Questions Asked on
September 29, 2017

  1. history

    Which most accurately reflects the development of agriculture in early African civilizations? the walls of the jabrin castle were erected in oman to protect valuable crops the kingdom of Ghana exchanged surplus crops and gold for textiles and salt brought

    asked by Kira
  2. Algebra

    What type of equation will best fit the data below? Linear Quadratic Exponential (I have a picture of a graph is there a way I can show it too get help?)

    asked by Ember Lovet
  3. Chemistry

    Write a net ionic equation for the reaction that occurs when cobalt(II) carbonate (s) and excess hydroiodic acid are combined.

    asked by stone
  4. Algebra

    Find the average rate of change of f(x)=6x²−3 on the interval [2,a]. Your answer will be an expression involving a What I did so far: I found f(2) which is 21 and that would make the function (2,21) Then, I found f(a) which is 6a^2-3 and that would make

    asked by ALICE
  5. history

    What was the Roman Empire’s system of government prior to Julius Caesar that heavily influenced Western democracies? Peasants, including women and slaves, were ruled by kings, barons, and lords. Roman government consisted of a king, crown prince, and an

    asked by Kira
  6. history

    Which best defines settlement as it pertains to the history of civilization? a location where two parties resolved disputes or conflict over land ownership a location where groups ceased roaming and built permanent dwellings location where natural

    asked by Kira
  7. history

    In 332 BC, which military leader defeated the Persians and annexed Egypt to be part of his Macedonian Greek empire? alexander the great Julius Caesar mark antony king tutankhamum is it a

    asked by Kira
  8. Biology matriculation

    What is the expected frequency for a person having tongue rolling ability and attached earlobe???

    asked by Shima
  9. Science

    What is the density of a book whose mass is 1,800 g and whose volume is 300 cm3? *My Answer*You want to identify the numbers first, density = mass ÷ volume. Which would give you, 1800g ÷ 300 cm³ = 6 g/cm³. *Cant Figure Out *What is the mass of a ball

    asked by Jess
  10. history

    Which best describes a democracy? form of government in which political power is held by a single ruler form of government in which political power is held by the people government based on appointing officials according to merit and academic

    asked by Kira
  11. Calculus

    A ball is thrown from a height of 130 feet with an initial downward velocity of 6/fts . The ball's height h (in feet) after t seconds is given by the following. =h−130−6t16t2 How long after the ball is thrown does it hit the ground?

    asked by Fernanda
  12. Trigonometry

    Sketch the graph of the function (Include two full periods. Find one complete cycle. Show your work. y=-3+5cos πt/12

    asked by Bre
  13. history

    Which major culture of the ancient world is responsible for producing literature such as the Iliad and the Odyssey? I think its greek

    asked by Kira
  14. math

    what is 4/5 of 10/13? A. 40/65 B. 5/18 C. 8/13 D. 20/65

    asked by I really hate school
  15. Business

    Think about all of the many products you can purchase today. Identify one product that currently represents each phase of the product life cycle, and make a brief statement about its competition, price, distribution, and promotion.

    asked by Yaya
  16. phisical science

    On a winter day the temperature drops from –15°C to –25°C overnight. If a pan sitting outside contains 0.20 kg of ice, how much heat is removed from the ice for this temperature change?

    asked by joe
  17. chemistry

    Three gases (8.00 g of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 ∘C, the total pressure in the container is 5.20 atm . Calculate the partial pressure of each gas in the

    asked by sargun
  18. Math

    Cy has 42 baseball cards and 70 football cards that he wants to group into packages. Each package will have the same number of cards and each package will have the same numbers of baseball cards and football cards. How many packages will Cy make if he uses

    asked by Gabrielle
  19. Math

    What amount must be set aside now to generate payments of $30,000 at the beginning of each year for the next 13 years if money is worth 5.93%, compounded annually? (Round your answer to the nearest cent.)

