Newest questions and responses by Emma
  1. physics

    a delivery person pulls a 20.8 kg box across the floor. the force exerted on the box is 95.6n (35 above the horizontal). the force of kinetic friction on the box has a magnitude of 75.5n. the box starts from rest. using the work-energy theorem determine

    asked on March 18, 2019
  2. Algebra 2

    I'm having a bit of a hard time figuring out this problem and I'm really confused. Could someone check my work so far? The motion of a ball scooped by a field hockey player can be modeled by h = -16t^2 + 40t, where t is the time in seconds and h is the

    asked on March 18, 2019
  3. History

    What was the impact of the Scopes Trial on education in the United States? A. It was the first significant effort to draw interest in the separation of church and state in education. B. It promoted grassroots legal efforts to fortify the need for teaching

    asked on March 15, 2019
  4. History

    What was the purpose of the government-sponsored Bracero Program? A. to contract Mexican migrant workers to jobs in America B. to lower taxes for the wealthiest 1 percent of the country C. to entice African Americans to join the military D. to raise the

    asked on March 15, 2019
  5. Social studies

    Which factors influenced the growth of Christianity in East Africa select all that apply A mansa munsa's pilgrimage to Mecca B trade with Greeks and Romans C influence of a captured Syrian servent D invasion of mail's Christian military E caravans of

    asked on March 11, 2019
  6. Algebra

    Write a recursive formula for the sequence 5, 18, 31, 44, 57, ... Then find the next term. I’m thinking that the answer is A. A. a1=-8; an=an-1+13. The next term is 70 B. a1=5; an=an-1+13. The next term is 70 C. a1=5; an=an-1-13. The next term is 83 D.

    asked on March 8, 2019
  7. Algebra

    Simplify the rational expression. State any restrictions on the variable. t^2+4t-12/t^2-4

    asked on March 7, 2019
  8. Algebra

    Find any points for the discontinuity for the rational function. I think the answer is D. y=(x-8)/(x^2+5x-6) A. x=8 B. x= -1, x= 6 C. x= 1, x=6 D. x=1, x= -6

    asked on March 7, 2019
  9. Algebra

    What is the difference in simplest form? (n^2+3n+2)/(n^2+5n+6)-2n/(n+3) A. (1-n)/(n+3) B. 1/(n+3) C. (n+1)/(n+3) D. (n-1)/(n+3)

    asked on March 6, 2019
  10. Science

    Hey people! So, uh, I'm trying to take an assessment in online school... long story short, I don't know what the heck I'm doing (like everyone else on here). So can you guys help me out? Here are some of the questions that stumped me: 1. Where can most

    asked on March 5, 2019
  11. Pre-Algebra A

    A company reports $23,765 in income and $18,945 in expenses for February. What was the amount of profit or loss for the month? A. $4,820 profit B. $4,820 loss C. $5,220 profit

    asked on February 13, 2019
  12. english

    why is kenny watson the protagonist in The Watons Go to Birmingham-1963?

    asked on February 7, 2019
  13. Math

    Tell the rule. 3 flower with 4 petals in a square 3 flowers with 5 petals in a square

    asked on January 31, 2019
  14. MATH

    f 210 people said football was their favorite sport to watch, how many people were surveyed? Football is labeled on the circle graph as 42%.

    asked on January 25, 2019
  15. Mathematics.

    A college football coach wants to know if there is a correlation between his players’ leg strength and the time it takes for them to sprint 40 yards. He sets up the following test and records the data: Every day for a week, he counts how many times each

    asked on December 10, 2018
  16. Time value of money

    Present value of 10000 to be received at the end of 10periods at8% period.

    asked on December 2, 2018
  17. Time value of money

    In investors deposits 10000.ten years later it is worth 17910.what rate of return did the investors earns on investment

    asked on December 2, 2018
  18. Time value of money

    Find the value of 10000 in ten years. Investment 5% per year .

