Questions Asked on
February 7, 2018

  1. Socail Studies

    1.What can be inferred by the passage of the Black Codes A.Many Southerners were willing to allow African-Americans equally B.Many white Southerners wanted African Americans to remain as slaves C.Many white Southerners wanted African Americans to receive

    asked by Ash
  2. Math

    Jason was hired to mow a lawn that covers an area of 2 3/4 acres it took him 4 1/8 hours to complete the job what was his unit rate and hours per acre you multiply the numerator and a complex fraction by the reciprocal of the denominator to calculate our

    asked by Sara
  3. Geometry

    10. Which of the following quadrilaterals always have diagonals that are congruent. Circle all that apply Parallelograms Rectangles Rhombi Squares Isosceles trapezoids 19. Given square ABCD: if the measure of angle ACB = (1x - 32) degrees, find the value

    asked by Jonathan
  4. Physics

    A .25 kg pool ball is moving at 5.0m/s E towards a second identical ball at rest. After the collision, the first ball is seen moving at 1.0 m/s E. what is the final velocity of the second ball?

    asked by Gar
  5. Math

    A bag contains: 5 red marbles 6 blue marbles 3 green marbles 4 black marbles 2 yellow marbles A marble will be drawn from the bag and replaced 100 times. What is the reasonable prediction for the number of times a green or black marble will be drawn?

    asked by Dallas
  6. MLA

    7. When a block quotation is used in a research paper, punctuation _______ the parenthetical citation. A. is set off by a comma from B. precedes C. is omitted from D. follows 8. It's necessary to use a/an _______ when a quotation is introduced by a verb.

    asked by Ariel
  7. physic

    A student takes the elevator up to the fourth floor to see her favorite physics instructor. She stands on the floor of the elevator, which is horizontal. Both the student and the elevator are solid objects, and they both accelerate upward at 5.15 m/s2.

    asked by joy
  8. Physics

    A spacecraft is on a journey to the moon. At what point, as measured from the center of the earth, does the gravitational force exerted on the spacecraft by the earth balance that exerted by the moon? This point lies on a line between the centers of the

    asked by A.S
  9. MLA English

    1. The MLA format for citing a book has four parts, beginning with the author’s name. What appears in the fourth position? A. Place of publication B. Date C. Publisher D. Medium 2. Which of the following is a true statement about an MLA Works Cited page?

    asked by Ariel
  10. design

    what is the design name given to a chair without back legs berlins, cesca, cantilever, *** or wassily

    asked by BLA BLA
  11. Chemistry

    Several compounds containing only sulfur (S) and fluorine (F) are known. Three of them have the following compositions: i. 1.188 g of F for every 1.000 g of S ii. 2.375 g of F for every 1.000 g of S iii. 3.563 g of F for every 1.000 g of S How do these

    asked by Dalal
  12. ELA

    How is haiku and concrete poems alike?

    asked by skjz
  13. Math

    PQRS in which PQ=PS=5cm RS=5.5cm angle p=90 degree and angle S =120 degree

    asked by Vidyuta
  14. AP Chemistry

    If 25 mL of a 0.5 M NaOH solution were needed to reach the equivalence point of a 20 mL HCl solution, what was the initial analyte concentration? I am confused how to solve this problem, and also, what does "initial analyte concentration" refer to? Thanks!

    asked by Megana
  15. Math


    asked by Daemon
  16. Math

    How do you isolate the variable in 3x=9?

    asked by Nathan
  17. Science

    A student slides down a slide at recess. After getting off the slide he goes to cross the monkey bars. As he touches the metal of the monkey bars, he gets a shock. How did the electric charge transfer from the slide to his body? a. friction *** b.

    asked by Anonymous
  18. Math

    Tina has 1/2 quart of iced tea. She pours the same amount into each of 3 glasses. Which equation represents the fraction of a quart of iced tea that is in each glass? Mark all that apply. A. 1/2 ÷ 1/3 = n B. 2 ÷ 3 = n C. 2 ÷ 1/3 = n D. 1/2 x 1/3 = n E.