    asked by Lindsey
  20. Math

    why is 1.6666666667 an irrational number? this was my answer to a question, and you also have to explain why your answer is an irrational number. an irrational number is "any real number that can not be written and the quotient of two number" but it can?

    asked by ...
  21. geometry

    the measure of each exterior angle of a regular pentagon is ____ the measure of each exterior angle of a regular nonagon greater than less than equal to** If i'm wrong can you please explain to me why i'm wrong?

    asked by trish
  22. Geometry

    The midpoint of Line Segment AB is (2,-9). The coordinates of one endpoint are A(4,10). Find the coordinates of endpoint B. Can someone please check my work and tell me if my answer is correct. Step 1: 2x-9= 4x+10 2x-9= 10 2x= 1 Step 2: AB= 2x-9 =2(1)-9

    asked by Kaoru
  23. Math

    For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, include all of your work. {-4, 12, -36, ...}

    asked by Sara
  24. Chemistry

    1.When 5 grams of wood burns completely and 15 grams of oxygen, 10 grams of water vapor and some carbon dioxide are given off. (How many grams of carbon dioxide would be produced in this example?) I need help with the question in parentheses. I have the

    asked by GummyBears
  25. English

    I’m at the tourist centre in Boston the speakers tone can best be described as

    asked by Alisha
  26. Chemistry

    The pesticide DDT (C14H9Cl5)... Express these concentrations in ppm and in milimoles per liter. Orchard - Sample size: 250.0mL Mass of DDT: 0.030 mg Residential - Sample size: 1.750 L Mass of DDT: 0.035 mg Residential After a Storm - Sample size: 50.0 mL

    asked by Anonymous
  27. history

    Which accurately describes battle achievements of Alexander the Great? He defeated the Roman Empire in Egypt, founded the city of Cairo, and ordered the preservation of King Tutankhamun artifacts. He defeated the Persian Empire in Egypt and founded the

    asked by Kira
  28. Statistics and Probability

    A ticket in a typical lottery like Lotto 6/49 is usually $2. The probability of winning Lotto 6/49 is 1 in 13,983,816. The payoffs (jackpots) are usually in excess of $1 million. Suppose that you buy one ticket for $2 and the jackpot is $1 million. What is

    asked by Kevin
  29. English

    determine whether the underlined conjunctions in the following sentences are coordinating or correlative by choosing the letters A(coordinating) or B(correlative) Each of the twelve Federal Reserve district banks is also authorized to dispose of unusable

    asked by marylyn
  30. pre-calculus math

    A polynomial f(x) with real coefficients and leading coefficient 1 has the given zeros and degree. Express f(x) as a product of linear and/or quadratic polynomials with real coefficients that are irreducible over . 3, −3 − 2i; degree 3

    asked by deena
  31. MATH

    Use a fractional exponent to write the expression the fourth root of 81 raised to the ninth power

    asked by Anonymous
  32. Social studies

    What were some issues on which Hamilton and Jefferson disagreed? Select all that apply □ the role of the federal government □ how to structure judiciary □ imposition of taxes □ how to structure a banking system

    asked by Pepsi
  33. World History

    Following the deaths of Cleopatra and Mark Antony, Egypt was no longer a sovereign nation and became occupied by Rome (1). Roman law was imposed on Egypt, and it was split up into smaller provinces under Roman governors and prefects (2). Egypt became the

    asked by malia
  34. Social Studies

    Scientists classify native people living in the Americas as having lived during one of four time periods. Which shows the correct order in which these time periods occurred?? A- Woodland, Mississippian, Paleo-Indian, Archaic B- Mississippian, Paleo-Indian,

    asked by Wolfie554
  35. Math

    Evaluate the integral from [sqrt(pi/2), sqrt(pi)] of x^3*cos(x^2) by first making a substitution and then using integration by parts. I let u = x^2 and du= 2x dx but then it doesn't equal that in the equation?

