Most popular questions and responses by brandon
  1. social studies

    1. Drag and drop the events to arrange them from the event that occured first to the event that occured last. 3.Colonial leaders sign the Declaration of Independence. 2.British soldiers and American colonists clash in Massachusetts. 1.The members of the

    asked on August 29, 2018
  2. Pyhsical Science

    Which of the following statements is true about scientific theories? A. Scientific theories become scientific laws. B. Scientific theories are never proven. C. Scientific theories become hypotheses. D. Scientific theories summarize patterns found in

    asked on August 27, 2013
  3. science

    displacement vectors of 5km north, 3km east, 2km south, and 3km west combine to a total displacement of? 3km north 13km west 0km 2km south I think 13km west

    asked on February 17, 2012
  4. geometry

    A slide 4.1 meters long makes an angle of 35 degrees with the ground. To the nearest tenth of a meter how far above the ground is the top of the slide. Could someone please explain don't want just answer would like to know how to do the work.

    asked on February 19, 2012
  5. geometry

    A slide 4.1 meters long makes an angle of 35 degrees with the ground. To the nearest tenth of a meter bow far above the ground is the top of the slide? sin=35 x/4.1 x=4.1 sin=35 not sure how to do this

    asked on February 18, 2012
  6. Physical Science

    Which of the following does NOT show the law of conservation of mass? A. 24 g of Mg burn in 32 g O2 to produce 56 g of MgO. B. 24 mL of Mg burn in 32 mL O2 to produce 56 mL of MgO. C. 2 atoms of Mg react with 1 molecule of O2 to produce 2 units of MgO. D.

    asked on August 27, 2013
  7. science

    What would happen if blood entering the heart mixed with blood leaving the heart?

    asked on October 27, 2011
  8. Pyhsical Science

    What is a system of knowledge and the methods used to find that knowledge? A. science B. technology C. measurement D. curiosity I think it's D.

    asked on August 27, 2013
  9. geometry

    Can someone explain how you get the answer b/15. Given the proportion a/b=8/15, what ratio completes the equivalent proportion a/8=?/?. I'm not sure if there is an equation or step you use to get the answer.

    asked on January 24, 2012
  10. English

    1)Read the passage below from "No Dogs Bark" and select the one that best represents imagery in the story. a)"Now and then he seemed to sleep." b)"The old man backed ou to a thick wall and shifted load but didn't let it down fron his shoulders." c)"The

    asked on January 9, 2012
  11. geometry

    Which type(s) of symmetry does the uppercase letter H have? my answer i believe is reflectional symmetry Which type of symmetry is shown by the lowercase letter w? my answer i believe is rotational symmetry. Could someone please check and explain.

    asked on March 5, 2012
  12. maths-9th grade

    what do you call a female bug that float

    asked on March 4, 2010
  13. Math (Statistics)

    In exercise 12, the following data on x = average daily hotel room rate and y = amount spent on entertainment (The Wall Street Journal, August 18, 2011) lead to the estimated regression equation ŷ = 17.49 + 1.0334x. For these data SSE = 1541.4. City:

    asked on April 30, 2017
  14. Physics

    Need Help with physics! Two cars drive on a straight highway. At time t = 0, car 1 passes mile marker 0 traveling due east with a speed of 17.0 m/s. At the same time, car 2 is 1.3 km east of mile marker 0 traveling at 30.0 m/s due west. Car 1 is speeding

    asked on October 4, 2012
  15. Math (Statistics)

    The Centers for Disease Control reported the percentage of people 18 years of age and older who smoke (CDC website, December 14, 2014). Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the

    asked on April 5, 2017
  16. Physics

    A 54 kg box is being pushed a distance of 7.0 m across the floor by a force P whose magnitude is 153 N. The force P is parallel to the displacement of the box. The coefficient of kinetic friction is 0.25. Determine the work done on the box by each of the

    asked on October 13, 2008
  17. geometry

    In the graph below, point D is reflected across the y-axis. What are the coordinates of it's image? The graph looks like D is below the x-axis to the right 3 places from y-axis and down 1 place from x-axis. So would my answer be (3,1)?

    asked on March 5, 2012
  18. Physics

    A boy starts at rest and slides down a frictionless slide as in the figure below. The bottom of the track is a height h above the ground. The boy then leaves the track horizontally, striking the ground a distance d as shown. Using energy methods, determine

    asked on October 17, 2011
  19. Math (Statistics: Test Statistic, Proportion)