    asked by Mia
  19. Is this correct? Algebra

    9. Joe wants to fence a rectangular pen for his goats. the length of the pen should be at least 60 ft, and the distance around should be no more than 260 ft. Which system of inequalities and graph represent the possible dimensions of the pen? I want to

    asked by Kiki
  20. Math

    Write a list of steps that are needed to find the measure of ∠B. A line segment ACD is shown with triangle ABC drawn so that AC is the base of the triangle. Angle BAC is labeled with 72 degree sign, and angle BCD is labeled with 113 degree sign.

    asked by barb
  21. calc

    y= -cot (3x-2pi/3) + 2 graph and find assymptotes

    asked by to
  22. Math

    Write a multiplication equation with one variable and one fraction that has the solution 8.

    asked by BOI
  23. Math

    There are 21 white cars in the parking lot. These cars represent 35% of all the cars in the parking lot. How many cars are in the parking lot?

    asked by Tiffany
  24. Chemistry

    Calculate the speed of electrons in meters per second if their characteristic wavelength is 543 pm.

    asked by Austin
  25. Physics

    Hammering a nail into wood makes it get hotter. Consider a 5-g long, 5-gauge steel nail and a hammer that exerts an average force of 500 N on the nail when it is introduced to a piece of wood. The nail gets warmer each time. Demonstrate that the increase

    asked by Sonder
  26. Math

    It cost $20 for a concert ticket plus an additional $5 processing fee. Let t represent the number of tickets sold and C represent the cost. Write a function rule. Please help

    asked by Hayden
  27. Math

    NEED HELP NOW!! Which of the following ratios is equivalent to 12/15 a 4:5** B10:20 C 60 to 80 D 60/45

    asked by Kk
  28. Graphing Linear Equations! Quiz! HELP ASAP

    I just need many examples and tips on how you solve, find, graph, and answer linear equations. I'm so confused!

    asked by Random Girl
  29. math

    A car that weighs 15,000 N is initially moving at 60 km/hr when the brakes are applied. The car is brought to a stop in 30 m. Assuming the force applied by the brakes is constant, determine the magnitude of the braking force

    asked by mona
  30. Math

    In a class, the probability that a randomly chosen student likes dogs is 0.72, that a student likes cats is 0.54, and that a student likes neither is 0.11. Find the probability that a student likes both dogs and cats.

    asked by bryan
  31. physic

    A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a second block with mass m2 that sits on a ledge. The second block is also connected to a third block with mass m3 by a second rope that hangs over a second ideal

    asked by joy
  32. World History

    Which accurately describes the rise of Napoleon Bonaparte’s power to overthrow the French government?

    asked by Aria
  33. Chemistry

    Name each of the following compounds: a. CrO3 c. Al2O3 e. CaBr2 b. Cr2O3 d. NaH f. ZnCl2

    asked by Dalal
  34. Trigonometry

    In triangle XYZ, XZ=6, ZX=7, and XY=8, find (sinY+sinZ)/sinX.

    asked by bryan
  35. Math

    A car moving at a constant acceleration covers a distance within two point that are 80m apart in 7s, when it's speed at the 2nd point is 15m/s . what it is speed at the first point? Also what is the acceleration?

    asked by Mjay
  36. Math

    Solve the equation 5m = 15 to find the number of miles that Lan jogged each day. Justify each step you take to solve the equation.

    asked by TRANSCHILD
  37. Physical Science

    If a step-up transformer has a primary coil with 40 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts?

    asked by Arianne
  38. English

    What is the simple definition of theme and theme statement?

    asked by Anonymous
  39. chemistry

    Water: describe how its molecular structure is responsible for its ability to serve as a solvent for salts and other ionic or polar materials. Explain how you can be sure it isn't a straight molecule? Is it because hydrogens can come off a attach to other

    asked by Anonymous
  40. Language arts

    Which other word most likely includes the root found in varieties? A. valid B. vanity C. various D. varsity

    asked by PETER
  41. english

    what did briggs think

    asked by girluky
  42. CHEM

    Europium can have a 2+ or a 3+ charge. which one of the following below is not possible 1. EuSO4 2.Eu2(SO4)3 3.EuPO4 4.Eu(NO3)3 5.EuHCO3 Which of the compounds below would not have hydrogen bonding as an intermolecular attractive force 1. H-O-CH3

    asked by SHORNORA
  43. Maths

    Lucas will be twice his brothers age in the next four years. If lucas's brother is now 6 years old, how old is lucas?

