Bell

Newest questions posted by Bell
  1. Chemistry-Help Please

    Help please. Am doing a past exam paper and I hit a road block with this question: Chloride in a brine solution is determined by a precipitation titration. A 10.00 mL aliquot of the solution is titrated with 15.00mL of standard 0.1182 M AgNO3 solution. The
  2. math

    mrs. lemeke has 10 2/3 ounces of fertilizer . she plans to use 3/4 ounce of fertilizer on each plant. After she puts fertilizer on as many plants as she can, how much fertilizer will be left over?
  3. history

    Explain the advantages and disadvantages for independence
  4. art

    how has the artist used value in this painting? A.The background is lighter than the foreground to draw the viewer's eye B.The artist did not use value in this painting C. The subject is lighter than the background to draw the viewers eye D. The subject of
  5. Math Urgent

    In a survey of 63 people, 23 people subscribe to magazine A, 21people subscribed to magazine B,and 17 people subscribed to magazine C. For any two of the magazines,4 people subscribed to both magazines but not to the third magazine. If 5 people in the
  6. Math using symbols

    1)The star diagram *** **** *** **** may be used to demonstrate the truth of a) 3x4=4x3 b) 2+(3x4)=2x(3+4) c) 2x(3+4)=(2x3)+(2x4) d) 2x(3x4)=2x3x4 2)The star diagram *** **** ***** may be used to demonstrate the truth of a) 3x4=4x3 b) 3x4x5 c) 3x(4+5)=3x4
  7. Math

    1) Each side of a triangle is a different length. One side is 6, one side is more than 6, and one side is less than 6. The perimeter of the triangle could not be... a.13 b.18 c.22 d.24 2)Which of the following could not be the measures of two of the three
  8. Math

    A whale weighs 120 to a. Baby weighs 1/40 of the weight of adult whale. How pounds does baby whale weigh.
  9. error analysis

    I would like to know the meaning of Omission,Addition, Misformation, Misordering and Blends. You can find the meaning and for example of each meaning ?
  10. chem

    Please explain: 1) if MnO2 when in a fast reaction with H2O2 appear in balanced equation and 2)purpose of manganese dioxide. Thanks
  11. error analyze

    Can you check grammatical error, word use error and sentence structure error in this text? >>>This text is text, teacher to come to find the errors. I need you help just tell the error of each part. What's there? >>>Thank you<<<
  12. MATH

    Which is an example of the opposite of a sum property? (Points : 4) a –8 + (–13) = –13 + (–8) b 11 + (–14 + 5) = (11 + (–14)) + 5 c 16 + (–16) = 0 d –(22 + 1) = –22 + (–1)
  13. Data Structure

    A group of k villagers must cross, the Sarawak river, which is a wide and deep river. There is no bridge in sight. They notice two 10-year-old boys playing in a rowboat at the shore. The boat is so tiny and it can hold only two boys or one villager. How
  14. statistic

    Listed below are the ages of actresses and actors at the times that they won Oscars for the categories of Best Actress and Best Actor. The ages are listed in chronological order by row, so that corresponding locations in the two tables are from the same
  15. statistic

    Listed below is a simple random sample of sitting eye heights (in mm) of men (based on anthropometric survey data from Gordon, Churchill, Clauser). Determine whether these sample heights appear to come from a population with a normal distribution. Explain.
  16. math

    Pregnancy Test Results Positive Test Result (Pregnancy is indicated) Negative Test Result (Pregnancy is not indicated) Subject is pregnant 80 5 Subject is not pregnant 3 11 a) Based on the results in the table, what is the probability of a women being
  17. Math

    Your parents allow you to play video games for no more than 8 hours a week. You have already played for 2.5 hours this week. Write and solve an inequality that represents how much more time you can play video games this week. Graph the solution on a number
  18. Math

    A person who weighs 130 pounds can burn about 300 calories per hour skateboarding. Write a function that relates the calories burned, c, to the number of hours, h, spent skateboarding. Identify the independent and dependent variable. Create a function
  19. Math

    Graph and identify the coordinates of a rectangle with a length of at least 5 units and a width of at least 2 units. Each vertex of the rectangle must be in a different quadrant. Two of the points must have rational coordinates that are not integers.
  20. math

    A rocket takes off vertically at time t=0, and during the first 10 s of flight its acceleration in m/s^2 is given by a(t)=10t-t^2 find the height reached by the rocket after 10s.
  21. HELP PLEASE!!!!!!!

    (This question has been removed due to a copyright claim submitted by Connections Education.)
  22. Needing HELP PLEASE!!!

    Which value correctly completes the statement? 6,501.5 KM = ______ m Options: 1. 6,501,500 2. 65,015 3. 650,150,000 4. 650.15
  23. Math Help Please!!!!!!

    Which figures will always be similar to each other? two rectangles, two trapezoids, two equilateral triangles, or two hexagons.
  24. Language Arts Help!!!!!

