sarah

Newest questions and responses by sarah
  1. math

    One out of 22 high school ball players plays college ball. One out of 27 college players plays professional ball. What fraction of high school players plays professional​ ball?

    asked on December 6, 2018
  2. science

    ________digestion occurs in small intestine through the action of enzymes. PlZ help ASAP

    asked on November 29, 2018
  3. Algebra

    A ball is thrown vertically upward from the ground. Its distance in feet from the ground in t seconds is s=-16t^2+208t. After how many seconds will the ball be 640 feet from the ground?

    asked on November 25, 2018
  4. history

    Read the summary. The Ottoman Empire began as the unification of Seljuk tribes, organized by Osman Gazi (1). The Ottomans were a hybrid of the Turkish, Byzantine, and Muslim cultures (2). They embraced the Eastern Christian Orthodox religion and denounced

    asked on November 16, 2018
  5. math

    7. Make b the subject of the equation A = 1 × 𝑏𝑏 × ℎ . 2 (a) b = 1 × 𝐴𝐴 × ℎ (b) b = 1 × 𝐴𝐴 2 2 ℎ (c) b = 2 × 𝐴𝐴 × ℎ (d) b = 2 × 𝐴𝐴 ℎ

    asked on November 9, 2018
  6. Physics

    An escalator carries 60 people of average mass 70 kg to a height of 5m in one minute.Find the power needed to do this.

    asked on November 1, 2018
  7. History

    Which of the following is not a reason why the confederate Army was able to take control of Fort Sumter? A. The Confed. Army had fort Sumter surrounded B. The confed. troops broke through the fort’s defenses and invaded the fort. C. The confed. Army

    asked on October 29, 2018
  8. Chemistry 30

    predict the products of the reaction between acidified H2O2 with potassium permanganate solution H2O2 (l)  KMnO4 (aq) + 2H2O (l) + 6H+ (aq) + 6e- H2O2 (l) + 2H2O (l)  KMnO4 (aq) + + 6H+ (aq) + 6e- is this right? I'm confused. May I please get help?

    asked on October 25, 2018
  9. computer science

    I have to write a program in java that prompts and reads the size of a table (assume the table is math square table), and plotting number and star as the following pattern in the output. For example: when reading size = 4, the table in the output should

    asked on October 16, 2018
  10. English

    The race began modestly, in 1970, with only 110 people in the race. This revision combines sentences (4) and (5) in paragraph 3. Choose which sentence type BEST describes this revision.

    asked on October 3, 2018
  11. algebra

    A horizontal pedestrian bridge is supported from a parabolic arch. The bridge goes above a roadway that is 49 feet wide. At ground level, the Main Street span of the arch touches the ground, the arch is 16 ft. High. How tall is the arch at it’s tallest

    asked on October 2, 2018
  12. chemistry

    What mass of copper is produced when an excess of sodium is added to 5.0 g of copper sulfate?

    asked on September 30, 2018
  13. chemistry

    What volume of oxygen is produced when 200cm³ of hydrogen peroxide with concentration of 2.5moldm⁻³ fully decomposes? Give your answer to 3s.f. in dm³ and assume reaction takes place at STP.

    asked on September 30, 2018
  14. math

    The graph above compares age of a car to its value. which of the following is the age of the car when its value is $12,500?

    asked on September 25, 2018
  15. writing

    So these 2 best friends are going to enter a contest to win concert tickets(of whom they both love ever since childhood), but it turns out only 1 can win, so one of the best friends entered the contest without the other knowing.

    asked on September 23, 2018
  16. Science

    A serial dilution is set up with an initial antigen concentration of 250 ug/mL. A serial dilution is carried out where 20 uL is moved from each tube into an adjacent which has been prefilled with 80 uL of buffer. What is the tube concentration of tube 8,

    asked on September 21, 2018
  17. Physics

    An object is located at the point (−3.00m,4.00m,0.00m). A position vector connects this object to the origin. Find the magnitude of the position vector and the angle it makes with the positive x-axis. I know the magnitude is 5.00m, how do I find the

    asked on September 19, 2018
  18. Physics

    A given force F→ is located in the yz-plane. It has a magnitude of 18N and is directed at a 30.0° angle clockwise from the positive y-axis. (a) Describe F→ using polar notation. (b) Describe F→ using its y- and z-components. (c) Describe F→ using

    asked on September 19, 2018
  19. English

    What does Penny mean when she refers to "patriarchal surveillance" on the Internet? In the story "Penny Cybersexism"