    The Pew Research Center Internet Project, conducted on the 25th anniversary of the Internet, involved a survey of 857 Internet users (Pew Research Center website, April 1, 2014). It provided a variety of statistics on Internet users. For instance, in 2014,

    asked on April 6, 2017
  20. Chemistry

    Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 1.9×10−9M Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 2.1×10−2M Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 6.1×10−12M

    asked on April 29, 2014
  21. Probability

    A customer at Cavallaro’s Fruit Stand picks a sample of 3 oranges at random from a crate containing 60 oranges, of which 4 are rotten. What is the probability that the sample contains 1 or more rotten oranges?

    asked on July 23, 2016
  22. Math

    Translate the sentence into an equality. The sum of a number times 5 and 27 is at most −26.

    asked on September 27, 2016
  23. math

    suppose you deposit $3000 in a savings account that pays interest in a a rate of 4%. if no money is added or withdrawn from the account, how much will be in the account after ten years.

    asked on November 9, 2015
  24. Physics

    Three identical charges of 2.0 uC are placed at the vertices of an equilateral triangle, 0.15m on a side. Find the net force acting on each angle.

    asked on February 22, 2012
  25. geometry

    A microscope shows you an image of an object that is 80 times the actual size. Therefore, the scale factor of the enlargement is 80. An insect has a body length of 7 millimeters. What is the body length of the insect under the microscope? I know it's 560,

    asked on March 6, 2012
  26. physics

    Superguy is flying at treetop level near Paris when he sees the Eiffel Tower elevator start to fall (the cable snapped). His x-ray vision tells him Lois LaTour is inside. If Superguy is 1.00 km away from the tower, and the elevator falls from a height of

    asked on June 10, 2010
  27. algebra

    question; you research the average cost of a tank of gasoline for a certain type of car for several recent years to look for trends. the table shows your data. what is the equation for a line of best fit? how much would you expect to pay for a tank of gas

    asked on September 17, 2012
  28. trig

    what is the reference angle for 17 pi/12?

    asked on August 23, 2011
  29. math

    which value is a solution of the equation 2-8x=-6 Plz answer and give whole test answers

    asked on September 20, 2018
  30. math

    it takes about 20 minutes to grade a student's paper. How long, in hours, does it take to grade papers for a class of 25 people?

    asked on February 27, 2015
  31. Chemistry

    Help please, What is the minimum mass of NH4HS that must be added to the 5.00-L flask when charged with the 0.350g of pure H2s(g), at 25 ∘C to achieve equilibrium? Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogen sulfide, H2S, through the

    asked on September 16, 2013
  32. English

    In the story "The Pig" written by Barbara Kimenye can someone help me figure out what she introduces, develops, and how she resolves a major conflict. I believe it has something to do with not believing retirement was for him and his grandson brings him a

    asked on January 11, 2012
  33. math

    lynn is 6 years older than Linda.The sum of their ages is 36. What is Linda's age.

    asked on February 15, 2011
  34. physics

    a locomotive is accelerating at 1.6 meters per second it passes through a 20.1 meter wide crossing in a time of 4.03 seconds after the locomotive leaves the crossing how much time is required until it's speed reaches 5.3 meters per second

    asked on October 6, 2014
  35. algebra

    Molly deposits $200 in a savings account that has a 20% interest rate compounded annually. What will be her total after 3 years?

    asked on October 20, 2016
  36. Phyics

    Sitting besides a friend on a park bench, you grab her hat and start running in a straight line away from her. Over the first 15.0, you accelerate at 1 m/s^2 up to your maximum running speed. You then continue at your maximum running speed for 15 s more

    asked on November 18, 2013
  37. physics

    A 5.00-kg object placed on a frictionless, horizontal table is connected to a cable that passes over a pulley and then is fastened to a hanging 9.00-kg object. Draw free-body diagrams of both objects. Find the acceleration of the two objects and the

    asked on March 25, 2010
  38. Chemistry

    Can someone check my answers? These are based off of an experiment which is determining the proportionality constant, R, in the ideal gas equation. 1. Suppose a student runs into some procedural and calculation difficulties. State the effect the following

    asked on April 1, 2007
  39. algebra

    An experiment consists of spinning a spinner. The odds in favor of the spinner landing on an even number are 3:7. What is the probability that the spinner will not land on an even number? Type your answer as a decimal.

