Popular questions and responses by Mario
  1. language arts

    how many syllables are in each line of the poem “silkweed” by philip henry savage? a. 4 b. 6 c. 8 d. 10

    asked on March 6, 2018
  2. Physics

    Mario, a hockey player, is skating due south at a speed of 6.6 m/s relative to the ice. A teammate passes the puck to him. The puck has a speed of 12.9 m/s and is moving in a direction of 23° west of south, relative to the ice. What are the magnitude and

    asked on October 9, 2013
  3. chemistry

    Upon heating 125g MgSO4 • 7 H2O: a) how many grams of water can be obtained?

    asked on May 13, 2014
  4. Physics

    A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0 m, 4.4 m) while a constant force acts on it. The force has magnitude 2.3 N and is directed at a counterclockwise angle of 100°

    asked on October 1, 2009
  5. Physics

    A student wants to determine the coefficients of static friction and kinetic friction between a box and a plank. She places the box on the plank and gradually raises one end of the plank. When the angle of inclination with the horizontal reaches 30°, the

    asked on October 1, 2009
  6. Physics

    A 290 g block is dropped onto a relaxed vertical spring that has a spring constant of k = 2.6 N/cm. The block becomes attached to the spring and compresses the spring 10 cm before momentarily stopping. (a) While the spring is being compressed, what work is

    asked on October 5, 2009
  7. college chem

    125g MgSO4 • 7 H2O how many grams of anhydrous compound can be obtained

    asked on May 13, 2014
  8. Social Studies

    Can someone help me proofread this? Industrial Inventors The Industrial Revolution began in England in the 18th century and ended in the 19th century. It began in England and then spread throughout the world. There were many changes in agriculture, trade

    asked on November 9, 2012
  9. science

    A 1200 kg sports car accelerates from 0 to 60.0 mph (27.0 m/s) in 5.20 seconds. What is the average power developed in watts? In kilowatts?

    asked on January 24, 2018
  10. Math

    What property is shown in the equation below? 6x0=0 a)zero property of multiplication b)inverse property of multiplication c)identity property of multiplication d)commutative property of multiplication

    asked on April 1, 2014
  11. Chemistry

    Which of the following systems would be considered to be at equilibrium: I. an open flask with 2.0 mL of perfume II. a closed flask with 10 mL of water III. an open flask with 10 mL of water IV. a closed flask with an ice cube and 10 mL of water a. I d. b.

    asked on March 12, 2010
  12. chemistry

    A piston is used to compress a gas from 1.0 atm to 3.5 atm. If ther volume changes from 1.5L to 0.75L, what is the final temperature, if it started at 300k? 1050K 700K 525K 300K

    asked on November 25, 2011
  13. Chemistry

    How many grams of oxygen can be produced from 165 grams of Na3PO4?

    asked on December 8, 2018
  14. Math

    You have been given a recipe for a completely new fruit drink. The recipe has three parts. Here is the recipe: Fruit drink recipe: 2 parts pineapple juice, 3 parts cranberry juice; 5 parts lemon juice The mixers need to make 1 quart (4 cups) of juice for

    asked on August 26, 2015
  15. Math

    The ratio of weekend days to weekdays is 2 to 5. What fraction of the week consists of weekend days?

    asked on November 9, 2016
  16. math

    Mario walks his dog once every 8 days in the park. Todd walks his dog once every 14 days. today, both Mario and Todd walked their dogs in the park. In how many more days will both boys walk their dogs in the park on the same day?

    asked on September 8, 2014
  17. Physics

    The efficiency of a machine is 80% calculate the work done by a person using the machine to raise a load of 300kg through a height of 4m (take g=10/s2)

    asked on January 23, 2020
  18. Math

    I’m hotel clerk counts his one dollar bills and $10 bills at the end of the day he finds that he has a total of 59 bills having a combined monetary value of $185 find the number of bills and each denomination that he has

    asked on October 3, 2019
  19. Math

    Mr. Thomas bought a bed for $1548 and three armchairs the bed cost four times as much as one armchair how much did Mr. Thomas spend altogether

    asked on December 7, 2019
  20. physics

    A car is traveling at 20.8 m/s when the driver sees a dog run out into the street. From the time the driver applies the brakes, it takes 3.58 s for the car to come to a stop. What is the average acceleration during that period?

