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Popular questions and responses by someone
  1. algebra

    1. write an algebraic expression for the word phrase: the quotient of r and 12 a.r * 12 b.r/12**** c.r-12 2. write a word phrase for the algebraic expression: 2t - 9 a.nine fewer than two times a number t***** b.nine fewer than two times a number t c.nine

    asked on August 23, 2015
  2. Chemistry 1

    Calculate q when 22.0 g of water is heated from 25.0°C to 100.0°C.

    asked on November 2, 2016
  3. Spanish

    In which country is baseball more popular than soccer? A. la Repúplica Dominicana B. Argentina C. Espana D. Perú I think the answer is B, am I correct? If not B then C.

    asked on December 12, 2017
  4. HELP MATH ONLY 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!

    you draw five card from a standard deck of 52 cards p(heart)=4/5. what type of probability is illustrated and why?? 1) Theroretical ; the result is based on then number of possible outcomes 2) Theroretical; the result is found by repeating an experiment

    asked on May 1, 2014
  5. Algebra 1

    The area of a rectangular pool is given by the trinomial 2y^2+5y-42 . What are the possible dimensions of the pool? Use factoring. a. 2y+7 and y-6*** b. 2y-2 and y+6 c. -2y-7 and -y-6 d. 2y-7 and y+6 tbh im guessing. i have no clue. can someone help

    asked on February 28, 2017
  6. Calculus

    if f(x)= |(x^2-9)(x^2+1)| how many numbers in the interval [-1,1] satisfy the mean value theorem? None 1 2 3 Will someone please explain in detail?

    asked on January 11, 2017
  7. algebra

    Which of the following expressions is true? a. 4^3 * 4^5 < 4^12 b. 5^2 * 5^3 > 5^5 c. 3^2 * 3^4 = 3^2***** d. 5^2 * 5^4= 5^8 Which of the following expressions is true? a. 2^4 * 2^4 >2^7***** b. 3^2 * 3^6= 3^7 c. 4^3 * 4^5< 4^8 d 5^2 * 5^3 = 5^6 Please

    asked on April 13, 2016
  8. ap chemistry

    Discuss briefly the relationship between the dipole moment of a molecule and the polar character of the bonds within it. WIth this as a basis, account for the difference between the dipole moments of CH2F2 and CF4. does anyone have any idea? the greater

    asked on December 7, 2006
  9. Calculus

    a 160-inch strip of metal 20 inches wide is to be made into a small open trough by bending up two sides on the long side , at right angles to the base. the sides will be the same height , x. if the tgrough is to have a maximum volume, how many inches

    asked on January 11, 2017
  10. English

    (1) Sale looked at the map one more time. (2) She knew that the whole troop was depending on her. (3) Sal couldn't decide if the trial was to the east or to the west. (4) The map was confusing. (5) Sal was tired. (6) She needed to make a decision. 1. Which

    asked on October 17, 2018
  11. chem.

    Diet Coke has a pH of about 3.0. Milk has a pH of about 7.0. How much greater is the H+ ion concentration of Diet Coke when compared to milk? - Would it be 1x10^4 greater concentration

    asked on April 15, 2008
  12. Physics

    a diver running 1.6m/s dives out horizontally from the edge of a vertical cliff and reaches the water below 3.0s later. how high was the cliff and how far from its base did the driver hit the water?

    asked on August 1, 2009
  13. English 12

    can someone check my answers please? 1. Which of Yeats's poem opens with the symbol of a gyre, a spiral spinning out of control? (1 point) "Sailing to Byzantium" "The Second Coming"(My Answer) "When You Are Old" "A Prayer For My Daughter" 2. Which of the

    asked on May 29, 2013
  14. Calculus

    A particle moves along the x-axis with position function s(t) = e^cos(x). How many times in the interval [0, 2π] is the velocity equal to 0? 1< My answer 2 3 More than 3 I don't really get this question will someone please explain it to me?

