degrees east of north. The first half of his flight he encounters a cross wind of 72 mph at a direction of 70 degrees west of north. The second half of

  52. algebra

    h = -16t2 + 32t + 84. find the maximum height how many seconds will it take to reach the ground

  53. Algebra

    find the surface area of the cone. use 3.14 for pi it has a base diameter of 8in and a height of 7in can you show me how to do it I don't need the answer.

  54. Physics/Science

    Which of the following is the best example of Newton's second law? A. A rolling ball comes to a stop because the forces of friction and gravity are acting upon it. B. The acceleration of a skydiver depends upon the force of gravity and wind resistance. C.

  55. Science / Physics

    A vehicle is traveling west with a momentum of 1,800 kg•m/s. A second vehicle is traveling east with a momentum of 1,200 kg•m/s. The vehicles collide. What is the total momentum of the system after the two cars collide? A. 600 kg•m/s westward B.

  56. Math

    Joy is 4 times older than femi. In 6 years time the sum of their ages will be 42. What are their ages

  57. chemistry

    a student needed to standardize a solution of barium hydroxide.he prepared a standard solution with 0.200M of potassium hydrogen phlelete acid KHC8H4O4.this titration indicated equivalence of 27.80cm3 of Ba(OH)2 solution. what's the molar concentration of

  58. Geology

    Describe what you had to do to get CO2 concentrations at or under 350 ppm. When were you able to reach this target? Now try to get below 350 ppm, starting at 2030, assuming we’ve been following the RCP8.5 scenario. What else do you need to do and when

  59. L.o

    When sport can detract from nation building

  60. Math

    For the first 15 questions on a test, 14 questions were answered correctly but only 60% of the remaining questions was correctly answered, 4/5 of the whole test was correct. If each question was awarded of equal value, how many questions was there

  61. physics

    A source of light used for newton's ring experiment consist of two wavelength, wavelength 1 = 7500armstrong and wavelength 2 = 5000armstrong. Given that the mth mark ring of wavelength 1 coincides with the (m + 1)th dark ring of wavelength 2. Determine the

  62. math

    3 ^ 3 * 3 \ 2 Mod 12 * (4 – 2)

  63. physics

    The Earth's radius at the equator is about 6380km and rotates at 360 degrees every 24 hours. The angle of degrees is one degree per person on the equator for an hour

  64. Algebra

    6. given the function rule f(x) = x^2 - 3x + 2, what is the output of f(-2)? a. -8 b. 0 c. 4 d. 12** please help!!!

  65. Math

    How can I construct MT ,the angle bisector of M ,to cut LN at T

  66. Maths

    The velocity of a particle is given by v= t / t^2+3 ms^-1. If the particle is initially at the origin, find its displacement after 10s, correct to 2 decimal places. Answer: 1.77 m

  67. Algebra 2

    Please HELP ME Simplify each polynomial Write in standard form (Hint: watch for the operations, add, sub , multiply) (6s^4+7s^2+7)+(8s^4-11s^2+9s) (4h^3+3h+1)-(-5h^3+6h-2) (8z^3-3z^2-7)-(z^3-z^2+9) 5k(3-4k) 4m(2m+9m^2-6) q(11+8q-2q^2 ) (x-2)(x+4)

  68. Social Studies

    Which of the following is the best explanation for the collapse of the Soviet Union? A. The government spent money on the military and weapons and neglected the rest of the economy. B. The government transitioned from a market economy to a command economy.

  69. History

    when was mlkj born

  70. English

    9. Act II of A Christmas Carol: Scrooge and Marley contains several messages. In a paragraph, explain how one of these messages is conveyed in the second act of the play. Include at least two details from the play to support your points: When one person

  71. english

    Does any one know any reliable plagiarism checks that will check my paper for FREE?

  72. Algebra

    How do I factor the following trinomial? 6x^2-23x-4

  73. Math

    The lengths of three wires were 30m, 36 m and 84m. Pieces of wire of equal length were cut from the three wires. Calculate the least number of pieces obtained.

  74. Calculus

    Find the exact value of the slope of the line which is tangent to the curve given by the equation r = 2 + cos θ at θ=pi/2. You must show your work. My answer is "-1" but my friend has "1/2". Which answer is correct?

  75. Health

    I was wondering if someone could check my answers, thanks :) 1. Drugs that slow brain and body activities are called Hallucinogens Stimulants **Depressants Over-the-counter 2. Drugs that increase brain and body activities are called Hallucinogens

  76. Math

    If other than 8 inches wide and 12 inches long is in large to a poster. If the width is in large to 24 inches what is the length of the poster?

  77. math

    i’m having a hard time understanding this. “write an inequality to represent the situation. the temperature stays above -15”

  78. Science

    Which of the following has the greatest entropy an ice cube steam or a glass of water

  79. science

    Our solar system lies in A) the central ring of the Milky Way. B) one of the spiral arms of the Milky Way. C) in the galactic center of the Milky Way. D) outside the spiral arms of the Milky Way.

  80. English

    If you were adjusting your reading rate to suit your purpose, how would you read lines 29-30 from "a surprise point of view" A. quickly to create the feeling of conversation B. slowly and carefully*** C. quickly to pass over unimportant information D.

  81. Calculus

    yy’-e^x=0, and y=4 when x=0, which means that: y=x-lnx^2+4 y^2=4x^2+3 y=-2x+1/2x^3 y^2=2e^x+14 1/2ln|x^2+4|+6