    asked on September 24, 2015
  40. Physics

    When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.25 103 J. By how much does the potential energy of a 17.0 kg child increase when the child climbs a normal staircase

    asked on November 2, 2008
  41. Calculus

    The half-life of radioactive strontium-90 is approximately 31 years. In 1960, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years does it take until only 11

    asked on February 17, 2014
  42. Physics

    a 1.0 N-weight is hanging at rest as shown. In each case, write in the magnitude of the unknown force. a) chain with a weight of 2.5 N has a 1.0 N hanging weight b) chain with a weight of .5 N has a 1.0 N hanging weight c) stretched elastic band with

    asked on March 11, 2012
  43. Math

    John's high score on the Asteriud Game was 326,700. Mike's high score was 418,200. Rebecca just played the game and her high score was halfway between John's and Mike's. What was Rebecca's score?

    asked on September 17, 2012
  44. physics

    A jet airliner moving at 500 mph due east moves into a region where the wind is blowing at 120 mph in a direction north . What is the new velocity and direction of the aircraft?

    asked on June 10, 2010
  45. mathematics

    After his first six biology tests, Ruben has a mean score of 78.What score does Ruben need on the next test to raise his average (mean) to 80?

    asked on August 11, 2019
  46. math

    Solve the equation check for extraneous solutions 6/6-4x/=8x+4 I used/ / for the brackets posssible answers x=1 x=5/2 or x=2 x=5/2 x=5/2 or x=1 Not looking for just the answer, would like to know how to get it.

    asked on August 27, 2012
  47. geometry

    A blueprint for a house has a scale factor of 1:35. A wall in the blueprint is 3inches. What is the length of the actual wall? Can someone explain how to figure scale factor?

    asked on March 6, 2012
  48. geometry

    The length of the hypotenuse of a 30-60-90 triangle is 12. Find the perimeter.

    asked on February 18, 2012
  49. English

    Read the paragraphs from “Let’s give up on the Constitution” by Louis Michael Seidman. The deep-seated fear that such disobedience would unravel our social fabric is mere superstition. As we have seen, the country has successfully survived numerous

    asked on June 14, 2019
  50. math

    Mrs little create a box plot for the test scores on her latest math test. she finds that the interquartile range is 20 points. what is the Mean?

    asked on May 16, 2013
  51. social studies

    Due to the spread of the Roman empire throughout Europe,(blank) also spread through the area. A. germanic languages B. basque C. latin D. Indo-european languages my best answer A correct me right or wrong

    asked on May 13, 2019
  52. Chemistry

    Some solid CaO in a test tube picks up water vapor from the surroundings to change completely to Ca(OH). An observed total initial weight (CaO + test tube) of 10.860 g goes eventually to 11.149 g. What is the weight of the test tube?

    asked on January 26, 2018
  53. geometry

    find the geometric mean of 275 and 11 275/x=x/11 x^2= 3025 x=sq rt 3025 now I'm not sure what to do.

    asked on February 1, 2012
  54. Algebra

    The functions f(x) and g(x) are described below: f(x) = 32x + 8 g(x) = 32x − 9 The graph of g(x) is obtained by shifting down the graph of f(x) by _____ units. Numerical Answers Expected! Answer for Blank 1: „ð Question 11 (Multiple Choice Worth 5

    asked on November 24, 2015
  55. Math

    What number is 4 tens more than 26.?

    asked on January 9, 2013
  56. Math

    what is the solution to (3 × 102) x (5 × 105), written in scientific notation? A.1.5 × 10^8 B.15 × 10^8 C.1.5 × 10^7 D.15 × 10^7 ben spent 2/3 of his allowance on video games. what is the fraction of his allowance expressed as a decimal. 0.6 0.7 0.16

    asked on October 30, 2018
  57. Math

    There are about 7 billion people on Earth. Suppose that they all lined up and held hands, each person taking about 2 yards of space. a. How long a line would the people form? b. The circumference of the Earth is about 25,000 miles at the equator. How many

    asked on November 17, 2013
  58. Math: Thinking Mathematically

    A flagpole has the height of 16 yards It will be supported by three cables, each of which is attached to the flagpole at a point 4 yards below the top of the pole and attached to the ground at point that is 9 yards from the base of the pole, Find the total

    asked on March 21, 2014
  59. Physics

    A water skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of 17.9 m/s. As the drawing indicates, the skier has a speed of 11.1 m/s at the highest point of the jump. Ignoring air resistance, determine the skier's height H above

    asked on November 1, 2008
  60. geometry

    The coordinates of the vertices of triangle CDE are C(1,4), D(3,6), and E(7,4). If the triangle is reflected over the line y=3, what are the coordinates of the image of D? I think (3,-6), but not real sure.