    asked on January 11, 2017
  15. physics

    a shot-putter throws the shot with an intial speed of 14 m/s at a 40 degree angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.2m above the ground. i got to answers which is

    asked on August 1, 2009
  16. Math

    Find the surface area of the prism 5m 9m 12m 1.426m 2.306m

    asked on April 7, 2016
  17. Roman history

    Which fact most clearly shows the difficulty in defending the Roman empire against invasion? A. At its height, the empire likely had a population as high as 100 million. B. At its height, the empire comprised nearly 1.7 million square miles of land and

    asked on December 14, 2018
  18. math

    Vivian is going to do some yard work, but she needs to leave her house at 2:00 to go to a football game. She is going to mow the lawn for 1 hour and 15 minutes, trim some bushes for 40 minutes, and put down some mulch for 25 minutes. She will also need 30

    asked on February 17, 2017
  19. Physics

    a shot-putter throws the shot with an intial speed of 14 m/s at a 40 degree angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.2m above the ground. t=2.06? x=22.08? am i right?

    asked on August 2, 2009
  20. math

    Find the volume of a cone with a radius of 10 mm and a height of 6 mm.? 628 mm3 600 mm3 1,884 mm3 1,254 mm3 is it c

    asked on March 6, 2013
  21. Calculus

    The end behavior of f(x)=(2+x^2)/(x^2-36) most closely matches which of the following: y=1 y=-1 y=2 y=0 There is no leading coefficient so I am not sure what the answer is.

    asked on January 11, 2017
  22. Chem 3

    A 2.00 kg piece of granite with a specific heat of 0.803 J/g·°C and a temperature of 95.0°C is placed into 2.00 L of water at 22.0°C. When the granite and water come to the same temperature, what will that temperature be?

    asked on November 2, 2016
  23. PLEASE HELP BEEN STUCK ALL DAY CALCULUS

    The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer.

    asked on January 11, 2017
  24. math

    12. Estimate the area of a circle with a radius of 16 meters. use 22/7 for π A. 62 Square meters B. 531 Square meters C. 805 Square meters D. 1,608 Square meters if someone could help me please that would be nice idk how to do the math- ;-;

    asked on May 6, 2020
  25. algebra

    Jorge is painting a rectangular mural. Its length is 2 ft less than twice its width. Its area is 264 ft2. Find the dimensions of the mural.

    asked on March 1, 2015
  26. math 2

    Prove that (cos40-sin30)/(sin30-cos50)=tan50

    asked on November 3, 2016
  27. Home economics

    List and explain five branches of home economics which are inter related

    asked on September 18, 2018
  28. HELP MATH 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    a number cube is rolled 120 times. the number 4 comes up 47 times. what is the experimental probability of rolling a 4 A) 47/120 ; 1/30 B) 47/120 ; 1/6 C) 4/47 ; 1/6 D) 1/6 ; 47/120

    asked on May 1, 2014
  29. Social Studies

    1.Suppose that people in your community voted to eliminate all local taxes. Which of these goods and services would most likely disappear? A-Interstate highway B-Neighborhood trash pick-up C-Regional military base D-Grocery store parking lots

    asked on January 29, 2020
  30. chemistry

    For Hg2+(aq) + 2e -> Hg(l) E=0.851 V This means that: A) Hg(l) is more readily oxidized than H_2(g); B) Hg^2+(aq) is more readily reduced than H^+(aq) C) Hg(l) will dissolve in 1 M HCl D) Hg(l) will displace Zn(s) from an aqueous solution of Zn^2+ ion

    asked on March 31, 2009
  31. SOCIAL STUDIES

    1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll

    asked on June 4, 2015
  32. statistics

    Hey. I am having problem with stem leaf plot diagram. Heres the data I need to make steam leaf plot out of: 1.7 5.7 7.6 8.7 9.8 12.0 13.2 13.6 14.6 15.8 16.0 17.5 19.3 21.5 21.8 23.8 24.4 27.7 33 33.0 34.4 35.4 Can someone tell me how I would do that?

    asked on September 29, 2010
  33. Chemistry

    A metal, M, of atomic weight 96 u reacts with fluorine to form a salt that can be represented as MFx. In order to determine x and therefore the formula of the salt, a boiling point elevation experiment is performed. A 10.9 g sample of the salt is dissolved

    asked on March 4, 2017
  34. math

    Valerie tells Robbie, "I'm thinking of a number between 1 and 50. If I divide the number by 4, then add 5, then subtract 6, I get 6. i tried 12,24,36,48,42 its non of those

    asked on February 17, 2017
  35. Social studies

    what effect did john hay's open door policy letters have on the imperial powers of britain france germany russia and japan? A:it provoked the imperial powers to declare war on the United States B:it caused the imperial powers to restrict trade in their

    asked on April 26, 2017
  36. SCIENCE HELP PLZZZZZ! ONLY ONE QUESTION!