    Identify two regular and two irregular polygons in your home or community. How do you know they are regular or irregular? Do you think regular or irregular polygons are used more frequently in the design of objects and buildings in the world? Explain.
  25. Language Arts Help!!!!!

    When you read a folktale, fantasy, or myth, you most likely will learn something about?
  26. Math Question

    The Silk Road stretched ____ miles from western China to Southwest Asia.
  27. Math Question

    Which of these was received by Chinese merchants when trading with the West?
  28. Math Question

    Why did most merchants not travel the entire distance from China to the Middle East to trade their goods?
  29. Math Help Please!!!!

    Which type of angle do construction workers use when building to make sure that the walls and floors of a building are perpendicular?
  30. Math Help Please!!!!

    Which type of angle do construction workers use when building to make sure that the walls and floors of a building are perpendicular?
  31. Math Help Please!!!!

    Natalie picked 135 berries in 15 minutes. If she continues picking at that rate, how long will it take her to pick 486 berries? Explain.
  32. Math Help Plaese!!!!!!

    Calculate the final price you would pay to buy jacket that originally sells for $65, but is discounted by 40%; you also have to pay 5% sales tax. Explain.
  33. PLEASE HELP!

    Mary's yard is a mess. She needs to hire someone to prune her trees and shrubs. A landscaping service she calls quotes her a price of $15 consultation fee plus $8 an hour for the actual work. Mary's neighbor has offered has offered to help her out. She
  34. SS

    Which of the following describes how water molecules move in a wave?
  35. SS

    Which of the following influences ocean tides?
  36. SS

    Upwelling occurs when ____.
  37. SS

    If the California Current stopped flowing, the temperature in San Francisco would probably be ____.
  38. SS

    The layer in the ocean where the temperature varies with depth is called the ____.
  39. SS

    Which of the following describes why waves form?
  40. SS

    The water for Earth’s oceans originally came from ____.
  41. SS

    Earth’s oceans cover nearly ____ of Earth’s surface.
  42. SS

    A storm with winds over 120 km/h that can last several weeks is a ____.
  43. SS

    During an occluded front, a fast-moving cold front overtakes a slower moving ____ front.
  44. PLEASE HELP!

    Which of the following ratios are equivalent to five-twentieths? (Hint: There is more than one equivalent ratio.)
  45. PLEASE HELP!

    Which of the following ratios are NOT equivalent to four eighths ? (Hint: There is more than one that is not equivalent.)
  46. PLEASE HELP!

    A jar contains 24 blue marbles, 16 red marbles, and 14 white marbles. Find the simplified ratio of total marbles to red marbles.
  47. PLEASE HELP!

    Elizabeth has 17/10 as many plants as Rosalie has in her garden. If Elizabeth has 51 plants, how many plants does Rosalie have in her garden? Explain.
  48. PLEASE HELP!

    Jordan has 4/5 as many DVDs as Joseph. If Jordan has 56 DVDs, then how many does Joseph have? Explain.
  49. HELP PLEASE!!!!!!!

    A teacher brings 3 gallons of juice on a field trip. There are 36 students on the trip. a. How many fluid ounces of juice does the teacher bring? Show your work. b. Does the teacher have enough juice to give each student a 12-fluid ounce glass of juice?
  50. Math

    Eliza and Jamie are making cupcakes for a bake sale at school. Eliza need 2one third c of flour for her recipe and Jamie needs 1three fourths c for her recipe. They have 4 c of flour. Do they have enough flour for both recipes? Explain.
  51. calculus

    Sasha is in the park with her friend megan. They are separated by 50 ft. megan lets go of his red ballon and it goes straight up in the air. At what rate is sasha's eye angle changing if he is watching the ballon rise at a rate of 4 ft per sec, the moment
  52. Math

    Dinner: 5:45 p.m. until 6:10 p.m. What is the elapsed time? Explanation why your answer is correct:
  53. Math

    Time with friends: 4:05 p.m. until 5:45 p.m. What is the elapsed time? Explanation why your answer is correct:
  54. Math

    Schoolwork: 12:50 p.m. until 4:05 p.m. What is the elapsed time? Explanation why your answer is correct:
  55. Math

    Lunch and Piano Practice: 11:15 a.m. until 12:50 p.m. What is the elapsed time? Explanation why your answer is correct:
  56. Math

    Schoolwork: 7:35 a.m. until 11:15 a.m. What is the elapsed time? Explanation why your answer is correct:
  57. Math

    Write and solve an equation for the situation. Eight and one-half years ago, Steven was 7 years old. How old is he now? Explain.
  58. Math

    Joseph had 7 1/4 ounces of candy to share with his friends. He gave them 2 4/5 ounces of candy when they came over to play video games. How many ounces of candy does Joseph have left? Explain.
  59. Math