    asked on September 17, 2014
  21. Advance PC Applications

    Need help on Microsoft Access Graded Project 2013

    asked on March 31, 2014
  22. math

    Nathaniel want to buy a new bike. His payment options are: Option 1: Pay $2055.99 cash. He only has $400.00 saved up, so he can take out a loan for the rest from his bank at a rate of 7.25% per annum over 2 years. Option2: Take the store payment plan of 12

    asked on May 13, 2014
  23. math

    suppose you use the rule (3x+1,3y-4) to transform the original figure into a new figure. How would the angles of the new figure compare with the angles of the original? Please, I need help ASAP

    asked on January 16, 2012
  24. Chemistry

    Although I do very well in chemistry I never really understood converting units. Perform each of the following conversions. A. 8.43cm to millimeters B. 2.41x10^2cm to meters C. 294.5nm to cm D. 1.445x10^4m to kilometers E. 235.3m to millimeters F. 903.3nm

    asked on July 14, 2014
  25. science

    Surface tension in water is due to __ ?

    asked on December 18, 2019
  26. us history

    connections between nations, whether political or economics, encourages

    asked on October 26, 2017
  27. biology 1

    what kind of elecrtical charge is found on the oxygen atom of a polar water molecule

    asked on October 28, 2011
  28. Physics

    A hollow sphere of radius 0.30 m, with rotational inertia I = 0.080 kg m2 about a line through its center of mass, rolls without slipping up a surface inclined at 19° to the horizontal. At a certain initial position, the sphere's total kinetic energy is

    asked on October 21, 2009
  29. math

    drama club sold adult tickets for $8 and kid tickets for $5. for the final performance a total of 226 tickets were sold for a total of $1670. how many adult tickets were sold for the performance? X = # of adult tickets Y = # of kid tickets X + Y = 226 8X +

    asked on March 28, 2007
  30. math

    owen is 147.3 cm tall. what is owen's height as a mixed number. what is owen's height as an improper fraction.

    asked on September 12, 2012
  31. Science

    What is the term for the number of times a wave passes a point in given amount of time

    asked on September 27, 2009
  32. english

    what is the plural form of turkey. i think it is turkie am i right can somebody help me If you look up the word in a hard copy dictionary (as I did), you would find that the plural is turkeys. Looking it up yourself will get you similar answers more

    asked on July 25, 2007
  33. physics

    A 0.75 kg mass of copper changes temperature from 145.0 C to 46.0 C. How much heat was exchanged in Joules? Did the heat flow into the copper or out of the copper?

    asked on January 26, 2012
  34. physics

    Which of the following ; if either, produces the larger change in kinetic energy; a force of 6 newtons acting through a distance of 3 meters or a force of 3 newtons acting through a distance of 6 meters.

    asked on February 16, 2016
  35. math

    a bag contains 6 red checkers and 4 black checkers.joani will select 2 checkers and wants hey probability of success to be 1/3.which outcomes would give that probability?

    asked on March 25, 2018
  36. Algebra

    where is the following expression in undefined?? (x+1)(x-2)/x^2-25

    asked on May 16, 2016
  37. math

    if venom A is three times as potent as venom B and venom C is 2.2 times as potent B. How much more potent is venom C compared to venom A?

    asked on March 11, 2014
  38. Algebra 2

    How do you solve this problem: if f(x)=-x^2+2x-5, find f(-2)

    asked on January 10, 2010
  39. Government Studies

    How long do you need to train to join the military (minimum)? I'm not talking about West Point or prestigious schools, just basic training needed for combat. thanks

    asked on April 9, 2009
  40. novel

    In The Call of the Wild, the bond between Buck and Thornton is best explained by observing that

    asked on December 10, 2008
  41. math

    1000 tickets for prizes are sold for $2 each. Seven prizes will be awarded – one for $400, one for $200, and five for $50. Steven purchases one of the tickets. a) Find the expected value b) Find the fair price of the ticket. The expected value= 950/2000

    asked on March 25, 2007
  42. trigonometry

    In triangle xyz,sin x=5/13. Find the tan x?

