grant

Popular questions and responses by grant
  1. Physics, Help!! URGENT!!!

    A sprinter must average 24.0 mi/h to win a 100-m dash in 9.30 s. What is his wavelength at this speed if his mass is 84.5 kg?

    asked on October 5, 2014
  2. Calculus 1

    You have 4L feet of fence to make a rectangular vegetable garden alongside the wall of your house, where L is a positive constant. The wall of the house bounds one side of the vegetable garden. What is the largest possible area for the vegetable garden?

    asked on November 1, 2015
  3. Math

    1. 2(y + 1) for y = 2 (1 point) 6 5 7 8 2. start fraction lower d plus lower g over lower h end fraction for d = 29, g = 16, and h = 9 (1 point) 8 2.375 5.375 5 3. The cost in dollars of a school banquet is 74 + 12n, where n is the number of people

    asked on November 21, 2017
  4. math

    WHAT IS THE ANSWER TO THIS PROBLEM? (WRITE TWO DIFFERENT NUMBERS WHEN ROUNDED TO THE NEAREST TENTH EQUALS 18.3

    asked on September 26, 2012
  5. Calculus

    The acceleration due to gravity near the surface of Mars is 3.72ms^-2 . A rock is thrown straight up from the surface with an initial velocity of 23ms^-2 . How high does it go?

    asked on May 13, 2013
  6. Chemistry

    2 SO2 (g) + O2 (g) → 2 SO3­↑ Assuming STP, how many grams of oxygen are needed to produce 19.8 liters of SO3?

    asked on February 10, 2014
  7. chem

    A student mixes 5 mL of 2.00 x 10^-3 M Fe(NO3)3 with 5 mL 2.00 x 10 ^-3 M KSCN. They find that in the equilibrium mixture concentration of FeSCN^2+ is 1.40 x 10^-4 M. Find each of the following: the initial concentration in solution for Fe^3+ and SCN, the

    asked on October 14, 2015
  8. Calculus 1

    A family wants to fence a rectangular play area alongside the wall of their house. The wall of their house bounds one side of the play area. If they want the play area to be exactly 1600ft^2, what is the least amount of fencing needed to make this? Round

    asked on November 1, 2015
  9. Math

    The science club sold 24 T-shirts last week and 18 T-shirts this week. What is the percentage of decrease in the number of T-shirts sold? A: 33% B: 25% C: 50% D: 75% How do you do this?

    asked on February 3, 2016
  10. math

    A ladder 10 m long rests on horizontal ground and leans against a vertical wall. The foot of the ladder is pulled away from the wall at 2 m/s. How fast is the top sliding down the wall when the foot of the ladder is 6m from the wall?

    asked on May 3, 2013
  11. Chemistry

    What is [Al(H2 O)5(OH)2+] in a 0.15-M solution of Al(NO3)3 that contains enough of the strong acid HNO3 to bring [H3O+] to 0.10 M?

    asked on January 18, 2018
  12. Calc 1

    A farmer with 700 ft of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle. What is the largest possible total area of the four pens?

    asked on February 24, 2012
  13. Calculus

    A cone is inscribed in a sphere of radius a, centred at the origin. The height of the cone is x and the radius of the base of the cone is r, as shown in the diagram opposite. Find the height, x, for which the volume of the cone is a maximum. (HINT: show

    asked on May 6, 2013
  14. chemistry

    how many grams of chromium are required to react with 125 mL of 0.75M CuSO4?

    asked on December 16, 2013
  15. chemistry

    Nitrogen (N2) and hydrogen (H2) react to form ammonia (NH3). Consider a mixture of six nitrogen molecules and six hydrogen molecules in a closed container. Assuming the reaction goes to completion, what will the final product mixture be? number of NH3

    asked on September 9, 2009
  16. Physics

    A force of 23.0 N is required to start a 3.1 kg box moving across a horizontal concrete floor. (a) What is the coefficient of static friction between the box and the floor? (b) If the 23.0 N force continues, the box accelerates at 0.50 m/s2. What is the

    asked on October 30, 2008
  17. Chemistry

    Chloroform CHCl is an important solvent. It is produced by a reaction between methane and chlorine. How many g CH4 are needed to produce 50.0g CH4 +Cl3+ CH_4 + 3Cl_2 ->CHCl_3 + 3HCl}

    asked on February 10, 2014
  18. World History

    Why were Central American civilizations more developed than North or South America?