    Which of the following correctly describes how nerve impulses move throughout the body? A. Electrical transmission through neurons and elecrical transmission between neurons. B. Chemical transmission through neutrons and chemical transmission between

    asked on January 7, 2014
  37. Chemistry

    The heat of combustion of liquid hexane (C6H14) to carbon dioxide and liquid water at 298 K is -4215 kJmol−1 . Find ΔrU of the reaction.

    asked on February 10, 2017
  38. SCIENCE HELP! ONLY ONE QUESTION!

    Which of the following correctly describes how nerve impulses move throughout the body? A. Electrical transmission through neurons and elecrical transmission between neurons. B. Chemical transmission through neutrons and chemical transmission between

    asked on January 7, 2014
  39. chemistry

    When using science to investigate physical phenomena, which of the following is NOT a characteristic of the event must exist? measurable falsifiable observable readable

    asked on April 5, 2019
  40. Chem

    A particular balloon is designed by its manufacturer to be inflated tom a volume of no more than 2.5 L. If the balloon is filled with 2.0 L of helium at sea level, is released, and rises to an altitude at which the atmospheric pressure is only 500. mm Hg,

    asked on January 19, 2011
  41. math

    Jill ran 6 1/4 miles at practice today. Amanda ran 3 7/8 miles at practice today. How many more miles did Jill run

    asked on December 20, 2018
  42. chemistry

    What are the 4 main components of air in their molecular form?

    asked on February 22, 2019
  43. Math

    Use the graph below to answer the question that follows> Which statement describes the speed of the remote-control car over time? A-the speed of the car decreases from 4mi/h to 2mi/h in the first 3 seconds, increase to five mi/h in the next 2 seconds, and

    asked on February 20, 2020
  44. science

    Which of the following statements about the Moon is true?

    asked on January 2, 2019
  45. Math

    Hey! I need help with this question. Apply the properties of integer exponents to identify all of the expressions equivalent to 18. a) 2-3 b) 23 c) 123 d) 22x 2-5 e) 2-2x 25

    asked on September 25, 2019
  46. geography

    Where in Europe are the Romance languages mainly spoken? Central Europe Northwestern Europe Southern Europe Western Europe

    asked on April 5, 2019
  47. civics

    There is a public debate between the three candidates for the U.S. Senate. During the debate, the topics of oil and energy are addressed. Each candidate expressed their view on the issue: Edgar Eisenhower: "We need to cut our dependence on foreign oil.

    asked on May 31, 2017
  48. Physics

    On Planet X, an astronaut has maximum walking speed of 1.9 m/s. The astronaut's legs are each 1.3 m long. What is the constant of acceleration due to gravity on Planet X?

    asked on January 8, 2016
  49. physics

    The two small spheres each with mass m= 25g are hung by silk threads length L=.65m from a common point. When the spheres are given positive charge such that q1=2q2, each thread hangs stationary at theta=15 degrees from the vertical. Using Newton's first

    asked on June 9, 2016
  50. Calculus

    The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer. V = πr²h = 16πr² dV/dr = 32πr dV =

    asked on January 11, 2017
  51. Calculus

    The end behavior of f(x)=(2+x^2)/(x^2-36) most closely matches which of the following: y=1 y=-18 y=2 y=0 I still don't get this based on steve's answer will someone please help?

    asked on January 11, 2017
  52. Science help.

    1. The ___ is the outer, thinnest layer of your skin, which houses sweat pores. (1 point) epidermis dermis fatty layer hair 2. One of the purposes of sweat glands is to release waste products, such as water and _____. (1 point) blood dirt sugar salt 3.

    asked on March 14, 2013
  53. Compound interest

    Hello My teacher skipped over this and I have no clue how to do this or the equations. Help would be wonderful thank you If 6000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 15 years

    asked on May 12, 2012
  54. chemisrty

    What is the ratio of the average velocity of hydrogen molecules to that of neon atoms at the same temperature and pressure?