    asked on March 5, 2012
  61. geometry

    the endpoints of AB are A(9,4) and B(5,-4) the endpoints of its image after a dilation are A1(6,3) and B1(3,-3) explain how to find the scale factor. Is there someone that can help me with this problem and explain foe me?

    asked on March 7, 2012
  62. math

    Can someone please help with solving compound inequality. !.) 6x-410 2.) -2

    asked on August 26, 2012
  63. Physical Science

    Which of the following statements about ice melting is true? A. Energy flows from the ice to its surroundings. B. Water molecules move from their fixed position. C. Water molecules lose energy. D. The temperature of the ice increases as it melts. I think

    asked on August 27, 2013
  64. math

    help! 2005 2006 2007 2008 Plant 1 20 4 25 10 Plant 2 25 5 5 48 Plant 3 20 8 20 32 Plant 4 43 10 10 47 Plant 5 40 11 15 48 A gardener recorded how many tomatoes 5 plants produced each year. Which year had the LARGEST interquartile range of tomatoes

    asked on May 17, 2013
  65. Chemistry

    Consider the following reaction: 2NOCl(g) 2NO(g) + Cl2(g) Initially pure NOCl(g) is placed in a vessel at 2.96 atm. At equilibrium, 0.410% of the NOCl has decomposed. Determine the value for Kp.

    asked on October 8, 2017
  66. College Chemistry

    For the reaction that occurs in the voltaic cell Fe(s)|Fe2+(aq)||Cr3+(aq),Cr2+(aq)|Pt(s) use data from Appendix D in the textbook to answer the following questions: a)Determine the equation for the cell reaction b)Determine E0 cell c)Determine ΔG0

    asked on May 17, 2015
  67. language arts

    Identify the complete adjective clause. The car I drive has 50,000 miles on the odometer.

    asked on September 24, 2014
  68. Westside K - 8

    The sandbox has an area of 26 square feet in the length of five and a half feet what is the width of a sandbox?

    asked on October 8, 2015
  69. social studies

    Why is the Netherlands vulnerable to changes in climate? A. The Netherlands is against nuclear power. B. Forests in the Netherlands have been destroyed by acid rain. C. The Netherlands wrote the Kyoto Protocols. D. The Netherlands is low-lying country, and

    asked on May 9, 2019
  70. Physics 1

    A mass m1 = 4.9 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.7 kg which hangs freely from the string. When released, the hanging mass falls a distance d = 0.8 m.

    asked on April 5, 2013
  71. algebra 1

    An item costs c dollars and 6% sales tax is charged The total cost including sales tax is given by the expression 1.06c you are buying a skateboard that cost $75 what is the cost of the skateboard

    asked on August 23, 2010
  72. Statistics

    A box contains five red, three blue, and two white poker chips. Two are selected without replacement. For example, BR is a possible outcome representing the first is blue and the second is a red. BR and RB are different outcomes. a. list the sample space.

    asked on October 14, 2008
  73. Physics

    As a protest against the umpire’s calls, a base- ball pitcher throws a ball straight up into the air at a speed of 20 m/s. In the process, he moves his hand through a distance of 1.47 m. The acceleration of gravity is 9.8 m/s2 . If the ball has a mass of

    asked on November 4, 2015
  74. geometry

    An equilateral triangle has an altitude of 15m. What is the perimeter of the triangle. Could someone please explain how to find perimeter. I believe the answer to be 60 sq rt 3m

    asked on February 13, 2012
  75. Physics

    A box of mass m1 = 10.0 kg rests on a smooth, horizontal floor next to a box of mass m2 = 5.0kg. You push on the box 1 with a horizontal force of F = 31.8 N: a.)What net force on box 2 will cause it to have this acceleration? b.)What the force on box 1 on

    asked on February 20, 2011
  76. Physics

    The Navy wants a new airplane launcher for their aircraft carriers that is basically a large spring and your job is to determine the necessary spring constant. The launcher pushes the plane for a short distance along a much longer runway. During that same

    asked on March 26, 2013
  77. combustion

    A glass melting furnace is burning ethene in pure oxygen (not air). The furnace operates at an equivalence ratio of 0.9 and consumes 30 kmol/hr of ethene. Determine the energy input rate based on the LHV of the fuel in terms of kW. •Determine O2

    asked on January 30, 2013
  78. physics

    Calculate the power output of a 1.7g spider as it walks up a windowpane at 2.5cm/s . The spider walks on a path that is at 25 ∘ to the vertical.