    asked by Dave
  36. Math

    what is the prime factorization for 40

    asked by Pedro
  37. Math

    Choose the correct justification to get to line 3: -21 - 51x < 1 - 62x.

    asked by ttng
  38. social studies

    Mesoptomia climate was

    asked by wassuh
  39. History

    1. La salle had conflicts with which of the following groups of American Indians? Hasinai Caddo Apache Karankawa

    asked by Hello
  40. Math

    a) Find the zeros of the function. d) Find the domain. e) Find the range. a) none d) (-infinity, 0) U (2,infinity) e) (0, infinity) Is this right?

    asked by Mellis
  41. Earth Science

    Minerals are classified into groups based on _______. Characteristics?

    asked by Dylan
  42. tourism and hospitality

    What percentage of the england's income is generated from tourism?

    asked by Kira
  43. Math

    1.What is the sum of 5/6 + 2/3? (1 point) A. 1 1/3 B. 1 1/2* C. 1 2/3 D. 1 3/4 2. Sylvia has 6 1/2 boxes of chocolate to share at a family picnic. If she gives each person1/3

    asked by Anonymous
  44. ss .

    1 ' Africa's highest point, or the place with the greatest elevation is A: Victoria falls B: Lake Assal C: Mount Kenya D:Mount Kilimanjaro *** 2 ' Southern and Eastern Africa tends to be drier and cooler than West and Central Africa because Southern and

    asked by ricaa
  45. science

    If a man weighs 194 pounds and is 69 inches tall where is his center of gravity?

    asked by Jeannine
  46. Physics

    A 170 N block rests on a table.The suspended mass has a weight of 52N. What is the magnitude of the minimum force of static friction required to hold both blocks at rest? What minimum coefficient of static friction is required to ensure that both blocks

    asked by Siany
  47. Physical Chemistry

    One potential problem with using molarity to express concentration is that molarity is temperature dependent. If you make a 1.000 M solution of aqueous HCl at 25 degrees celsius, what would the molarity of this solution become if the temperature of the

    asked by Matt
  48. Social Studies

    Since Canada’s labor force growth is made up of 70% immigrants and is projected to rise to 100%, you might best speculate that Canada’s government has a(n) ______________ policy. A. anti-immigration B. pro immigration C. Constitutional ** D. democratic

    asked by Mark
  49. Physics

    You are hanging onto the end of a long rope, the other end of which is attached to a Coast Guard helicopter. Model yourself as a particle of mass M = 52.8 kg with a diameter equal to 0.540 m. The density of the air is ρ = 1.29 kg/m3. Assume the drag

    asked by brain
  50. chemistry

    A cylinder with a movable piston contains 2.00 g of helium, He, at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the

    asked by sargun
  51. algebra

    Solve the following equation for p: 5s - 3p = fp + 12

    asked by Anonymous
  52. Health and PE

    Which of the following plays a role in determining a persons weight? select all that apply A:heredity. B:activity level. C:body mass index (BMI). D:body composition. I think the answers are B, C, and D. Thank you.

    asked by Jamie
  53. alg

    which of the following is a solution to the equation y = 3x - 1 A.(4,1) B.(2,5) C.(4,3) D.(0,-3) Answer: A

    asked by Help me
  54. Chemistry Lab

    Im preparing my report for Synthesis of Alum chemistry lab. Need help with these 2 questions: 1-What other cations besides aluminum can be used to make alum crystals? Explain 2-Why we need to add sulfuric acid slowly to the solution as opposed to pouring

    asked by Alissa
  55. social studies

    which historical event was the most important in forming the character of modern germany? A:industrial revolution B:protestant reformation C:WW2 D:enlightenment

    asked by ms. sue help
  56. Chemistry

    Is cl2 or F2 less volatile? Cl2 is less volatile because it has more intermolecular forces and therefore has a higher boiling point. Is this right?

