ll

Most popular questions and responses by ll
  1. math

    A Ferris wheel has a maximum height of 245 feet and a wheel diameter of 230 feet. Find an equation for the wheel if the center of the wheel is on the​ y-axis and y represents the height above the ground. equation is ?

    asked on October 2, 2015
  2. finance

    Carlyle Inc. is considering two mutually exclusive projects. Both require an initial investment of $15,000 at t = 0. Project S has an expected life of 2 years with after-tax cash inflows of $7,000 and $12,000 at the end of Years 1 and 2, respectively.

    asked on October 19, 2009
  3. math

    Justine earned $25,000 during the first year of her job at city hall. After each year she received a 6% raise. Find her total earnings during the first five years on the job.

    asked on May 22, 2013
  4. Math

    identify the value of x that makes each pair of ratios equivalent 1. x:4" and "45:20" A.8 B.9 C.10 2.21 to x and 7 to 10 A.24 B.30 C.40 3.x to 50 and 16 to 25 A.32 B.34 C.41 4.6 to 8 and 18 to x A.20 B.22 C.24 5. 9/36 and x/4 A.1 B.4 C.9 6. 42/22 and 21/x

    asked on November 1, 2018
  5. chemistry

    A volume of 100mL of a 0.800 M HNO3 solution is titrated with 0.640 M KOH. Calculate the volume of KOH required to reach the equivalence point.

    asked on August 6, 2012
  6. physics

    A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz.

    asked on July 1, 2012
  7. cuny

    2.A lab class conducts a 1000 trial scattering probability experiment. Nine (9) target marbles were used on a 46.0 cm wide board. The marble diameter was calculated to be 1.48 cm. 1.How many hits were recorded during the experiment? 2.If the standard value

    asked on February 17, 2017
  8. Physics

    A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift

    asked on June 10, 2012
  9. Physics

    A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift

    asked on June 9, 2012
  10. Physics

    A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift

    asked on June 9, 2012
  11. physics

    A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift

    asked on June 9, 2012
  12. Physics. Please help!

    A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift

    asked on June 10, 2012
  13. Physics

    A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters.  What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift

    asked on June 9, 2012
  14. PHYSICS

    a car has a mass of 1200kg.The area of the tire in contact with the ground is .02m^2. What is the pressure of each tire?

    asked on October 1, 2015
  15. chemisty

    How many moles of Ba(OH)2 are present in 295mL of 0.800M Ba(OH)2?

    asked on August 6, 2012
  16. phy.

    If you witnessed a broadside collision, would you expect that the velocities and weights of the cars determine where the cars will land after collision?

    asked on August 8, 2015
  17. physics

    A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz. Calculate the time required for a pulse of radar waves to reach an airplane 4.0 km away and

    asked on July 1, 2012
  18. PHYSICS

    a truck with a mass of 5000 kg and a velocity of 15.0 m/s collides head-on with a car whose mass is 1000 kg, moving at 30.0 m/s. if the two vehicles move together after the impact, at what velocity do they move?

    asked on October 1, 2015
  19. PHYSICS

    Calculate the stress, strain and young's modulus of a wire with a cross-sectional area of 3 x 10^-7 m^2 and a length of 0.6 m that is stretched to a distance of 1.2 x 10^-3 by a 120 N force.

    asked on October 1, 2015
  20. physics

    An appliance transformer-converter is plugged into a 120 volt AC house outlet. The primary coil has 200 windings of copper wire. The secondary coil has 15 windings of wire. Calculate the voltage output of the transformer-converter.

    asked on June 24, 2012
  21. physics

    Using Coulomb's Law, calculate the force of repulsion between a positive charge of 110 Coulombs and another positive charge of 220 coulombs separated by a distance of 2 meters. Use scientific notation. (Hint: use the proportionality constant)

    asked on June 17, 2012
  22. physics

    Archimedes decides to take a warm bath. If 1 calorie equals 4.187 Joules, and the heat of fusion of ice/water is 334 J/gram, calculate the number of calories it takes to liquefy a solid block of ice of mass 100 kg at 0°C. Use scientific notation.

    asked on June 17, 2012
  23. algebra

    GUY WIRE. How long is a guy wire reaching from the top of a 15ft. pole to a point on the ground 10 feet from the pole? exact length in feet. length in three decimal places in feet.

    asked on June 18, 2012
  24. math studies

    An arithmetic series has a first term of -4 and a common difference of 1. A geometric series has a first term of 8 and a common ratio of 0.5. After how many terms does the sum of the arithmetic series exceed the sum of the geometric series?

    asked on September 28, 2008
  25. physics

    The equation of a SHM of a 600 g object is given as x = 0.45 cos 6.4 t where the displacement x is in meters and time in seconds. What is the total energy of the system?

    asked on January 30, 2015
  26. 8th grade math

    On my math worksheet it says, and I quote "Describe the following pattern(s) and determine the next two terms:" and then this little booger comes up. And honestly, I can't figure it out for the life of me! So if you could help it would be greatly

    asked on August 25, 2013
  27. physics

    An oceanic depth-sounding vessel surveys the ocean bottom with ultrasound waves that travel at 1530 m/s in seawater. The time delay of an echo to the ocean floor below is 3 seconds. Find the depth of the water.

    asked on June 24, 2012
  28. algebraA

    lond distance trucker traveled 156 miles in one directionduring a storm. Thereturn trip in rainy weather was accomplished at double the speed and took 3hrs less time. Find the speed going.

    asked on June 1, 2012
  29. algebra

    The stooping distance d of a car after the brakes are appied varies directly as the square root of the speed r. If a car traveling 40mph can stop in 90 ft., how many feet will it take the same car to stop when it is traveling 60 mph.

    asked on June 1, 2012
  30. economics

    A country's excess of quantity demand is a nation's imports or exports?

    asked on February 8, 2008
  31. conversion

    800 watts -> KW

    asked on October 1, 2015
  32. conversion

    2 KW -> Hp

    asked on October 1, 2015
  33. conversion

    20 watts -> joule/s

    asked on October 1, 2015
  34. conversion

    10 Joules -> ergs/s

    asked on October 1, 2015
  35. conversion

    5 HP -> watts

    asked on October 1, 2015
  36. physics. help!