    asked on May 13, 2010
  55. Calculus Please Help

    evaluate the table and find d/dx [g[f(2x)]] at x=1 f(x) 6,1,6,2 f'(x) 1,2,5,7 g(x) 1,4,4,3 g'(x) 4,5,5,-4

    asked on January 11, 2017
  56. history

    ( ) around my answer. If nothing is there then i don't know What is one important achievement of the Incas? A. a written language B. a system of democratic government C. a system of roads and bridges D. an accurate calendar What is one way in which the

    asked on September 21, 2016
  57. Math

    James and Becky have a total of 4 2 over 8 feet of yarn. Becky has 1 5 over 8 feet of yarn. How many feet of yarn does James have?

    asked on February 16, 2018
  58. math, algebra

    1. what is the LCD for 3/5 and 1/6 2. what is the difference between 3/7 and 1/14 and so on plz help me

    asked on August 27, 2018
  59. algebra

    Make a table to find the balance in an account starting with $135 at 5% compounded annually for 2 years. In your last calculation, round to the nearest cent. 1 $136.10 2 $148.84 3 $141.75 4 $148.50 i think its 3 please help

    asked on November 20, 2019
  60. algebra

    Suppose that on January 1, 1899, one of your ancestors invested $41 compounded annually at 4.5%. If this money were left to you, how much would you have had on January 1, 2002? 1) $192 2) $3,817 3) $190 4) $3,989*** Please help me i believe it is 4 but i

    asked on November 18, 2019
  61. Social Studies

    On which idea did Patriots and Loyalists most agree?

    asked on October 9, 2019
  62. Chem 2

    Using values from Appendix C in your textbook, calculate the value of ΔH° for the reaction 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g)

    asked on November 2, 2016
  63. History

    What is the role of the government in the mixed economy

    asked on September 4, 2019
  64. AP CHEMISTRY

    The molar mass of an unknown organic liquid (M~100) is determined by placing 5 mL of the liquid in a weighed 125-mL conical flask fitted with a piece of Al foil with a pin hole in it. The flask is heated in a boiling water bath until the liquid evaporates

    asked on April 1, 2013
  65. Social Studies

    what important feature do Confucianism and filial piety share

    asked on February 14, 2018
  66. physics

    A hunter aims directly at a target (on the same level) 120 m away.? (a) If the bullet leaves the gun at a speed of 250 m/s, by how much will it miss the target? (b) At what angle should the gun be aimed so as to hit the target?

    asked on August 1, 2009
  67. math

    I am thinking of 3 different whole numbers which have a product of 36. 5 more than the sum of the 3 numbers is a perfect square. what is the sum of my 3 numbers?

    asked on September 30, 2008
  68. Spanish

    I need help! The question is Which word best completes the following sentence? The standard variety of Spanish is considered A. Natural B. Colorful C. Easy D.neutral I think that it’s a, is that right?

    asked on December 7, 2017
  69. Social studies

    When did the Romans take over Italy? A: By 500 BC B: By 267 BC C: 125 BC D: By 100 AD

    asked on March 20, 2018
  70. math

    One wet weekend, 0.86 inches of rain fell on Saturday. The next day, 1.52 inches of rain fell. How many inches of rain fell over the weekend? i need help I've been stuck on this for 30 minutes

    asked on February 17, 2017
  71. Physical Ed

    11. Disagreements are a normal part of life. (1 point) True False 12. Talking to a trustworthy adult is the best way to stop sexual abuse and get help. (1 point) True False 13. Some conflicts are made worse by peer negotiation. (1 point) True False 14.

    asked on February 6, 2013
  72. Calculus Please Help

    The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer. my answer 30.16

    asked on January 11, 2017
  73. Math

    Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3)

    asked on November 16, 2017
  74. earth and space science

    using an atlas, find the latitude and longitude of San Francisco, California; Wichita, Kansas; and Richmond, Virginia.what do these three cities have in common

    asked on September 10, 2019
  75. algebra

    A coin is tossed. If a head appears, a spinner that can land on any of the numbers from 1 to 4 is spun. If a tail appears, the coin is tossed a second time instead of spinning the spinner. What are the possible outcomes? 1) (T, H), (H, H), (H, 1), (H, 2),

    asked on November 18, 2019
  76. SS

    "Immaigrants who arrive in American cites are poor and frightened. they are helped to find jobs and housing. These newcomers should show their gratitude at voting time" Who most likely would have said this? A-political Boss--- B-Factory owner C-labor union

    asked on April 6, 2017
  77. math

    A pyramid has a height of 5 in. and a surface area of 90 in Find the surface area of a similar pyramid with a height of 10 in. Round to the nearest tenth, if necessary.