    asked on May 19, 2011
  43. math

    how much border do I need for a rectangular room that is 10 feet by 15 feet to cover the entire room?

    asked on January 6, 2017
  44. Math

    on a field trip, 3 school buses were used to transport children. each school bus carried 64 children. how many children rode a bus on the field trip?

    asked on December 1, 2016
  45. chemistry

    How much heat is needed to raise the temperature of 75 grams of copper from 35„aC to 57„aC? The specific heat of copper is 0.385 J/g „aC.

    asked on December 7, 2011
  46. Maths

    Hi, I have a formula for modelling the variation in population density in terms of distance from a town centre; y= -3x^2 +6x+9 where y represents the population density (in thousands per km^2) and x represents the distance (in km) from the town centre I

    asked on July 6, 2010
  47. Algebra

    Could someone tell me why x = 0 and also x = 3 in the following equation? x^2-3x = 0 Thanks

    asked on May 18, 2010
  48. Algebra

    For the exponential function ex and logarithmic function log x, graphically show the effect if x is doubled. I am having trouble figuring out my points to plot on the graph.

    asked on February 16, 2009
  49. math

    I need help for my homework

    asked on October 3, 2016
  50. english

    the guide words at the top of the two dictionary pages are exploratory and exuberant which word would not be found between these guide words a-express b-external c-extrude d-exactly Which word do you think does not come between expl- and exub? If you post

    asked on July 24, 2007
  51. math

    which value for x makes the equation true x-6=3(x-5/2)+1

    asked on March 25, 2018
  52. chemistry

    How many moles of O2 are contained in 5025 L at 26 degrees Celsius and 1.2 atm

    asked on April 29, 2014
  53. math

    if four out of every seven individuals in a population of armadillos carry a gene for a defective enzyme, how many individuals carry the normal gene in a population of 869 armadillos?

    asked on March 11, 2014
  54. chemistry

    How much heat is needed to raise the temperature of 75 grams of copper from 35„aC to 57„aC? The specific heat of copper is 0.385 J/g „aC.

    asked on December 7, 2011
  55. English

    Can some check my personal narrative and give a grade from 1-5? Mario Garcia 10-10-11 Period.3 The Lost Dog I didn’t feel like helping my sister wash my dad’s car. After our dog left this morning we were both sad, we didn’t feel like doing anything

    asked on October 10, 2011
  56. English

    what is the rhetorical strategy used in this parapgraph and what is the effect/function. Please quote the sentence of where the rhetorical strategy is used. Paragraph: If a Mongolian restaurant seems exotic to us in Evanston, Ill., it only follows that a

    asked on September 25, 2011
  57. Business

    Is it possible to buy stock without going through a stock exchange?

    asked on September 16, 2008
  58. Sociology

    What is cyberspace interaction? How does it differ from face-to-face interaction?

    asked on June 10, 2008
  59. Math

    how do you find the cirumference and area of a circle if the radius is 4.5?

    asked on February 11, 2008
  60. english

    can some 1 help me find a good site about contractions this crap is hard Check this site. Mario... this is an excellent site on English grammar contractions.

    asked on July 26, 2007
  61. math

    slove for y y-(-3)=(x-(-3)) Get rid of the () y+3=x+3 subtract three from each side. y=x

    asked on May 21, 2007
  62. Foreighn Languages

    What Language should I learn? Mandarin or French?

    asked on October 3, 2011
  63. English

    Can some help me with a topic to write a personal narrative?

    asked on October 3, 2011
  64. Math and science

    If a circuit has a 3.9 k ohms resistor and a 5 uF capacitor, find the current flow in the circuit at 0.005 seconds, if the maximum current flow in the circuit is 1.5 mA.

    asked on November 1, 2010
  65. 4th grade

    what is another way of naming 541,000

    asked on October 7, 2009
  66. MATH

    how do you factor x^6+512?

    asked on September 13, 2009
  67. Busines

    What happens to your stock when a company goes out of business? ---You just lose out on the entire investment?