    An appliance transformer-converter is plugged into a 120 volt AC house outlet. The primary coil has 200 windings of copper wire. The secondary coil has 15 windings of wire. Calculate the voltage output of the transformer-converter.

    asked on June 24, 2012
  37. physics

    Using Coulomb's Law, calculate the force of repulsion between a positive charge of 110 Coulombs and another positive charge of 220 coulombs separated by a distance of 2 meters. Use scientific notation. (Hint: use the proportionality constant)

    asked on June 17, 2012
  38. math studies

    Find m and a: 12x + 3y = 36 mx - 9y = a

    asked on October 21, 2008
  39. PHYSICS

    compute for the density of a brake fluid used in a car which has a volume of 600cm^3 and a mass of 100 g?

    asked on October 1, 2015
  40. PHYSICS

    A spring of a car has a spring constant of 155 N/m. what is the force needed to stretch the spring by 5.00 cm from its original length?

    asked on October 1, 2015
  41. Living Enviroment

    - What is the purpose of the DNA Sequencing? -What is the purpose of the Polymerase Chain Reaction?

    asked on May 24, 2014
  42. Language arts

    In "Aunt Millicent,"how does Jamie make the settings of aunt Millicent travels appear realistic?

    asked on March 28, 2014
  43. economics

    what's the difference between buying rate and selling rate?

    asked on April 28, 2013
  44. algebra

    multiply and simplify z^2-7z-18/z^2-4z+4*z-2/z-9

    asked on May 31, 2012
  45. american history

    in what way did industrialization benefit the united states

    asked on November 19, 2007
  1. Pre Algebra

    who here is in washington conections that has the answers for unt 6 lesson 7

    posted on May 14, 2019
  2. Chemistry

    JJ

    posted on February 1, 2019
  3. Social Studies

    B C C A B B A&C D B B you on your own

    posted on November 2, 2017
  4. 7th Grade Social Studies

    rose williams is right i got 100%

    posted on March 29, 2017
  5. 7th Grade Social Studies

    MUDDA ANSWER FOR YOU WAS RIGHT

    posted on March 28, 2017
  6. 7th grade social studies Ms. Sue please

    All are right!

    posted on November 2, 2016
  7. Bank management

    55

    posted on September 26, 2016
  8. Chemistry

    what

    posted on September 9, 2016
  9. Math/algebra

    i think that is correct

    posted on April 18, 2016
  10. life orientation

    Which crime are you talking about?

    posted on April 18, 2016
  11. 7th grade math Ms. Sue please

    What are the answers to the Equations and Inequalities Unit Test

    posted on January 20, 2016
  12. Calculus

    It's ( -3.7103 )

    posted on December 17, 2015
  13. physics

    99

    posted on December 8, 2015
  14. Ratios of Similar Figures

    Shawn was right about the answers YUMIE's answers were wrong got 4/10

    posted on November 12, 2015
  15. Simple Subjects

    mrs marcus

    posted on October 2, 2015
  16. Physics

    unsw phys1121 reppin

    posted on April 26, 2015
  17. social studies

    omg

    posted on March 10, 2015
  18. science (check answers)

    no you did not

    posted on April 10, 2014
  19. 8th grade math

    Ouch! Tough blow Mr. Smeeth! Not everyone can be a genius. Thank you very much for this LOVELY time on jiskha but I very much have to go. Toodlhoo!! And thank you very much for helping me (or trying to)!! Until next time! Au revoir!!! A bientot!!

    posted on August 26, 2013
  20. 8th grade math

    Well Mr. Steve, I looked up two interlocking sequences anddddd... I got nothin. Nope. Nada. Zip. Not a single thing that's has to do with math. Yay 😕

    posted on August 25, 2013
  21. 8th grade math

    Okay I get where you are coming from on the 1 2 4 yada yada yada thing but I don't get how you got the second part with the 23 6 9 12. Can you please explain?

    posted on August 25, 2013
  22. MATH

    2=5

    posted on March 26, 2013
  23. Math

    jerome is making gift baskets using a ribbon that is 98 centimeters long he cuts 12 cenontimeter pieces of ribbon to tie on each basket what was the length of the ribbon after jerome cut off 5 pieces

    posted on March 13, 2013
  24. Thesis statements??

    Thesis statement

    posted on March 12, 2013
  25. history

    Thomas Jefferson, John Hancock, Patrick Henry, Sam Adams, John Adams

    posted on November 28, 2012
  26. us history

    Also add that no national statutes could be passed without the approval of all 13 states, making federal laws difficult to pass. You already mentioned the fact that the central government was meant to be weak and did not have the power to tax, which are

    posted on September 26, 2012
  27. Chemistry

    thank you. I don't understand why the O2 is to the power of two in the rate = k[NO][O2]2 when that is only a first order reaction and the NO is second order.

    posted on March 30, 2012
  28. math studies

    how do you find m and a once you put the first term in standard form?

    posted on October 21, 2008
  29. math studies

    can anyone help?

    posted on September 28, 2008
  30. math studies

    please

    posted on September 28, 2008
  31. math studies

    anyone????

    posted on September 28, 2008