    asked on February 17, 2020
  78. Algebra

    Write the ratio 16:24 in simplest form 1:2 4:3 3:4** 2:3 @Mrs.Sue can you please check my answer

    asked on December 7, 2016
  79. Math

    a yogurt shop offers 5 different flavors of frozen yogurt and 11 different toppings. How many choices are possible for a single serving of frozen yogurt with one topping.

    asked on May 7, 2020
  80. Math

    Tony works in a factory that produces 1,000 computers each day. When 50 were sampled, it was found that 7 were defective. Estimate how many defective computers are made each day

    asked on May 7, 2020
  81. Calculus

    Find the x-coordinates where f '(x) = 0 for f(x) = 2x + sin(2x) in the interval [0, 2π]. MY ANSWERS: x = π/2 x = 3π/2

    asked on January 11, 2017
  82. Social Science

    can you please unscramble this name of the animal .. conshorier ????

    asked on September 23, 2009
  83. Social studies

    contrast the upcountry and the lowcountry identify three differences between the two regions plz help

    asked on October 4, 2019
  84. Social Studies

    Compare and contrast the economies of Chile and Venezuela. I really need some help on this can someone name the similarities and differences pleace?

    asked on May 26, 2016
  85. Math

    A coin is tossed and a number cube is rolled. What is the probability that the coin show heads and the number cube shows 5

    asked on May 7, 2020
  86. Literature

    "They said that Jose was born with a ring of dirt around his neck, with grime under his fingernails, and skin calloused form the grainy twist of a shovel" What kind of literary device is this?

    asked on September 10, 2010
  87. math

    Solve 3(x+8)=−3(7−1/4x) What is x equal to?

    asked on May 14, 2019
  88. physical

    the ability to exert muscle force quickly is known as 1) agility 2) power 3) recation time 4) speed I need help! Plz anyone!

    asked on December 18, 2013
  89. Math

    The table shows the drink preferences of 50 shoppers at the mall. What is the probability that one shopper, selected at random for 50 surveyed, preferred either Drink B or Drink A

    asked on May 7, 2020
  90. Math

    The spinner is divided into equal parts. Use a tree diagram to find the probability that the spinner will land on a constant both times if the spinner is spun twice.

    asked on May 7, 2020
  91. chemistry

    Nitric acid is a strong acid. Does this mean that a) HNO3 dissociates completely to H+ (aq) and NO3 ^1- (aq) when it dissolves in water OR b) aqueous solutions of HNO3 contain equal concentrations of H+(aq) and OH- (aq) Thank you!

    asked on February 24, 2010
  92. Math

    Sammy likes to mix match her 4 necklaces, 2 bracelets, and 3 hats. The colors are listed in the table. On Monday, she randomly picks a bracelet, a necklace, and a hat. What is the probability of Sammy choosing a red necklace and a yellow bracelet.

    asked on May 7, 2020
  93. chemistry

    What is the atomic number of potassium? 2 19 20 39 I know it's not 2 but other than that I'm not sure.

    asked on April 5, 2019
  94. MATH

    what is the diameter of a circle with a circumfrence of 47.1

    asked on March 7, 2017
  95. Math

    he number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours will the number of

    asked on May 12, 2012
  96. Chemistry

    100 g piece of granite and a 100 g piece of lead are placed in an oven that is at 100°C. The initial temperature of the pieces are 25°C. After a couple of minutes, neither one is at 100°C, but which one is warmer? Which one will reach 100°C first? How

    asked on November 2, 2016
  97. math

    The number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours will the number of

    asked on May 12, 2012
  98. Algebra

    -your school club decides to hold a fundraiser by selling trail mix, and you are in chrage of making the mix. You plan to offer two mixes, Country Blend and Premium Mix, each sold in one pound bags. Each pound of Country Blend consists of 1/2 pound of

    asked on December 15, 2011
  99. Math

    a survey showed that 36% of car owners prefer two-door cars, 52% prefer four-door cars, and 12% have no preference. You ask 300 people. How many do you think would prefer two-door cars?

    asked on May 7, 2020
  100. math

    a

    asked on October 6, 2019

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