    Write and solve an equation for the situation. Eight and one-half years ago, Steven was 7 years old. How old is he now?
  60. Math

    Solve the equation. a + 1/3 = 6/7.
  61. Math

    Solve the equation using mental math. 6 6/7 = n + 5 3/7 = ?
  62. Math

    Find the difference. 6 - 3 1/4 = ?
  63. Math

    Find the difference. 6 3/5 - 2 1/4 = ?
  64. Math

    Find the difference. 7 1/2 - 6 3/10 = ?
  65. Math

    Find the sum. 1 3/5 + 8 1/2 = ?
  66. Math

    Find the sum. 3 3/15 + 4 2/5 = ?
  67. Math

    Find the sum. 5 9/13 + 5 9/13 = ?
  68. Math

    Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th, what would be the first date that she has to choose between cheerleading and
  69. Math

    Harry rides his bike 25 3/8 miles. Karen rides her bike 25 2/5 miles. Who rides farther? Explain?
  70. Math

    Harry rides his bike 25 3/8 miles. Karen rides her bike 25 2/5 miles. Who rides farther?
  71. Math

    Order the numbers from least to greatest. 3/8, 19/24, 2/3.
  72. Math

    Compare the pair of numbers. Use <, =, or >. 3/4[_]33/40
  73. Math

    Use prime factorization to find the LCM of 30 and 40.
  74. Math

    A truck’s engine needs 3one over four gallons of oil for an oil change. How many quarts of oil are needed? (Hint: 1 quart = one over four gallon)
  75. Math

    Write 3 1/3 as an improper fraction.
  76. Math

    Write the fraction in simplest form. 10/22
  77. Math

    Which fractions are equivalent to 25/45 ?
  78. Math

    An “A” train leaves a subway station every 12 minutes. An “E” train leaves every 9 minutes. If both trains just left the station on parallel tracks, when will both leave the station together again?
  79. Art

    This machine changed the way early books were made.
  80. Art

    This was the purpose of a missal.
  81. Art

    Early books were illustrated using this technique.
  82. Math

    To make a sandwich, Steve uses 1/8 lb of ham and 1/5 lb of cheese. How much more cheese than ham does he use?
  83. Math

    What is the first thing you need to do to add 1/9 + 5/6 ?
  84. Math

    If Nell works 3/4 of an hour on Monday and 6/10 of an hour on Tuesday, how much time will she work altogether?
  85. Math

    Eric eats 1/6 of an apple pie and Jack eats 1/4 of the apple pie. How much of the pie has been eaten?
  86. Math

    Yolanda completed 14/25 of her math problems before her break and 1/5 of her math problems after her break. What fraction of her math problems did she complete?
  87. Math

    If Joyce reads 1/6 of her book on Monday, 2 over 5 of her book on Tuesday, and 1/3 of her book on Wednesday, what part of her book does she read?
  88. government

    How many years the member of australian cabinet hold their position? After 3 years there will be a election at house of representative does it also include the changes of the cabinet member? but how about the election of senate member? im sorry i really
  89. Science

    The unit m/s is the _____.
  90. Science

    To calculate _____ you divide the total distance traveled by the total time it takes to travel that distance.
  91. Science

    A baseball travels 50 m in 10 s. What is the average speed of the baseball?
  92. scientist

    Pretend you are a scientist and you just found a solid substance in the ground where you were digging. What types of tests would you do on this substance? How would you determine if it is a rock or a mineral? Describe your substance (yes you can make
  93. History!!! Help me!! Thank you!!

    1. Find a line that shows that Mr. Covey did not care that Douglass was too sick to work. (Chapter 10) 2. Find a line that shows that Master Thomas did not believe Douglass’ complaint against Mr. Covey. (Chapter 10) 3. Find a line that shows that Mr.
  94. Lauguage arts and History

    I need help these! Please help me! Thanks! Identify two parts of chapter 10 that struck you the hardest from Frederick Douglass’ descriptions. Create a T Chart with quotes on the left and your response on the right. 1) What should be done about the newly
  95. social studies

    What is another name for a tribe's tribal healer/medicine man/ spiritual leader?
  96. Algebra 1

    A family is having a pool built in their backyard. If their yard is rectangular and measures 7x by 6x and the pool is circular with a radius of 2x how much of the yard will be left over after the pool is built? The answer needs to in factored form.
  97. Math

    Construct a stem and leaf plot with the following data landmarks there should be at least 12 data entries in your plot median: 57 minimum: 42 maximum: 78 mode: 60
  98. Math

    Ray makes an array that has 4 rows of 4 counters. He wants to make two more arreys using the same number of counters. He wants more than one counter in each row. What two arrays can he make? Please help!
  99. world history

    I need a list of Physical features Marco Polo would have seen on his journeys.
  100. social studies

    I need a few things for World Cultures that have to do with legacy of Rome Two examples each. Alphabet, Government, and Architecture. And again that's 2 examples each

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