    asked by Sarah
  57. history

    Which best describes the Assyrian Empire’s impact on the Mesopotamia region? The Assyrians were the last known hunter-gatherer group in Mesopotamia. The Assyrians attacked and killed thousands of Muslims in Egypt, Iran, and Syria. The Assyrians attacked

    asked by Kira
  58. Math

    What is the repeating decimal 0.282282282 as a fraction in simplest form? 141141141/5000000000*

    asked by Khalessi
  59. Trigonometry

    Sketch the graph of the function (Include two full periods. Find one complete cycle. y=10cos πx/6

    asked by Bre
  60. algebra 2

    by graphing the system of constraints find the values of x and y that minimizes the objective function x+2y>8 x>2 y>0 >=greater than or equal to my answer was 0,10 am i right?

    asked by the world forgot
  61. Trigonometry

    Sketch the graph of the function (Include two full periods. Find one complete cycle. Show your work. y=sin4x

    asked by Bre
  62. Advanced Algebra

    The regular price of a chair is $895. If you purchase the chair at a 25% discount and then pay 6% sales tax, what is the final cost of the chair? I don't get how to set up this problem

    asked by Jessica
  63. Math

    How many ounces of 1% antifreeze solution must be added to 100 ounces of 40% antifreeze solution to obtain a 16% antifreeze solution? how do I set this equation up?

    asked by Mark
  64. algebra

    7+8 2-394-2)2

    asked by kisha
  65. history

    Which most accurately describes the structure of the Roman government when it was a republic? A: The Roman government was a dictatorship in which an emperor ruled by divine right. B: The Roman government consisted of two consuls and the senate. C: The

    asked by Kira
  66. MATH

    Use a property of rational exponent to simplify this equation (C^6) ^7

    asked by Anonymous
  67. Social studies

    In his farewell address, what did Washington say about the U.S. forming alliances with specific European countires? A) it would be seen as a sign of disrespect B) other countires might also seek to form alliances***** C) it might put peace and prosperity

    asked by Pepsi
  68. Statistics

    Williams, Dunsiger, Jennings, and Marcus (2012) conducted a study to test how enhanced mood during exercise can increase the likelihood of physical activity in the future. They reported that at 6 months of physical activity, mood scores (rated on a scale

    asked by Jenn
  69. Chemistry

    Balance the following net iconic reactions, and identify which elements are oxidized and which are reduced: a. MnO4^- (aq) + S^2- (aq) --> MnO2(s) + S(s) b. IO3^- (aq) + I^- (aq) --> I2(s) c. Mn^2+ (aq) + BiO3^- (aq) --> MnO4^- (aq) + Bi^3+ (aq)

    asked by Haseeb
  70. English

    1. Each year, people die from second hand smoke. 2. Each year, people die from second hand smoking. ---------------------------- Which one is okay? Are both expressions acceptable? Which one is commonly used, 'secondhand smoke' or 'secondhand smoking'?

    asked by rfvv
  71. English

    1. The book was discovered in a used bookstore in Chicago. 2. The book was discovered in a secondhand bookstore in Chicago. 3. I found a rare book at a used bookstore. 4. I found a rare book at a secondhand bookstore. ----------------------------- In each

    asked by rfvv
  72. math

    Multiply 2/3 and 6/7 A. 4/7 B. 4/21 C. 12/21 D. 3/7 PLEASE HELP if you could please tell me all the answers for this mixed numbers practice if u know them

    asked by I really hate school
  73. English

    1. At nine, the buses will depart for Lorca Beach. 2. At nine, the buses will leave for Lorca Beach. 3. At nine, the buses will set out for Lorca Beach. 4. At nine, the buses will start for Lorca Beach. 5. At nine, the buses will ____ ____ Lorca Beach.