    asked on October 9, 2019
  19. Math

    A circle has the circumference 28.26cm. What is the area of the circle? use PI as 3.14. i am confused in how to even solve with the circumference to get the area. Please help

    asked on January 21, 2015
  20. Algebra, HELP IM CLUELESS

    Eureka is 16 years younger than Renton. In 3 years Renton will be twice as old as Eureka. How old are they now? Eureka's Age: Renton's Age:

    asked on September 7, 2013
  21. physics

    A cement block accidentally falls from rest from the ledge of a 52.0 -m-high building. When the block is 11.5 m above the ground, a man, 1.80 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to

    asked on September 6, 2012
  22. chemistry

    What volume (in mL)of 0.0550 M calcium hydroxide is required to neutralize 38.00 mL of 0.0700 M nitric acid?

    asked on September 30, 2009
  23. chemistry

    Bornite (Cu3FeS3) is a copper ore used in the production of copper. When heated, the following reaction occurs. 2 Cu3FeS3(s) + 7 O2(g) 6 Cu(s) + 2 FeO(s) + 6 SO2(g) If 3.88 metric tons of bornite is reacted with excess O2 and the process has an 75.6% yield

    asked on September 9, 2009
  24. math

    There are 5 numbers in a set of data. There are no repeated numbers. Which measure of data must represent a number in the set that is greater than 2 of the numbers in the set and less than 2 of the numbers? A. Median B. Mean C. Mode D. Range Can someone

    asked on April 9, 2015
  25. Career Question

    Hi everyone, I've got a career-related question. A few weeks ago, our class took a "Career Cruising" quiz, which is meant to help students explore career options that correspond to their interests and talents. Based on my quiz answers, my homeroom teacher

    asked on March 8, 2007
  26. science

    What is phmpoc?

    asked on August 19, 2008
  27. USG

    federal district judges generally represent the values and attitudes of the states that they serve. how can a president assure that an appointee meets this criterion?

    asked on February 16, 2017
  28. Physics

    The displacement, force, velocity, and acceleration vectors’ components are given. Calculate the magnitude and direction of each vector. (a) x = +15.0 cm, y = -12.3 cm. I am completely lost.

    asked on June 4, 2014
  29. Calculus

    The marginal cost for a product is given by dC/dq = 1000/sqrt3q+20, in hundreds of dollars, where q is given in thousands of units. Determine the cost in dollars involved in increasing product from 10 to 15 thousand units. If R(0)= C(0)= 0, the marginal

    asked on May 13, 2013
  30. math

    Farmer Brown planted corn and wheat on his 450 acres of land. The cost of planting and harvesting corn is $280.00 per acre. The cost of planting and harvesting wheat is $125.00 per acre. If Farmer Brown's total cost was $102,750, how many acres of corn did

    asked on May 17, 2016
  31. Science

    A drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of "40cm2". Assume that the oil film has a uniform thickness equal to the diameter of a oil molecule. Calculate the

    asked on March 6, 2007
  32. Physics

    A 54.0-g Super Ball traveling at 29.0 m/s bounces off a brick wall and rebounds at 18.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 4.00 ms, what is the magnitude of the average acceleration of the ball during

    asked on September 2, 2014
  33. chemistry

    How do you properly solve _ Ag + _ Cu(Nu3)2 ---> _ AgNo3 + _ Cu

    asked on December 17, 2011
  34. Chemistry

    Kirsten is in her lab, and reacts two unknown gases (A(g) and B(g)) to get nitrogen dioxide (NO2). Using her data, she is able to write the following balanced equation: 2A(g) + B(g) --> 2NO2(g) If she started with 8 L of A(g) and 3 L of B(g), how many

    asked on December 2, 2007
  35. math

    The table shows the depth (d metres) of water in a harbour at certain times (t hours) after midnight on a particular day. Time t (hours) Depth d (m) 0 3.0 1 3.3 2 4.2 3 5.6 4 7.2 5 8.2 6 9.0 7 8.9 8 8.1 9 7.3 10 5.6 11 4.3 12 3.5 13 3.1 Use the regression

    asked on May 12, 2007
  36. Physics

    Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Generally, an acceleration less than 800 m/s2 lasting for any length of time will not cause injury, whereas an acceleration greater than 1000 m/s2 lasting

    asked on September 2, 2014
  37. math-word probblem

    Case Eastern Junior College awarded 26 varsity letters in crew, 15 in swimming, and 16 in soccer. If awards went to 46 students and only 2 lettered in all sports, how many students lettered in two of the three sports? is the answe 13 lettered

    asked on August 9, 2009
  38. calculus

    The marginal cost for a product is given by dC/dq = 1000/sqrt3q+20, in hundreds of dollars, where q is given in thousands of units. Determine the cost in dollars involved in increasing product from 10 to 15 thousand units. If R(0)= C(0)= 0, the marginal

    asked on May 14, 2013
  39. Calculus

    Use Newton’s method to approximate the root of x^2 + 4x + 2 = 0 between x = -4 and x = -3 .