    asked on September 18, 2018
  20. Statistics

    An important measure of the performance of a locomotive is its "adhesion," which is the locomotive's pulling force as a multiple of its weight. The adhesion of one 4400-horsepower diesel locomotive model varies in actual use according to a Normal

    asked on September 15, 2018
  21. chemistry

    in nature, 51% of bromine atoms are bromine-79 and the other 49% are bromine-81. what is the mass number for each of these isotopes

    asked on September 9, 2018
  22. Physics

    A Chinook salmon can jump out of water with a speed of 6.60 m/s . How far horizontally d can a Chinook salmon travel through the air if it leaves the water with an initial angle of θ=27.0° with respect to the horizontal? (Let the horizontal direction the

    asked on September 7, 2018
  23. Math

    Use the well-ordering theorem to show that, if ∅ ⊂ A ⊆ Z and A is bounded superiorly (that is, there exists c ∈ Z such that for all a ∈ A a ≤ c), then A has a maximum element.

    asked on September 5, 2018
  24. Georgia History

    In a fully developed paragraph, explain how Georgia's location in the world affects its economy, culture, and development

    asked on September 2, 2018
  25. History

    Which accurately describe the causes of the contentious relationship between President Truman and General MacArthur? (Select all that apply.) a. Truman favored a containment policy on Communism, while MacArthur wanted to pursue the Communist forces into

    asked on August 20, 2018
  26. History

    Which battle was a major turning point for US and South Korean forces during the Korean War? a. Battle of Pork Chop Hill b. Spring Offensive c. Battle of Heartbreak Ridge d. Inchon Bay landing Is it D?

    asked on August 20, 2018
  27. Maths

    Parina spends 45% of her money on a dress and 15% on a bag.she had rs2400 left. how much she had at first?

    asked on August 19, 2018
  28. Maths

    Harry has 0.6 of his marbles to his younger bro and 0.5 of the remainder to his cousin. Harry has 36 marbles left. How many marbles did harry have at first ?

    asked on July 1, 2018
  29. Math

    A picture is 42 cm long and 32 cm wide. It has a 5 cm frame around it.all around the picture, 1 cm of the picture sticks into the frame so that the frame can hold it. What is the area of the frame? Plz help

    asked on June 22, 2018
  30. Economics

    In recent years, the governments of the industrially advanced countries have A. discouraged skilled developing countries' workers from emigrating to the industrially advanced countries. B. substantially reduced foreign aid to the developing countries. C.

    asked on May 28, 2018
  31. math

    Find the standard form of the equation of the parabola with the given characteristics. Vertex: (-9, 8); directrix: x = -16

    asked on May 19, 2018
  32. math

    Write the equation of the circle in standard form. 9x^2 + 9y^2 + 72x − 108y + 368 = 0 Identify its center and radius. center (x, y) = radius =

    asked on May 19, 2018
  33. math

    Find the standard form of the equation of the circle with the given characteristics. Endpoints of a diameter: (1, −7) and (7, −5)

    asked on May 18, 2018
  34. calclus

    Chemistry teachers love to have different shaped beakers in their classroom (I guess it makes the classroom look for impressive). Different shaped beakers result in different rates the water level rises. Task: Determine the rate in which the water level

    asked on May 16, 2018
  35. chemistry

    How many moles of Cu2+ ions are present in 1L of .125M CuSO4:5H2O solution?

    asked on April 24, 2018
  36. Physics

    17. Explain how water can transfer energy by conduction and by convection.

    asked on April 20, 2018
  37. algebra

    Find an power function of the form y=ab^x whose graph passes through the points (4,4) and (16,8).

    asked on April 19, 2018
  38. algebra 2

    Car depreciation- The value of a new car purchased for $20,000 decreases by 10% per year. Write an exponential decay model for the value of the car. Use the model to estimate the value after one year.