    asked on October 10, 2014
  79. Statistics

    "A batch of 350 raffle tickets contains three winning tickets. You buy five tickets. What is the probability that you have (a) no winning tickets, (b) all of the winning tickets, (c) at least one winning ticket, and (d) at least one nonwinning ticket?" I

    asked on December 26, 2007
  80. math

    if you have a bag of chocolate candy, ten are red, 7 are brown, 12 are green, and 9 are blue, what is the probability of you picking a red candy given that you already picked a blue candy and have not replaced it?

    asked on May 16, 2013
  81. math

    An arch is in the form of a semi-ellipse, with its major axis as the span. If the span is 80 feet and the height is 30 feet write the standard equation.

    asked on March 24, 2010


    asked on June 9, 2008
  83. physics

    A barge with mass 1.0×105 kg is proceeding down river at 5.8 m/s in heavy fog when it collides broadside with a barge heading directly across the river (see the figure). The second barge has mass 2.58×105 kg and was moving at 4.2 m/s. Immediately after

    asked on November 6, 2009
  84. Physics

    As a traffic light turns green, a waiting car starts with a constant acceleration of 6.0 m/second squared. At the instant the car begins to accelerate, a truck with the constant velocity of 21 m/ second squared passes in the next lane. HINT:Set the 2

    asked on September 17, 2008
  85. algebra

    where would you graph 10/7 on a number l0/7 on a number line? i took 10/7 made it 1 3/10 and think youd graph between 1 and 2 on graph, but not sure.

    asked on August 23, 2012
  86. Math


    asked on April 17, 2019
  87. Chemistry


    asked on January 27, 2016
  88. math

    use properties of real numbers to rewrite the expression (3/5)(5/3).. dont understand.

    asked on August 23, 2012
  89. Physics

    A rifle is aimed horizontally at a target 52 m away. The bullet hits the target 2.2 cm below the aim point.

    asked on September 19, 2010
  90. Math

    where would you put the parentheses to make this true 124-6 x 0 + 15 = 34

    asked on October 19, 2011
  91. spelling

    I need the answer to this analogy broom : sweep :: brush : the word has to begin with scr, spr, str or thr

    asked on January 30, 2008
  92. Math Written Assignment

    He has decided to remove all the old sod (grass), bring in a new 4 inch layer of topsoil, install new in-ground sprinklers, and reseed the lawn. He seems to think that he'll be able to save money by hauling loads of topsoil from the store himself in his

    asked on March 4, 2017
  93. physics

    As part of a fundraiser, you want the new dean to bungee jump from a crane. The jump will be made from 44 m above a 2.5 m deep pool of Jello. A 30 m long bungee cord would be attached to the dean's ankle. You must convince the dean that your plan is safe

    asked on March 26, 2013
  94. Algebra

    The XYZ Car Rental Agency charges a flat rate of $29 per day plus $.32 per mile driven. Write an algebraic expression for the rental cost of a car for x days that is driven y miles.

    asked on September 14, 2011
  95. Fluid Mechanics

    A hot air balloon carries a load of 1000 N including its own weight. The balloon is 10 m in diameter. Estimate the average air temp of the air inside the balloon if the air outside is 20 is 20 deg C.

    asked on March 19, 2017
  96. Math

    6. A motorcycle purchased for $12,500 today will be valued 7% less each year. How much could you expect to receive for the motorcycle at the end of 4 years if you wanted to sell it

    asked on October 4, 2017
  97. Math

    A ship in calm seas steamed 13 km in one direction, turned and steamed 13 km in another direction, and then returned 12 km back to its original position. The captain then plotted the ship’s course on a nautical chart. She asked her first officer to look

    asked on March 22, 2011
  98. Math

    I need to know the square root of 196.

    asked on August 12, 2009
  99. Math

    Using h(t)=gt^2+v0t+h0, where g= -16, h0= initial height, v0= initial velocity, and t= time A rocket is fired into the air from the top of a building that is 200 feet tall. The initial velocity of the rocket is 600 feet/sec. If necessary, round answers to

    asked on April 14, 2012
  100. Algebra

    Slim Johnson was usually the best free-throw shooter on his basketball tam. Early in the season, however, he had made only 9 of 20 shots. By the end of the season, he had made all the additional shots he had taken, thereby ending with a season reacord of3

    asked on August 11, 2011


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