    asked on May 3, 2013
  40. math help

    Posted by grant on Saturday, May 12, 2007 at 9:20am. The table shows the depth (d metres) of water in a harbour at certain times (t hours) after midnight on a particular day. time t (hours) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 and the in the next column

    asked on May 12, 2007
  41. Calculus

    Fuel is flowing into a storage tank which can be filled to a depth of 6 metres. When the fuel started flowing the tank was already filled to a depth of 2.5m. If the rate at which the depth of fuel in the tank is increasing, in metres per hour is given by

    asked on May 14, 2013
  42. Calculus

    Given the function f (x) = 3cos x for the interval 0 < x < 2 sketch the graph of the function

    asked on May 3, 2013
  43. social studies

    Please help! this is my worst subject! How did land-owning companies take advantage of the Homestead Act?

    asked on December 9, 2012
  44. math

    which 3 are correct a) if x= -10^4 then log10 x = -4 b)if x= 2^8 then log 2x = 8 c) log2 2= 4 d) if x= 3 then log10 3=x e) log 10 256-2log 10 16=0 f)log 10 (a-b)= log 10 a/log 10 b g) the gradient of the graph of y= 2e^x at x= 2 is 2e^2 h) the gradient of

    asked on May 12, 2007
  45. Math

    I need to get which property of multi-plication this person did. the problem is 2(3.45+5.7)=.402 but I got 18.3. HOW?!??!?! I did my math I did every property I could think of/

    asked on March 1, 2017
  46. math

    The table shows the depth (d metres) of water in a harbour at certain times (t hours) after midnight on a particular day. time t (hours) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 and the in the next column corresponding to the figures above is depth d (m) 3.0 3.3

    asked on May 12, 2007
  47. Fluid Mechanics

    I am trying to work a problem to find flowrate, and a time to reach equilibrium. It sets up like this: I have a tank with a volume of 400 cubic feet full of compressed air at 50psi. The tank has an 8" schedule 40 carbon steel pipe coming off of it with a

    asked on March 1, 2016
  48. Math

    A truck carries cartons packed with boxes. The boxes were 22 inches long on each edge. If 4 boxes completely fill the carton, what is the volume of carton in cubic feet?

    asked on April 15, 2015
  49. science

    What are the measurable causes of weather and how does it impact our world?

    asked on December 29, 2013
  50. science

    how many milliliters of 5.5M H2so4 must you use to prepare 500ml of 0.2M sulfuric acid solution? Please hurry!!!!!!

    asked on December 14, 2012
  51. statistics

    How do you calculate the slope and intercept of a regression?

    asked on May 22, 2012
  52. physics

    suppose a plane drops water from 1024 feet. how many seconds will it take for the water to hit the ground?

    asked on October 19, 2011
  53. algebra

    megan paid 1.50 each for programs to the game. she sold all but 20 of her programs for 4.00 each. even factoring in the money she lost for not selling all the programs, she still made a profit of 45.00. how many programs did megan buy in the first place?

    asked on October 21, 2010
  54. Calculus

    Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=0, y=x(3-x) about the axis x = 0

    asked on August 2, 2010
  55. chemistry

    if 5g of CH3COOH reacts how many moles of CO2 will be produced?

    asked on February 16, 2010
  56. math

    -2x + 4(2x - 9)

    asked on September 26, 2007
  57. Quantum Physics

    Each element has a different set of energy levels. Use this fact to "explain" whay the colour of the light emitted by an element in the gaseous state is characteristic of the element. When an electron falls from one of the higher energy levels to a lower

    asked on March 6, 2007
  58. calculus

    For the function f(x) = 3x2 − 5x − 7. Find the rate of change of f(x) at x = 3

    asked on May 20, 2013
  59. Calculus

    Fuel is flowing into a storage tank which can be filled to a depth of 6 metres. When the fuel started flowing the tank was already filled to a depth of 2.5m. If the rate at which the depth of fuel in the tank is increasing, in metres per hour is given by

    asked on May 13, 2013
  60. Calculus

    Given f(x)=1+2cos x , find the area under the curve y=f(x) between x = pi/2 and 2pi/3.