    asked by rfvv
  74. math intergers and algebraic exressions

    hi mrs sue how are you i need help with my math unit test i really need help what is the solution to -55+q=7 my answer is a

    asked by killer kev
  75. Physical Chemistry

    Your hot tub has overheated to a very uncomfortable 48 degrees C. If your hot tub contains 402 L of hot water, what mass of ice at -5 degrees C would you need to add to your hot tub to bring the temperature down to a more comfortable 36 degrees C?

    asked by Matt
  76. Physic

    What's the answer for this

    asked by Jaya
  77. Cryptography

    Problem 1. (25 points) Let p be a prime and g be a generator of the multiplicative group Z∗p of integers modulo p, (note that F∗p is also commonly used to denote this group, but we will stick with Z∗p). Let λ be the bit length of p.

    asked by Anne
  78. 1 Out Of 100 Math Trick HELP PLEASE!!!

    1. Choose a number between 1 and 100. 2. Multiply the number by 5. 3. Add 15 to the number. 4. Divide the number by 5. 5. Subtract the original number. How does this work, please help!

    asked by Em8
  79. tourism and hospitality

    what is the economic multiplier for the UK?

    asked by Kira
  80. physics

    To haul a boat out of the water for the winter, a worker at the storage facility uses a wide strap with cables operating at the same angle (measured from the horizontal) on either side of the boat. Determine the tension in each cable if the boat has a mass

    asked by g
  81. Government

    What are the countries that have a democracy in the Middle East? Just need source's

    asked by Halter
  82. geography

    What is an informal democracy and in what way in the Middle East?

    asked by Susanna
  83. Advanced Algebra

    Krystal bought a refrigerator from a rental center for $1,050. She makes 16 monthly payments of $112.75 with her credit card. The rental center charges $1.25 for every purchase made with a credit card. What is the total cost of the refrigerator? My answer

    asked by Steve
  84. Advanced Algebra

    Sharon purchased a sprinkler system for $1,950 using a six-month deferred payment plan. The interest rate after the introductory period is 23.99%. No down payment is required, but there is a minimum monthly payment of $25. What is the balance at the

    asked by Steve
  85. qwertyuik

    An individual has a transition intensity of mortality for the next 10 years of μs=0.01s per annum (where s is the number of years from today). Calculate the probability (to 3 decimal places) that they will survive for the next 10 years

    asked by pratham
  86. Algebra

    What do A & B stand for in algebra can some one please explain this to me because I'm really confused:/

    asked by Chris
  87. Math

    Solve the integral of (x*e^2x)/(1+2x)^2 by first using u substitution and then use integration by parts. I am very confused on how to do u-substitution with this because no mattter what I let u be equal to the du never comes out to be anything in the

    asked by Dave
  88. Math

    Solve the integral from [0,pi] of x*sinx*cosx*dx I don't understand how to solve this problem because if I let u =x and du =1 and dv=sinx*cosx, I can't find v. How do you solve this?

    asked by Dave
  89. Math

    Evaluate the integral of x*ln(1+x) dx by first making a substitution and then using integration by parts. I let u=1+x and du = dx but then ln(u) du can't integrate to anything?

    asked by Dave
  90. Math

    Evaluate the integral of (e^2x)*sin^3 x dx I let u = e^2x, du = (1/2)e^2x dx v= (-1/3)cos^3 x , dv =sin^3 x dx When I used integration by parts and solved it all out I got: (37/36)intgral of (e^2x)*sin^3 x dx = (-1/3)(e^2x)*cos^3 x + (1/18)(e^2x)*sin^3 x

    asked by Dave
  91. tourism and hospitality

    Is the economic impact in England positive or negative?

    asked by Kira
  92. math

    which digit makes 345 blank divisible by 2

    asked by Pedro
  93. Math

    what number is a prime 4 13 26 15

    asked by Pedro
  94. Spanish

    Which of the following is an “Argentinean cowboy?”

    asked by Katlyn
  95. Social Studies

    What was the significance of Hernando de Soto’s expedition? Gold and Silver***

    asked by :(