    asked on April 19, 2018
  39. History

    What conflict resolution does Malala Yousafzai follow?  Competition, Collaboration, Compromise, Accommodation, Avoidance  _______________________________________________________________________  I am actually not sure. I used the conflict with Malala

    asked on April 18, 2018
  40. History

    What conflict resolution does Malala Yousafzai follow?  Competition, Collaboration, Compromise, Accommodation, Avoidance  _______________________________________________________________________  I am actually not sure. I used the conflict with Malala

    asked on April 16, 2018
  41. History

    What conflict resolution does Malala Yousafzai follow? Competition, Collaboration, Compromise, Accommodation, Avoidance _______________________________________________________________________ I am actually not sure. I used the conflict with Malala and

    asked on April 14, 2018
  42. English- Poetry

    How do authors use gothic and romantic elements to develop content and style that add beauty and power to their writing? (Examples to use: Poe—“Annabel Lee”, “Lenore”, “The Raven”, “The Pit and the Pendulum”--, “Mistletoe Bough”,

    asked on April 9, 2018
  43. History

    Mrs.Sue, I have completed three questions of the four. May you check them? I do not need help on the fourth one because my teacher still has to give us a booklet with the information and etc... I replied to the post that I posted: yesterday at 3:21pm

    asked on April 5, 2018
  44. History

    Who is Malala Yousafzai similiar to? I said Martin Luther King Jr, or Maya Angelou What are their goals? Malala:To provide 12 years of free, quality education to every child on the planet. She wanted to reach all those people who live in poverty, those

    asked on April 4, 2018
  45. Calculus

    Suppose the annual revenue for a company between 2000 and 2005 is approximated by R(t) = 18t^2 + 4t + 3, where t = 0 represents the year 2000. (a) Find the Average Value of R(t) between t = 1 and t = 6. (b) Find the Average Rate of Change of R(t) between t

    asked on April 3, 2018
  46. Calculus -- Identity crisis

    A function has f''(x) = 10 and has f'(4) = 0 and f(2) = 4. Find f(x).

    asked on April 3, 2018
  47. Business

    Researching different reason why an employee may choose to alter his/her number of federal withholding allowances. Next, write a paragraph of at least five sentence, in which you identify and discuss the two most compelling reasons you identified for

    asked on April 2, 2018
  48. Chemistry

    Calculate the standard entalphy of formation of naphthalene(C10H8) from the following data: 1) standard enthalphy of combustion of naphtalene is -5153kJ/mol 2) standard enthalphy of formation of CO2 is -393.5kJ/mol 3) standard enthalphy of formation of H2O

    asked on March 21, 2018
  49. Biology 20

    List the substances that the colon absorbs: - vitamins like B and K - water - ions like chloride and sodium Is there anything that I am missing? I am sure these are right but are there more??

    asked on March 17, 2018
  50. Science

    minimum temperature required to dissolve 40g NaCl in 100g water thanks a ton

    asked on March 17, 2018
  51. Science

    100ml of 1.0 m KOH solution will neutralize 100 ml of 1.0 M H2SO4 solution Thank you!

    asked on March 17, 2018
  52. Biology 20

    Name 3 substances that the liver stores: 1) glycogen. When there is lots of sugar in the blood, the liver converts it into glycogen which is used for storage. Glycogen formed us determined by insulin which is released from pancreas. I'm not sure of what

    asked on March 16, 2018
  53. english

    The following passage contains ten run-ons and comma splices. Correct each error in the space provided by using (1) a period and capital letter, (2) a comma and a joining word, or (3) a dependent word. Be sure to use all three methods. The three sons of

    asked on March 14, 2018
  54. Math

    The farmer's boy has been sent to the market. He takes his dog for company. He also has a plump goose to sell, and a bag of corn. He knows he must be careful. He must make sure his dog doesn't have a chance to eat the dog, and he must make sure the goose

    asked on March 13, 2018
  55. Chemistry

    Determine the pH of a 0.45M solution of Na2SO3 where Ka1 = 1.5 x 10^(-2) and Ka2 = 6.3 x 10^(-8).

    asked on March 12, 2018
  56. English

    On the lines provided, write the word or words in each sentence that need to be followed by a comma. Be sure to include the commas. One comma rule applies in each sentence. Note To help you master the comma, explanations are given for five of the

    asked on March 10, 2018
  57. math urgent

    The state lottery (which has a 6% lottery tax) offers to pay winnings in 25 annual payments or one lump sum, sometimes called a cash-out option. This week’s lottery has a jackpot of $30 million and a cash-out value of $18.2 million. Granted that the odds

    asked on March 4, 2018
  58. English

    Each sentence below contains two examples of ineffective word choice. Underline each error. Then, in the space provided, write W, S, or C to indicate wordiness, slang, or cliché. Finally, use the answer line to rewrite each faulty expression, using more

    asked on March 4, 2018
  59. math

    The state lottery (which has a 6% lottery tax) offers to pay winnings in 25 annual payments or one lump sum, sometimes called a cash-out option. This week’s lottery has a jackpot of $30 million and a cash-out value of $18.2 million. Granted that the odds

    asked on March 3, 2018
  60. Social

    it is possible to be part of multiple nations simultaneously. however, in times of crisis, it is essential that loyalty to your country of residence take priority over any other loyalties.  To what extent should we embrace the perspectives reflected in

    asked on March 3, 2018
  61. Math

    In how many different arrangements can 5 dogs and 7 cats be placed in a row if the dogs must be next to one another?

