Posts by Marisa

Total # Posts: 75

  1. physics

    a 500g balance weight is transported to the surface of planet z where an objects weight is measured to be 5.00N. The radius of the planet is 5.0x10^5m. What is the mass of planet z?
  2. Algebra 1

    I need help with this problem. Write an equivalent equation by solving for y: 5x-6y=12
  3. Language Arts

    In the third wish the king of the forest claims that he has yet to hear of the human being who made any good use of his three wishes in a paragraph consider whether mr peters proves the king wrong do mr peters wishes bring him happiness does he put his wishes cite two or three...
  4. chemistry

    How many mole of CL2 are needed to react with 2.0 mole Na?
  5. chemistry

    How many mole of CL2 are needed to react with 2.0 mole Na?
  6. geometry

    The area of a circle is about 78.5 square meters. Which of these is the diameter of the circle?
  7. Math

  8. Chem 125

    Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 27.0 mL. The first bulb has a volume of 37.0 mL and contains 5.65 atm of argon, the second bulb has a volume of 250 mL and contains 2.16 atm of neon, and the third bulb has a volume ...
  9. Math

    How many times greater is a digit in the one millions place than the same digit in the ten thousands place
  10. statistics

    the verbal section of GRE exam for admission into graduate school has a mean of 456 (s=140). Assuming the scores are normally distributed what percent of students will score 600 or higher? (choose range that fits your answer)
  11. Earth Science

    If we were to increase atmospheric CO2 fivefold by the burning of fossil fuels, how much would the atmospheric oxygen concentration change relative to what it is today? Assume: (a) CO2 concentration today is 400 ppm, (b) the atmosphere today is made of 21% oxygen, and (c) the ...
  12. earth science

    The global ocean covers about 70% of the Earth’s surface. If all the ocean water was uniformly distributed over the whole surface, what would be its depth? Assume that the Earth is a perfect sphere, and the average ocean depth is 4 km.
  13. Physics

    Consider charges placed along an x-axis. If a charge of +17 nC is placed at x = 0.00 m and a charge of +32 nC is placed at x = 1.00 m, where would a third charge of -14.0 nC be in electrostatic equilibrium? Give the x-coordinate for your answer in meters and with three ...
  14. College Physics

    Consider charges placed along an x-axis. If a charge of +17 nC is placed at x = 0.00 m and a charge of +32 nC is placed at x = 1.00 m, where would a third charge of -14.0 nC be in electrostatic equilibrium? Give the x-coordinate for your answer in meters and with three ...
  15. math

    7x6 equals 42
  16. Science (Physics)

  17. Physics - Mini Lab

    The reason I didn't do this was because I was gone the day they did this at school. And the teacher said I couldn't do it at school. So I need help and my teacher is a jerk, so I have no idea what to do. Please help me. I really need a good grade in this class. Please...
  18. Physics

    Continue walking at a constant speed. Just after you release the ball upward, make a sharp right turn. Where does the ball land?
  19. Physics

    Continue walking at a constant speed. Just after you release the ball upward, break into a run. Where does the ball land?
  20. Physics

    Continue walking at a constant speed. This time, stop instantly just after you release the ball upward. Where does the ball land?
  21. Physics

    So what exactly are you saying. Can you please clarify what you just said please. Thanks Marisa.
  22. Physics

    Newton's first law of motion states that an object in motion will continue to move at constant speed in a straight line. Only an outside force can change the speed or direction. If the object is at rest, it will remain at rest, unless an outside force is exerted on it. ...
  23. pschology

  24. MATH

    A portable music player is on sale for 20% off its original price. The sale price is $96. What was the original price of the music player?
  25. Physics

    A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.880 m/s at an angle of 34.1° above the table, and it lands on the magazine 0.0790 s after leaving the table. Ignore air resistance. How thick is the magazine? ...
  26. Physics

    if a mouse has a mass of 62g, what is its weight?
  27. Physics

    1st Part We're looking for displacement which means V=displacement/time So it would look like this 5.2 m/s = displacement(unknown)/85 s Multiply both sides by 85 s to get rid of denominator so you end up with this 85 s x 5.2 m/s =442 m 2nd Part Finding position take the ...
  28. math

    one U.S. dollar is equivilant to $1.34 dollars Canadian dollars. Write an algebraic expression the number of US dollars you get for the N Canadian dollars
  29. science

    going 80 km/h how far can you travel in 30 minutes?
  30. Algebra

    2n-11=m/4 n=m/-3 Solve for the variables using substitution
  31. Science

    1.Why are there sutures on the human skull? What does this tell you about the actual structure of the skull?
  32. Math

    Do 6×10 and your prouduct will be 60, so in my conclusions, I think my answer is 60.
  33. Geometry

    A regular hexagon is circumscribed about the ring surrounding the clock face. The diameter of the ring is 10in. Find the perimeter if the clock face. Please included work/steps to solve. Thanks!
  34. Math