    asked by Pamela
  44. Math

    Felton Riddle: Your son Felton is a student in a class of 6 children. His classmates are Aaron, Bert, Chester, Diego, and Elmer. Aaron is better than Chester. Bert is better than exactly three others. Chester is better than at least one other student.

    asked by Affi
  45. Science

    the spindle fibers disappear and a new nucleus membrane forms around each set of DNA molecules is it Prophase I?

    asked by TheVroomin
  46. Help

    What role do genes play in brain development in the following. I am having hard time finding information. Gene-environment correlation Gene-environment interaction Epigenetic processes

    asked by Betty
  47. Chemistry

    Calculate the wavelength in nm of the line with n = 6 in the Pfund series of the spectrum of atomic hydrogen.

    asked by Austin
  48. Math help

    Can someone please help me? I've been stuck on this for two days Leo is planning a trip with his friends by renting a bus. He found that the bus costs $75.50 for 5 people. If he is planning to go with 13 people and himself, how much money will Leo pay for

    asked by Isabelle
  49. Chemistry

    The work function for a certain metal is 3.00 eV. Calculate the speed of the electrons in m/s ejected by light of wavelength 209 nm. If it is not ejected, report a speed of 0.0.

    asked by Austin
  50. Physical Science

    A camcorder has a power rating of 16 watts. If the output voltage from its battery is 4 volts, what current does it use?

    asked by Francisco
  51. Chemistry

    How is a strong base similar to a weak base? What is observed when an acid dissociates in water?

    asked by anden
  52. Mathematics

    Helen give her brother 1/3 of her money.spend 2/5 and save $28.00. A. How much money helen had at first. much money did belen give her brother.

    asked by Pamela
  53. Physical Science

    The law of reflection states that if the angle of incidence is 7 degrees, the angle of reflection is ___ degrees.

    asked by Francisco
  54. Physical Science

    A clothes dryer uses about 2 amps of current from a 240 volt line. How much power does it use?

    asked by Francisco
  55. physics help please

    An electron is placed in an electric field of 12 N/C to the right. What is the resulting force on the electron? I just don't see how I have enough information to solve this.

    asked by anonymous
  56. Physics

    Object 1,which has a mass of 5 kg, is thrown at 10 m/s. Object 2 has a mass of 8 kg. With what speed should the second object be thrown for it to have the same momentum as Object 1? My answer: 6.25 m/s

    asked by Anonymous
  57. Science

    What specific body parts have same functions as organelles?

    asked by Patrick
  58. chemistry

    what behavior do all salts exhibit, when dissolved in water? They dissolve in water , although there are some exceptions..... Indicators: Are indicators consumed in reactions. Example. Yes they are consumed because when Phenophalien is added it changes the

    asked by anden
  59. Science

    Which of the following is not a force that would act on a skateboard rolling down a ramp? a. gravity*** b. air resistance c. rolling friction d. static friction

    asked by Anonymous
  60. Maths

    A litre of metal paint covers 13.5 m ,How many 1litre tins will be needed

    asked by Anonymous
  61. Science

    If you swung a bucket of water quickly in an upside down circular path, the water would not fall out of the bucket. Which of the following best describes why this happens? a. Due to centripetal force, the water is pushing on the bottom of the bucket.*****

    asked by Anonymous
  62. art

    Which most accurately explains the way bias can change how art historians evaluate artwork? When a subject is outdated, art historians see less need to research why the subject is important. When art historians prefer a certain subject, they can overlook

    asked by Bri
  63. English

    Write narrative essay about New boy

    asked by Sima
  64. Physics

    Please show each step: Consider a mixture of 100 grams of water at 25 ° C with 75 grams of water at 40 ° C. Calculate the final temperature of the sample.

    asked by Sonder
  65. Physics

    Please show each step: Tony burns a 0.6 gram peanut submerged in 50 grams of water, which increases its temperature from 22 to 50 ° C. a) Assuming an efficiency of 40%, calculate the nutritional value of the peanut. b) Demonstrate that the nutritional

    asked by Sonder
  66. Physics

    Please show each step: If you want to heat 100 kg of water at 20 ° C for your bath, calculate the amount of heat in water. Then it shows that this is equivalent to 8360 kilojoules.