    asked on March 3, 2018
  62. Social

    it is possible to be part of multiple nations simultaneously. however, in times of crisis, it is essential that loyalty to your country of residence take priority over any other loyalties. I haven't ever done position papers in grade 11. I'm having a hard

    asked on March 3, 2018
  63. Math

    In a given city there are 28 reporters of which 16 are men. If the committee of 4 reporters is to be formed A. How many different committees can be formed? B. How many different committees contain 3 men? C. How many different commitrees contain at least 2

    asked on March 3, 2018
  64. biology

    The DNA bases adenine and guanine have one nitrogen and carbon atom containing ring in their structure. These bases are known as __________.

    asked on February 28, 2018
  65. English

    The following passage contains eight fragments. Underline each fragment. Then rewrite it correctly on the lines below. Note To help you recognize and correct fragments, explanations are given for half of the items. The game of Monopoly was created by

    asked on February 27, 2018
  66. biology

    Why did Nicholas Copernicus wait to publish his works on his deathbed? His work on the three laws of motion contradicted the Lutheran Church. His work on heliocentric theory went against Catholic doctrine and beliefs. His work included the dissection of

    asked on February 27, 2018
  67. biology

    Which best describes Francis Bacon’s contribution to the Scientific Revolution?

    asked on February 27, 2018
  68. chemistry

    In the titration of Na2S2O3 against KIO3 the average titre value was 23.1cm3,the volume of iodine used in the titration was 25cm3 and the concentration of Na2S2O3 was 0.1M.calculate the molarity of KIO3

    asked on February 27, 2018
  69. Biology 20

    Identify one biochemical that is of particular significance to your animal. Explain why it is significant to your assigned animal and describe it. This chemical could be an enzyme, a toxin, something used in scent marking, or any other biochemical agent

    asked on February 25, 2018
  70. Biology 20 please help

    State 2 molecules that get reduced and 2 that get oxidized during photosynthesis.  ---------------------------------- I know that NADPH and Glucose are in their reduced form.  2 molecules that get reduced. Will it be NADP+ because it is gaining 2

    asked on February 25, 2018
  71. Advertising research: theory and practice

    James wants to change the creative strategy in order to make consumer think differently about his product. He wants the product to be viewed as a product for sports enthusiasts. In order to do this, he must: a. conduct demographic research b. reposition

    asked on February 24, 2018
  72. Advertising research: theory and practice

    Amanda would like to develop a product for Coca-Cola for health conscious consumers. She first needs to conduct adequate _______ segmentation research in order to find out more about the market. a. positioning b. psychographic c. individualized d.

    asked on February 24, 2018
  73. Advertising research: theory and practice

    research primarily uses open-ended, probing questions to encourage consumers to discuss and share their thoughts and feelings on a particular subject. a. Quantitaative b. qualitative c. secondary d. primary

    asked on February 24, 2018
  74. Social

    we talk about the birth of nationalism being the french revolution. why might the americans dispute this

    asked on February 19, 2018
  75. Math (Pre Calc)

    If two forces of 5 lb. and 8 lb. are acting on the same point are equivalent to a single force of 10 lb., find the angle between the given forces, and the angle between the resultant and the larger force. I am not allowed to use law of cosines I must use

    asked on February 19, 2018
  76. Math (pre calc)

    You have recently been promoted and are now a senior pilot with BHS Exprress, providing courteous and timely service to countless cities across the Northeast. In order to arrive in New York City at the scheduled time, you know you must fly at a speed of

    asked on February 19, 2018
  77. Pre Calc

    You have recently been promoted and are now a senior pilot with BHS Exprress, providing courteous and timely service to countless cities across the Northeast. In order to arrive in New York City at the scheduled time, you know you must fly at a speed of

    asked on February 16, 2018
  78. Pre Calc

    If two forces of 5 lb. and 8 lb. are acting on the same point are equivalent to a single force of 10 lb., find the angle between the given forces, and the angle between the resultant and the larger force.