    asked on December 2, 2018
  19. Maths

    Find the value of 10000 in 10 years. The investment earns 8% for four years and then earns 4% for the remaining six years

    asked on December 2, 2018
  20. Linguistics

    Hello! I have a quick question about my linguistics final. My professor is a doctor, so would 'Dr.' head his name in my references and in-text citations? This is all in APA: 6th edition, by the way! Thanks in advance,

    asked on November 18, 2018
  21. Geography

    Choose the ideas of Confucianism. Select all that apply. A. Burning paper money B.the way C.yin and yang D.5 relationships E. Honoring elders F.servere punishments G.fillial piety

    asked on November 8, 2018
  22. Geography

    What did the Han emperors do to keep the economy stable A. Stopped merchants from selling goods along the Silk Road B. Brought grain, stored it, and resold it during times of low harvest C.introduced the first standardized coins D. Refused to allow

    asked on November 8, 2018
  23. Geography

    What was the result of the development of the Silk Road

    asked on November 8, 2018
  24. Chemistry

    Suppose 0.780 of potassium iodide is dissolved in 150. mL of a 51.0mM aqueous solution of silver nitrate. Calculate the final molarity of iodide anion in the solution. You can assume the volume of the solution doesn't change when the potassium iodide is

    asked on November 7, 2018
  25. Chemistry

    A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 338.mg of oxalic acid H2C2O4 , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250.mL of distilled water. The

    asked on November 7, 2018
  26. Biology

    I have to write an essay with knowledge about the following: the biochemical structure of DNA, how DNA replicates, how the DNA structure forms the genetic code, and how that genetic code comes to be expressed as a phenotype. If I could get some help or a

    asked on October 31, 2018
  27. Language arts

    In paragraph five,which uses a metaphor for what television is like to the author?

    asked on October 25, 2018
  28. Health and physical ed

    what is the first step in a responding healthfully to a strong or difficult emotion? 1.Listen to music 2.Ignor your feelings 3.Say what is on your mind 4. Try to understand what you are feeling I DO NOT KNOW WHICH ONE IT IS I NEED HELP!

    asked on October 25, 2018
  29. Texas history

    in the texas constitution of 1836 had shared ideals woth the us constitution. which of the following ideals did the texas constitution most likely support Austin Bowie Childress* de Zavala

    asked on October 22, 2018
  30. psychology

    What are negatives and positives of group think?

    asked on October 7, 2018
  31. Math

    Which expression can be written as 4•(3+8)? A. (4+3)(3+8) B. (4•3)+(4•8) C. (4+3)•(4+8) D. 4•3+8 Please can someone help

    asked on October 3, 2018
  32. Civics

    The president signs a new bill into law. Some people believe the new bill is unconstitutional. According to the system of checks and balances, what can be done? 1. The Supreme Court can enact a new law to cancel the old. 2. The country can vote to overturn

    asked on September 28, 2018
  33. english

    (1) To insert a table into your spreadsheet, the workbook says to "first click on the 'Table' tab." (2) Then, you could "place the cursor on the area where you want to put your table." (3) Click "Insert," and then select "Spreadsheet Table" to choose the

    asked on September 3, 2018
  34. precal

    Calculate the average rate of change for f(x) = 8x2 + 4x from x to x + h.

    asked on August 31, 2018
  35. precal

    If p(t) is the profit I expect my business to earn t years after opening, use functional notation to express my expected profit after 4 years and 4 months. (Round your answer to two decimal places.)

    asked on August 31, 2018
  36. english

    (1) around 5000 B.C.E., the first animals were domesticated and tamed. (2) donkeys and oxen were used to carry heavy loads and pull sledges. what is the best way to combine sentences 1 and 2? a. around 5000 B.C.E., the first animals were domesticated and

    asked on August 10, 2018
  37. math

    the perimeter of a rectangle with adjacent side lengths of x and y, where x>y, is 8 times as great as the shorter side to the rectangle. what is the ratio of y to x? a. 1:2 b. 1:3 c. 1:4 d. 2:3 is b the answer?