    asked by Sonder
  67. Math

    If there was ever a small quantity of the Universe creating a multiverse up to 30 thousand light years away, does that mean that we the people are only 14.56 x 100^23 light years away? Keep in mind that we use the original equation e=mc^2 for light years.

    asked by Stanley Stanford
  68. Chemistry

    How can I determine the H3O+ concentration of 0.50 M HCHO2 if I don't have the Ph of the solution?

    asked by Er
  69. chem

    the recommended Daily Allowance of niacin is15mg how many moles of vitaminB3 does the government recommend that you ingest every day RDA of niacin 2. given that one peanuts contains 220ug of niacin and there are 110 peanuts in a cup how many cups of

    asked by SHORNORA
  70. Prealgebra

    Please help me to solve this word problem. How do I write and equation and solve? Find three consecutive even integers such that 50 times the smallest is 88 less than 46 times the largest

    asked by Mikey
  71. Math

    Express the following as a product containing only sines and/or cosines. sin9x−sin7x

    asked by Daemon
  72. Math

    Really Stumped on this one, any help would be great! Thanks! Find the exact value of cos 2x using the double angle formula. cosx=−2/13 cosx=-2/13 where π2

    asked by Daemon
  73. Maths

    Find the cost of carpeting a room 13m by 9m with a carpet of width 75cm at the rate of 105per metre.

    asked by Shehzad
  74. physics

    Peter Pan is suspended in space. He throws an entire jar of pixie dust to his left. Which way does he move?

    asked by Anonymous
  75. Maths

    The cost of carpeting a room 15m long with a carpet of width 75cm at the rate 80 per metre is 19200.find the width of the room.

    asked by Shehzad
  76. physics vectors

    In the sum A+B+=C, vector A has a magnitude of 11.4 m and is angled 48.4 degrees counterclockwise from the +x direction, and vector C has a magnitude of 14.8 m and is angled 16.6 degrees counterclockwise from the -x-direction. What are the A) magnitude and

    asked by kkbrabra
  77. digital arts

    sculpture is an example of preforming art true false**

    asked by kendra
  78. Chem 32

    Europium can have 2+ or a 3+ charge which one of these formulas is not possible 1) EuSO4 2)Eu2(SO4)3 3)EuPO4 4)Eu(NO3)3 5) EuHCO3

    asked by Shornora
  79. Econ check my work

    Consider the following data: 23 17 20 29 21 14 19 24 Develop and test a hypothesis to determine if the variance is greater than 4. Use the critical value approach and α = 0.05. So I did my work and the variance I calculated is 18.3593 which is greater

    asked by Anonymous
  80. physic

    could somebody shows me how to get to the answer key. The answer key is 1290N.The x and y coordinates of a 4.30-kg particle moving in the xy plane under the influence of a net force F are given by x = t4 − 5t and y = 5t2 + 1, with x and y in meters and t

    asked by joy
  81. Physics

    Find out the resultant of two forces of 4N and 7N acting at an angle of 140°

    asked by Anonymous
  82. math

    Find the projection of the line 3x – y +2z – 1 = 0, x +2y – z = 2 on the plane 3x + 2y +z = 0.

    asked by Anonymous
  83. math

    A display case of toy rings are marked 5 for $1. If Zach wants to buy 50 toy rings, how much will Zach spend (not including tax)?

    asked by kj
  84. Science

    When a ball dropped from a height it's speed continuously increased Give reason

    asked by Sanskar jain
  85. History

    If a soccer ball is for the sport soccer, why isn't a football called a football ball if the football is also the name of the sport itself?

    asked by Jane
  86. Chemistry

    Calculate the change in enthalpy produced by dissolving 14.3 g of NaOH in 65.0 g of water if the temperature increases 49.1°C and the specific heat of water is 4.18 J/g°C Do I have to use the 14.3g of NaOH?

    asked by Erica
  87. Chem 32

    1)Number of moles in 2.2 grams of niacin? 2) which compound would not have a hydrogen bonding as a intermolecular attractive Force 1)H-O-CH3 2)CH3-CH2-CH2-O-CH3 3)NH3 4)H2O 5)CH3-NH2?

    asked by Shornora
  88. Physics

    Toy 1, which has a mass of 2 kg, is moving to the right at 3 m/s, and Toy 2, whose mass is unknown, is moving to the left at 3 m/s. After the two toys collide, each object's speed is 3 m/s. What could be Toy 2's mass (choose 2 answers)? A. 1 kg B. 3 kg C.