    asked on May 13, 2013
  61. Calculus

    A function is implicitly defined by x^2 - 4y^2 = 9 Find the equation of the tangent to the function at x = 1

    asked on May 6, 2013
  62. calculus

    Given the function f (x) = 3cos x for the interval 0 < x < 2pi, determine the concavity of the function, between the critical values

    asked on May 3, 2013
  63. Science

    If your house is heated by a furnace that blows hot air into the rooms, you are depending on the process of ______ to stay warm. Choices are: convection, radiation,conduction, heat

    asked on October 2, 2007
  64. Algebra

    Using the equation, y=-2/3x-2, find the equation of the line that is parallel and has the ordered pair (3,3). Write the answer in standard form.

    asked on March 5, 2016
  65. calculus

    If sec x = -3, 0 < x < pi, find cot x.

    asked on December 4, 2014
  66. chemistry

    What volume (in mL) of the base will react completely with 30.00 mL of 0.550 M HCl? 0.0500 M Ba(OH)2

    asked on September 30, 2009
  67. Chemistry

    I'm not doing so well in ap chemistry. i think i'm not studying the right way. can anyone suggest how i can raise my grade? i do my homework but it doesn't seem to help.

    asked on October 14, 2007
  68. math

    A board is 84 cm long. How many meters long is this board?

    asked on June 10, 2014
  69. Bio

    What role does DNA play in helicase?

    asked on January 26, 2011
  70. PRECALC

    A drug is administered every 6 hours. The kidneys eliminate 55% of the drug over that period. The initial dose is 210 mg. Repeated dosage is 70 mg What is the “Difference equation”? Find the first seven terms of the of the solution sequence. Round to

    asked on May 18, 2016
  71. Mathematics

    Solve for x: (385)^2 - x^2 = (760.35)^2 - (637.4 - x)^2

    asked on April 29, 2015
  72. Integrals

    Evaluate the integral of ∫(2x^2 −3)^2 dx

    asked on May 20, 2013
  73. math

    What is the scientific notation for 15 x 10 to the 5th?

    asked on February 26, 2012
  74. science

    what nutrient works as a muscle builder and body repair worker

    asked on October 18, 2011
  75. maths

    How far does a train travel going at 20mph for 45 seconds? And har far will it travel at 13mph for 58 seconds? Thanks

    asked on September 23, 2007
  76. Math: Checkboard Squares

    In the formula how do you know to divide by six?

    asked on October 30, 2006
  77. math

    how do i solve y less than or equal to -2x+1

    asked on February 23, 2009
  78. science/biology

    how will a goldfish respond if i put it in salt water

    asked on September 30, 2008
  1. Physics

    Ke=1/2pmv²=j 1/2×90=45 2205÷45=49

    posted on January 5, 2020
  2. Chemistry

    Hi i am Grant. I am a amauter writer. I am trying to write a fantasy novel. Pls, read and give me some review. Thanks you and this is my novel: nhakhosachiepvien.blogspot.com

    posted on December 30, 2018
  3. Social Studies

    Look at the bottom link

    posted on October 31, 2018
  4. Social studies

    It's D

    posted on October 31, 2018
  5. Math

    A

    posted on May 23, 2018
  6. riddle

    World War 2 Squardon

    posted on August 26, 2017
  7. Math

    Great, thanks!

    posted on February 3, 2016
  8. math

    is the answer A. Median Ms. Sue?

    posted on April 9, 2015
  9. Physics

    damon your answer is wrong i hate you

    posted on March 2, 2015
  10. Math

    3/20

    posted on September 18, 2014
  11. Chemistry

    0.189

    posted on March 31, 2014
  12. Physics

    Looking up the answers will not help you on the physics test. Try looking in your book or reading guides for additional help.

    posted on March 12, 2014
  13. Chemistry

    The answer is 5.73 moles Au

    posted on December 15, 2013
  14. statistics

    Idiocracy. It's not a movie.

    posted on May 20, 2013
  15. Physics: Sound Waves

    Going to be about 1-2 hertz fyi, 345/pipe1 345/pipe2 and difference

    posted on September 8, 2012
  16. apush

    Ya, the answer is D

    posted on April 2, 2012
  17. Calc 1

    Answer is 12250

    posted on February 24, 2012
  18. Distributive property

    I NEED HELP

    posted on February 9, 2011
  19. algebra

    48 programs

    posted on October 23, 2010
  20. Physics

    so i would do.. 23N - friction= 3.1(or 30.38N) *.5 and get f=7.81 then 7.81 = mu k * mu g ?

    posted on October 30, 2008
  21. French

    what does trousse mean in French?

    posted on June 26, 2008
  22. math... help me.. please =)

    well i think it's 1) 4x sq.root7 2) 5x just basically sq. root them(for the exponent divide by the root(since its square root it's 2 you divide by)

    posted on May 11, 2008