    Z = 21. Mike's mistakes would be he didn't divide correctly.
  35. Pre-Calc

    Write a Sinusoidal function for the following. A ferris wheel is 100 feet in diameter and makes one revolution in 45 seconds. If the rider needs to walk up a ramp to get to their seat that is 5 feet above the ground, write the model for the rider.
  36. Social Studies (ATHENS VS SPARTA)

    well by fighting
  37. algebra

    Maria has 16 shirts and 3/8th of them  are red so how many shirts are red.?
  38. Math

    Flip a fair coin 9 times. Find the probability of getting the following outcome. (Round your answer to six decimal places.) at least 5 heads
  39. AP chem

    I don't understand how you got to 83.8%??
  40. math

  41. 4th math

    The answer is 24. Can you even count, if you dont, then go back to Pre-K. LoL
  42. Chemistry

    Methane is formed in landfills by the action of certain bacteria on buried organic matter. If a sample of methane collected from a landfill has a volume of 500. mL at 744. torr and 22. °C, how many grams of methane are in the sample?
  43. scienc

    what does the statment"the properties of salt are diffrent from the properts of the elements that go into making them"mean? i don't get what they are asking.
  44. Math

  45. Math

    how many out of 80 people
  46. 3 Grade

  47. 5th gread

    why is breakfeast the most important meal of the day?
  48. us history

    thank you,what is maize????
  49. us history

    what foods where in the new world before the columbian exchange?
  50. 3rd grade

    62 tens and 4 ones
  51. math gr.6

    How do I show the work?
  52. math

    For the pair of sets, explain if it is a subset of the other. A - B and A - (B - C)
  53. reading

    Can you give me ansewers to sentence check chapter5 final check the name of it is night nurse
  54. LIT 210

    Which author do you think most effectively utilized dramatic literary devices and conventions—Sophocles or Lorraine Hansberry? Explain your answer.
  55. Geometry

    What is the radius if the area of the circle is: 4x^2(PI) My answer 4x^2(pi)=(pi)(r)(2), 16x(pi)=(pi)(r)(2), 16x/pi=5x. 5(PI) My answer 5(pi)=(pi)(r)(2), sqare root of 5 is 2.23, which rounds to 3, 3(pi)=square root of 9. What is the area of the sector if the radius is 6 and ...
  56. spanish

    if you know when a program, what are you doing. i'm a spainsh expert :D kinda :D
  57. 11th grade

    how do you solve a dilution problem, this is chemistry
  58. math

    The demand for your college newspaper is 2200 copies each week if the paper is given away free of charge and drops to 1000 each week if the charge is 10/copy. However, the university is only prepared to supply 600 copies each week free of charge but will supply 1400 each week ...
  59. 7th science

    what are the differences between multiple alleles and polygenic inheritance???
  60. 7th grade science

    Gregor Mendel was considered as the father of genetics because he was the first one to understand how DNA worked. Mendel was famous for working with pea plants. He breeded different kinds of pea plants to get certain kinds of colors of peas. Just like artists it took him to ...
  61. 7th grade science

    Answer: heterozygus EXTRA: if it was TT it would be homozygous dominant. if it was tt it would be homozygous recesive
  62. geography

    how does floridas physical and cultural geography effect the way people live and work
  63. math

  64. work (physics)

    a 25 kg object is accelerating from rest to a distance of 6 m in 4 seconds across a level floor. The friction is 3.8 N - what is the total work........ i started off by trying to find fa but it seems to give me an absurd answer.. maybe if u could help me by telling me the ...
  65. chemistry

    a heat lamp produces
  66. algebra

    okay so my question is 8-x/3=-10 i now that you would substract -8 from both sides but what do you do then
  67. Algebra

    the answer would be 15 becuase when you divide 45 by 3 you would get 15
  68. Math(is this correct?)

    yes it is
  69. 8th grade math

    uhmm i think you would subtract 4 from both sides so that would just leave you with 3x 3x+4=193 -4 -4 3x= 189 then you would divide 3 from both sides which leaves you with 63 x=63 =] oh and make surewhen you do these promblems you go back and check it
  70. sparta&athens

    they both do hard advating
  71. American Government

    The Magna Carta!!! HELP ME PLEASE? How does this relate to today standards and help the Republican side view point? What is this saying????? From the magna Carta. 12. No `scutage' or `aid' may be levied in our kingdom without its general consent, unless it is for the ...
  72. math

    fatorise: a)x^2-5x b)x^2-81
  73. Physics

    A 74 kg skier is pulled 50 meters up a 30 degree incline. How much work is required to pull the skier up?
  74. algebra

    You first need to distribute the (-5) and the (2) on both sides of the equation. Then combine like terms, the (x)s and the numbers. Isolate the variable (x) onto one side. Solve for x
  75. Analogies (just one)-- please help

    Whirlwind is to breeze as downpour is to.?