    asked by Anonymous
  89. Java Computer Science

    Say I write an application that prompts the user to enter an integer. If the user enters a double or string or anything, anything not an integer an error will appear. I'm having trouble writing code to combat this problem so I can errorproof my

    asked by Anonymous
  90. Math

    Elena wrote the equation 5x = 25. She wants to multiply 25 by 5 to solve it. Does this make sense? Explain why or why not, and then give the solution.

    asked by DA QUEEN
  91. math

    2(4x+3) a b ----------- ≡ (identically equal to) ------ + ------ (x-3)(x+7) x-3 x+7 (2(4x+3))/((x-3)(x+7)) ≡ a/(x-3) + b/(x+7)

    asked by anonymous
  92. Chemistry

    Write the formula for each of the following compounds: a. cesium bromide b. barium sulfate c. ammonium chloride d. chlorine monoxide e. silicon tetrachloride f. chlorine trifluoride g. beryllium oxide h. magnesium fluoride

    asked by Dalal
  93. physics

    A 1.49-kg particle initially at rest and at the origin of an x-y coordinate system is subjected to a time-dependent force of F(t) = (4.00ti − 8.00j) N with t in seconds. (a) At what time t will the particle's speed be 14.0 m/s? s (b) How far from the

    asked by joy
  94. chemistry

    using the kinetic theory what happens to the particles in oxygen as it cools down

    asked by Minnie
  95. Math

    Three factories Buka, Sakono and Rama produce sugar in one hundred kilogram bags daily. Buka produces three times as much as Rama. Sakono produced two times as much as Rama. If Sakono produces 500 bags, how many tones altogether do three factories produce

    asked by K
  96. Calculus

    How do I take the indefinite integral of (5-x)/(2x^2+x-1)? I've tried splitting it into two integrals and even completing the square on the bottom but neither of those led me anywhere. Help?

    asked by Mel
  97. social studies

    which of the following was not a cause for civil war A-belief of states rights B-blockading southern ports C-declaration to end slavery D-firing at fort sumter

    asked by Everybody knows
  98. math

    Ray owns a gym and he needs equipment for a new workout class. He has two different options: • Lease equipment for $1100 per month. • Purchase new equipment for $24 000 which he will finance with a bank loan that charges an interest rate of 7.1%,

    asked by Anonymous
  99. History

    Causes and effects of Industrial Revolution 1790-1914

    asked by Reily
  100. History Help

    Who would support democracy based on the Old Oligarch? A. The poor and the common people B. Thee high-born and wealthy C. Everyone in Athens D. The non-Greek speaking people or Barbarians What do you think the Old Oligarch means when referring to the best

    asked by Cody
  101. History

    1919-1939 Causes and Effects of The Great Depression

    asked by Reily
  102. Math

    Solve: 3/2 x - = 19

    asked by Aniya
  103. Language Arts

    Can someone please give me 4 reason how texting and face to face conversation is the same?

    asked by taytay
  104. Social Studies

    how did the supreme court decision in Worcester V.Georgia and the Indian removal act lead to the removal and resettlement of native Americans groups?

    asked by THOMAS BEASLY
  105. language arts

    so ive been stuck on this for a while in "in just-" what is the meaning of the words "in just-/spring"? in language arts pleaze help

    asked by secret
  106. Social Studies

    How does the strong history of immigration in the United States influence the kind of nation we have become? Since most Americans are descendants of immigrants, why do you think discrimination against today's immigrants persists? Do you think immigration

    asked by Kit-Kat
  107. Physical Science

    Please show each step: If you want to heat 100 kg of water at 20 ° C for your bath, calculate the amount of heat in water. Then demonstrate that this is equivalent to 8360 kilojoules.

    asked by Sonder
  108. Math

    5 percent of x is 30 what is x

    asked by I need help>_<
  109. English

    What are 4 examples of foreshadowing in Act 1, Scene 3 of Julius Caesar?

    asked by Anaya
  110. English

    How would you connect new study material to areas that you’re already familiar with?

    asked by Anonymous
  111. Maths

    Factorise 25k^2-20+(4/k^2)

    asked by Timmy