    asked on February 16, 2018
  79. math

    You are ordering photo prints online to send out to all your friends for the holidays. The first 20 prints cost 12¢ each, if you order more than 20 the price of the additional prints goes down to 8¢ each. a. Write a function to describe the cost of the

    asked on February 16, 2018
  80. Chemistry

    How do I plot the freundlich isotherm graph given P/atm and V/cm3 data. I know that the plot is suppose to be log x/M vs log c. However, how do I get the x/m from the data and which is the c. I have already plotted the Langmuir isotherm of this data. How

    asked on February 15, 2018
  81. chemistry

    Commercial aqueous hydrogen peroxide was diluted 150 times. 25cm3 of the sample solution was titrated with 0.02molar KMnO4 and 26.3cm3 was required to reach the end point. Calculate the molar concentration of hydrogen peroxide

    asked on February 13, 2018
  82. Math

    A rectangle whose length is 5.3 cm and whose width is 2.5 cm.

    asked on February 13, 2018
  83. math

    emma made a rectangular picture frame with a heigth of 25 5/6 inches. The frame is 5 2/3 inches wide. What is the hieght of the picture emma placed in the picture frame? explain how you found your answer?

    asked on February 12, 2018
  84. Chem

    A reaction of 48.5 g of Na and 53.7 g of Br2 yields 55.4 g of NaBr. What is the percent yield? 2Na(s)+Br2(g)--->2NaBr(s)

    asked on February 11, 2018
  85. chem

    How many moles of N are in 0.223 g of N2O? I have tried the answers 0.01508 but it is wrong I dont know what I am doing incorrectly plz help Thank You

    asked on February 11, 2018
  86. Chem

    How many grams of Cl are in 365 g of CaCl2?

    asked on February 11, 2018
  87. Chemistry

    The thermal decomposition of 1.6608 g of MgSO4 * H2O produces 1.4446 g of a product in a well-behaved reaction. There are two possibilities: 1) MgSO4 * H2O(s) -> MgSO4(s) + H2O(g) 2) MgSO4 * H2O(s) -> MgO(s) + SO3(g) + H2O(g) Complete the following table,

    asked on February 11, 2018
  88. Social

    Is Metis nation a distinct nation in canada? and How? Can I please get websites that I can look at? I saw so many but it is so much information and each website has different facts.

    asked on February 10, 2018
  89. English

    Each sentence in the following passage contains one mistake in subject-verb agreement. Find and underline the ten verbs that do not agree with their subjects. Then write the correct form of each verb on the lines below. Note To help you learn subject-verb

    asked on February 9, 2018
  90. American Government

    How has a recent supreme Court ruling affected your life? Do you agree or disagree with the court's decision in this case?

    asked on February 5, 2018
  91. Geology

    Differences and similarities between a physical geologist and a historical geologist

    asked on February 4, 2018
  92. math

    what is 18% of 75?

    asked on February 1, 2018
  93. Math

    A group of teachers and pupils attended a concert. The teachers paid $1200 altogether and the pupils paid $640 altogether for their tickets. The price of an adult ticket was $60 and there were 4 more female teachers than male teachers. How many male

    asked on January 30, 2018
  94. Math

    I Can Multiply The Number Of_______In A Polygon By________To Find The Sum Of Its Interior Angles

    asked on January 30, 2018
  95. Chemistry

    please explain how to do it I have no idea where to start! Thank You If you burn 30.2 g of hydrogen and produce 2.70 × 102 g of water, how much oxygen reacted?

    asked on January 29, 2018
  96. Chemistry

    Convert 4.39 × 10-3 m to the equivalent length in nanometers. please explain how to do it I have no idea where to start! Thank You

    asked on January 29, 2018
  97. Physics

    Can acceleration of object have a negative quantity ?

    asked on January 18, 2018
  98. Physics

    Calculate the velocity of a 6kg riffle that shoots a 0.025kg bullet at a speed of 615m/s.

    asked on January 18, 2018
  99. Physics

    Two vectors have a magnitude of 2.5km and 6.5km . Predict the maximum and minimum magnitude of their resultant vector

    asked on January 18, 2018
  100. Physics

    A snooker ball with a mass of 0.3kg moving at 2.5m/s collides with another ball of 0.2kg mass and moving in the same direction with a speed of 1.20m/s . Assuming the collision is elastic, calculate the speed and direction of each ball after collision.

    asked on January 18, 2018

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40