    asked on August 8, 2018
  38. math

    the square of a certain whole number n is n^2. if 60 is a factor of n^2, it's possible that ? is not a factor of n^2 a. 16 b. 25 c. 36 d. 100

    asked on July 23, 2018
  39. Chemistry

    When a (1.797x10^0) g sample of CuSO4 * 5H2O (Copper II Sulfate Pentahydrate) and NaCl was heated, a total sample of (2.74x10^-1) g of water was lost. What is the mass percent of hydrate in this sample? Give your answer in scientific notation with three

    asked on May 31, 2018
  40. Science

    Why is the structure of arteries different from the structure of capillaries?

    asked on May 29, 2018
  41. Math

    Use place value to solve Pablo has a piece of wire that is 0.08 Meters long. Beth has a piece of wire that is 10 times as long as Pablo's wire.Li's wire is 1/10 as long as Pablo's wire. How long is Beth's wire? How long is Li's wire?

    asked on March 18, 2018
  42. history

    idenitfy the most significant factor contributing to the challenges facing modern native Americans in new Mexico.give to reasons to justify your choice.then,propose one possible solution to adress this factor

    asked on March 15, 2018
  43. Business Law

    "Damages caused to homes as a result of fire is an issue under property law. If some of the pople living in this houses in those areas are living in renting houses, if the property is damaged due to fire, and the people living in those houses were aware

    asked on March 10, 2018
  44. Business Law

    how does property law protect home oweners when their homes are burnt as a result of bushfires.

    asked on March 10, 2018
  45. English

    Which of these does William Wordsworth celebrate in "I Wandered Lonely as a Cloud" nature aloneness the death of reason human companionship I think either A or B, but I can't decide which.

    asked on February 19, 2018
  46. science

    How do the Sun, Earth, and Moon depend on each other?

    asked on February 11, 2018
  47. Health

    Please check my answers! 1. A(n) ______ is an agent that causes disease. a) stressor b) pathogen* c) addiction d) drug 2. Symptoms of an STI include (select all that apply) a) sneezing b) !@#$%^&l or urethral discharge* c) there may be no symptoms* d)

    asked on February 5, 2018
  48. Social Studies

    What events led to Thomas Jefferson's election as president

    asked on December 17, 2017
  49. math

    the tripled product of 6a and b^2. I got 216a^3b^6, but my teacher says that this is wrong. my equation is \(6ab^2)^3 is this wrong?

    asked on December 16, 2017
  50. Science

    I have reviewed the types of reactions but am still not sure what it is. Cs2+H2O arrow CsOH+H2 In the products, where is the H in CsOH coming from? What type of reaction is it?

    asked on December 13, 2017
  51. geometry

    Point P on the side AB od triangle ABC splits AB so that AP:BP=1:3. If M is the midpoint of CP, then the ratio of the area of triangle BPM to the area of triangle ABC is A)1/4 B)5/8 C)3/8 D)3/16 I know that the rule is if two triangles have cogruent

    asked on November 29, 2017
  52. Chem please help

    When a 0.650 g sample of a mixture of volatile hydrocarbons is burned in a bomb calorimeter with a heat capacity of 4920 J/°C, the temperature rises by 8.50 °C. What is the change in energy (in kilojoules) for the reaction? Calculate the energy change by

    asked on November 2, 2017
  53. Algebra

    Hello! I understand that the answer is 6, but do not know the equation to graph it. I would appreciate any help! I have to use Desmos to graph it. You are making your weekly meal plans and are working with the following constraints: It costs $8 to go to

    asked on October 24, 2017
  54. Chem

    Separate the following balanced chemical equation into its total ionic equation. AgNO3​(aq)+NaCl(aq) --> NaNO3​(aq)+AgCl(s) (List the ions in order of the above equation.) Write the net ionic equation for the reaction above. (Make sure the cation is

    asked on October 16, 2017
  55. History

    I am going to compare Plato and Gandhi. I find it hard to know what i can compare between the two philosophers. What are the differences and similarities between the two.

    asked on October 16, 2017
  56. Chemistry

    What would the net ionic equation be for : HBr (aq) + KOH (aq) = KBr + H2O

    asked on October 15, 2017
  57. Science

    Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE Would the answer for a) be 1/8 and for b) be 1/2?