    asked on September 16, 2008
  68. word histories

    which would measure more water,a "bath" or a "gallon" see the section on capacities:

    asked on July 18, 2007
  69. Math

    How does RJ eat more than Jack when RJ ate 5/5 and Jack ate 9/10? Explain.

    asked on January 31, 2017
  70. math

    What is the perimeter of a rectangle that has a area of 35 in to the square root of 2

    asked on October 15, 2014
  71. algebra

    The sample size needed to estimate the difference between two population proportions to within a margin of error E with a confidence level of 1- alpha can be found by using the equation shown below. Replace n1 and n2 by n and solve for n. E= z alpha/2

    asked on October 30, 2013
  72. mat

    To fill square that was 2 feet by 2 feet .what was the area of concrete poured?

    asked on February 7, 2013
  73. Algerbra

    3(y-3)=(x+6)squared how do you find the vertex and foci,directrix

    asked on April 18, 2011
  74. Math and science

    If a circuit has a 3.9 k omega resistor and a 5 uF capacitor, find the current flow in the circuit at 0.005 seconds, if the maximum current flow in the circuit is 1.5 mA.

    asked on November 1, 2010
  75. Algebra

    A cell divides into two identical copies every 4 minutes. How many cells will exist after 5 hours? I know the answer is 2^75=3.77789x10^22 but I am unsure how 2^75 turns into 3.77789x10^22. Any help would be greatly appreciated.

    asked on February 14, 2009
  76. Algebra

    The level of thorium in a sample decreases by a factor of one-half every 2 million years. A meteorite is discovered to have only 8.6% of its original thorium remaining. How old is the meteorite?

    asked on February 11, 2009
  77. Math

    how do u find the area and circumference of a circle if the radius is 2.5 ?

    asked on February 12, 2008
  78. Math

    what value is equivalent to -1/4?

    asked on April 1, 2014
  79. 7th grade

    wat its prime number

    asked on October 14, 2010
  80. Math

    what is the full number of pie?

    asked on March 10, 2009
  81. goverment

    when was the decleration of indinpendince sign plllzzz help

    asked on October 13, 2009
  82. 4th grade

    what is another way of naming 541,000

    asked on October 7, 2009
  83. history

    who was the 3 priesident of th u.s

    asked on January 20, 2009
  1. statistics

    How do you get 1.96

    posted on November 7, 2019
  2. math

    My 2nd grader a 7yr old and I did these tonight and this was probably the weirdest homework he's ever brought home. Had to look online to try to explain it to him but hard when even I couldn't figure it out at 1st.

    posted on August 22, 2019
  3. Math

    B 12,24,36,48

    posted on July 23, 2019
  4. algebra

    Carl wheezer what’s the answer ? Please :(

    posted on May 15, 2019
  5. Sixth Grade Math

    Uhh, I don't have it.

    posted on February 22, 2019
  6. math

    your dad

    posted on December 14, 2018
  7. physics

    lol u put 12m/s instead of 22m/s

    posted on October 3, 2018
  8. Social Studies

    jeffy stoppit!

    posted on April 30, 2018
  9. language arts

    so is it c?

    posted on March 6, 2018
  10. physics

    The distance across four waves is 75 cm, therefore, λ = 18.75 cm Δd = 25 cm Δt = 3.0 s f =? v = Δd Δt = 25 cm 3.0 s = 8.333 cm/s v = fλ f = v λ = 8.333 cm/s 18.75 cm = 0.4444 s−1 = 0.4444 Hz

    posted on October 18, 2017
  11. Math

    Why wouldn't x=4

    posted on September 10, 2017
  12. physics

    Bless! Thank you.

    posted on January 17, 2017
  13. math

    need help in math at my house

    posted on October 3, 2016
  14. physics


    posted on September 29, 2016
  15. physics

    A speeder passes a parked police car at a constant speed of 150 m/s. At that instant, the police car starts from rest with a uniform acceleration of 10 m/s 2 . How much time passes before the speeder is overtaken by the police car? Answer in units of s

    posted on September 18, 2014
  16. math

    27 square feet

    posted on May 31, 2014
  17. poetry

    not a damn thing

    posted on April 14, 2014