    asked on October 4, 2017
  58. Punnett Square

    Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE Would the answer for a) be 1/8 and for b) be 1/2?

    asked on October 4, 2017
  59. Punnett Square

    Given the parent genotype AaBbCCDDEe, what is the probability of each of these gametes forming? a) ABCDE b) either ABCDE or abCDE

    asked on October 4, 2017
  60. Physics

    A 60 kg person utilizes energy at 0.25 horsepower while running up the stairs of a building. Each step is 20 cm highly. How much work does the person do in one minute?

    asked on October 4, 2017
  61. Math

    1.) 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? 2.) Give an example of how prime factorization could be used in the real world. Thank you to anyone that takes

    asked on October 4, 2017
  62. Science

    how are carbon atoms incorporated into organic molecules by plants?

    asked on October 2, 2017
  63. algebra

    Three fourths of a number is less than two hundred four. What are the possible values of the number?

    asked on September 30, 2017
  64. Math

    And assembly line worker at robs bicycle factory add to seat bicycle at a rate of two seats in 11 minutes write a proportion relating the number of seats S to the number of minutes M at this rate how long will it take to add 16 seats? 19 seats?

    asked on September 21, 2017
  65. math

    what is an alegbraic expression for the followin word phrase: "6 times the difference of b and p"?

    asked on September 20, 2017
  66. AP Chem

    For the reaction CH4+ 2 O2 → CO2+ 2 H2O , what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 15.3 g of CH4 (16.0425 g/mol) and 6.2 g of O2 (31.9988 g/mol)? Answer in units of g

    asked on September 19, 2017
  67. Math

    1 1/4 teaspoons baking powder per 3/8 cup flour, what is the unit rate

    asked on September 18, 2017
  68. Can anyone check this?


    asked on August 31, 2017
  69. US university admissions

    What activities are accepted by universities as social services? I was a girl guide in my primary grades can I include that as social service? And informal participations at sports and extra-curricular event will be accepted as extra-curricular ?

    asked on August 31, 2017
  70. Trigonometry

    Given that sin^2x = 4/13, what is the cos^2x? I am so lost. I need to show my work. Please help. THANK YOU!

    asked on August 30, 2017
  71. Practise questions for SAT subject tests

    Is there any useful,good sites to find quality questions for practising for SAT english,math,physics tests ,for free,other than the limited number of questions avilable at the Collegeboard site?

    asked on August 28, 2017
  72. SAT

    Could someone kindly tell me what are the subjects we have sit for at the SAT exam, to enter into a ; 1)physics degree(nuclear,quantum etc.) 2)engineering degree Thank you!

    asked on August 27, 2017
  73. To Bobpursley

    Thank you very much for your response. I'm a bit concerened about my career as mour local universities don't conduct Nuclear Engineering courses.So even if I want to study beyond Bachelor's Level,I woyld have to study abroad,should find Finacial Aid and

    asked on August 26, 2017
  74. To Writeacher,Bobpursley and Damon

    I posted again at my question avilable display.cgi?id=1503490842 I would be glad if you have a look at that. Thank you!

    asked on August 25, 2017
  75. Nuclear Physics

    I'm interested in studying Nuclear Physics at the university and would llike to know about the career opportunities avilable for a Bachelor's degree holder.I tried googling and found several but would like to get advising from a tutor who have experience

    asked on August 23, 2017
  76. Chemistry

    What would be the volmeter reading of the cell of Ni and Cu E Ni2+/Ni= -0.24V E Cu/Cu2+= 0.34 V E cell=E cathode - E anode= -0.24 V - (-0.34 V) =0.10V I think this in incorrect as no answer like this is given

    asked on August 22, 2017
  77. Chemistry

    Do Ozone gas decomposite naturally under IR rays?

    asked on August 22, 2017
  78. Chem

    Do Ozone gas decomposite naturally under IR rays?

    asked on August 22, 2017
  79. Chemistry

    Is S^(2-) a conjugate base of a weak acid? Shouldn't HS^(-) be the conjugate base,as H2S is the weak acid?

    asked on August 22, 2017
  80. Math

    At a party, the ratio of males to females is 3:4. Which of the following could not be the total number of people at the party? 14 35 44 63 70

    asked on July 31, 2017
  81. Biology

    What would happen if the gametes forming a zygote is diploid?

    asked on July 18, 2017
  82. Algebra

    Saturday night the movie theater sold 60 student tickets and 20 adult tickets earning $450. Sunday afternoon the movie theater sold 20 student tickets and 32 adult tickets earning $340. How much does a student tickets and an adult ticket cost?

    asked on June 18, 2017
  83. Math

    The third term of a geometric progression of positive terms is 18 and the fifth term is 162 Find the common ration and the first term? Write an expression for the Nth term of the progression? Find the sum of the first 8 terms of the progression??

    asked on June 14, 2017
  84. Math

    The element strontium-90 is radioactive. The percent of strontium -90, A(t), left in a sample can be modelled by the half-life function A(t) = A0 (1/2)^t/29, where t represents the time, in years, after the initial time, and A0 represents the initial

    asked on May 31, 2017
  85. Math

    Four more than the opposite of n equals 6 How u write it as an equation?

    asked on May 22, 2017
  86. Biology

    What viruses are common in the Arctic tundra?

    asked on May 11, 2017
  87. science

    The iodine-131 nuclide has a half-life of 8.0 days. If you originally have a 257 g sample, after 48 days how much will you have?

    asked on May 5, 2017
  88. Math

    The area of a rectangle is 24. The length is 10cm longer than the width. Find the length of the rectangle.

    asked on May 4, 2017
  89. Science

    Describe similarities between ice wedging and weathering caused by plant roots?

    asked on April 25, 2017
  90. ELA Please check my work

    Which of the following sentences contains a pronoun? A•My sister Sarah loves to cook B• She made dinner for the family last night C• When Sarah offered us seconds I was too full. D•Mom and dad make me do the dishes when Sarah cooks My answer is A

    asked on April 24, 2017
  91. Math

    if you fold a square paper vertically, the new rectangle has a perimeter of 39cm. what is the area of the original square? what is the perimeter of the original square? what is the area of the resulting rectangle? make a ratio of area and perimeter. what

    asked on April 21, 2017
  92. business management

    A lecturer told his students " The purpose of a management course is to teach students about management, not to teach them to be managers. Do you agree or disagree with this statement? Discuss.

    asked on April 20, 2017
  93. Math

    Mr.Edgington travels 25 mph in his boat. To determine how far he travels he uses the equation d=25h, where is d in the total distance in miles and h is the number of hours he travels on his boat. Find the independent and dependent variable and the

    asked on April 17, 2017
  94. Math

    If two cylinders are similar, find the scale factor of the smaller figure to the larger figure. The surface area of the smaller area is 20 pi yards squared. The surface area of the larger cylinder is 125 pi yards squared. No radius or height is given, and

    asked on March 26, 2017
  95. Math

    The speed of light is 3x10^8 m/s. If the sun is 1.5 x10^11 meters from the earth, how many seconds does it take light to reach the earth?

    asked on March 22, 2017
  96. math

    the circumference of the circle 12.5m. what is the area of the shaded region

    asked on March 22, 2017
  97. math

    jennifers pool is 8m deep and has a radius of 5m. the pool is half full....How many ml of water is in the pool.

    asked on March 22, 2017
  98. Spelling

    What is the answer to this analogy: Rope is to string as string is to ______?

    asked on March 14, 2017
  99. Science

    1. What is the main difference between mechanical and electromagnetic waves? A. Mechanical waves involve transfer of energy, electromagnetic waves do not. B. Mechanical waves require a medium to travel in, electromagnetic waves do not.~~~~ C. Mechanical

    asked on March 14, 2017
  100. Math

    Emily walk that a rate of 3 1/2 miles per hour for one and a 1 1/3 hours how far did she walk.

    asked on March 12, 2017


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