Most popular questions and responses by sid
  1. Math

    The radius of a cylinder is 3.5 ft. The height is 14 ft. Find the surface area and volume of the cylinder to the nearest tenth of a foot. I think the volume is 538.51 in^3. I just don't know the SA. Is it, possibly, 164.85 in^2. Or, no where closer than

    asked on April 25, 2016
  2. Math

    How many 7th grade students are expected to move by the end of the year? If 12 students actually moved, did more or fewer 7th-grade students move than expected? Justify your answer. 6th-grade # of students: 250 % moves: 2% 7th-grade # of students 200 %

    asked on March 8, 2016
  3. statistics- one quick question please :)

    the graph shows a non standard normal distribution curve with a mean of 59.0 and a standard deviation of 6.7. Find the area of the shaded region. *there's a picture of the curve, the shaded region is labeled with the value 64.2 Choices: a. 0.2177 b. 0.7823

    asked on February 11, 2019
  4. Physics

    A 940 kg car moves along a horizontal road at speed v0 = 16.8 m/s. The road is wet, so the static friction coefficient between the tires and the road is only μs = 0.196 and the kinetic friction coefficient is even lower, μk = 0.1372. The acceleration of

    asked on October 26, 2014
  5. physcial science

    Which of the following statements about Ohm’s Law is true? A. Increasing the voltage decreases current. B. Keeping the same voltage and decreasing resistance decreases the current. C. Ohm’s law relates power, current and resistance. D. To increase the

    asked on October 20, 2015
  6. curriculum

    When children think in a convergent manner: A. They center on already-known facts. B. They are able to think in many different directions about a problem. C. They are thinking creatively. D. They are thinking intuitively.

    asked on October 30, 2018
  7. physics

    Water flows through a horizontal tube of diameter 2.6cm that is joined to a second horizontal tube of diameter 1.7cm . The pressure difference between the tubes is 8.0kPa.Find the speed of flow in the first tube.

    asked on January 30, 2011
  8. Physics

    A person makes a quantity of iced tea by mixing 500g of hot tea(c=4190J/(Kg.k) with an equal mass of ice(T=0c, L=333KJ/Kg). assume that mixture has negligible energy exchange with environment. If tea's initial temperature is 90c, then what is the

    asked on May 26, 2009
  9. help meee

    A cylinder shaped can needs to be constructed to hold 200 cubic centimeters of soup. The material for the sides of the can costs 0.03 cents per square centimeter. The material for the top and bottom of the can need to be thicker, and costs 0.05 cents per

    asked on October 14, 2017
  10. math

    An airline knows that, on average, the probability that a passenger will not show up for a flight is 6%. If an airplane is fully booked and holds 300 passengers, how many seats are expected to be empty? If the airline overbooked the flight by 10

    asked on March 8, 2016
  11. physic

    to move a large crate across a rough floor, you push down on it at an angle of 21 degree. find the force necessary to start the crate moving, given mass of the crate is 32 kg and the coefficient of static friction between the crate and the floor is 0.57

    asked on November 7, 2010
  12. math

    An airline’s weekly flight data showed a 98% probability of being on time. If this airline has 15,000 flights in a year, how many flights would you predict to arrive on time? Explain whether you can use the data to predict whether a specific flight with

    asked on March 8, 2016
  13. physcial science

    A device that changes mechanical energy to electrical energy by rotating a coil of wire through a magnetic field is called a(an) A. transformer. B. generator. C. electromagnet. D. current meter.

    asked on October 20, 2015
  14. chemistry

    When 4.2g of NaHCO3 is added to a solution of CH3COOH Weighing 10g, it is observed that 2.2g of co2 is realised into the atmosphere . The residue left is found to be 12g . Show that this observations are in agreement with the law of conservation of mass?

    asked on July 11, 2016
  15. physcial science

    What creates a magnetic field? A. charged particles that do not move B. moving electric charges C. gravity D. an isolated magnetic pole

    asked on October 20, 2015
  16. MATH

    A cone-shaped cup is made from a circular piece of paper of radius 12 by cutting out a sector and joining the edges AC and BC.

    asked on October 14, 2017
  17. math

    A gas pump machine rejects 12% of credit card transactions. If this is twice the normal rejection rate for a normal gas pump, how many out of 500 credit card transactions would a normal gas pump machine reject?

    asked on March 8, 2016
  18. physcial science

    What type of current is produced by a battery? A. parallel current B. alternating current C. direct current D. potential current

    asked on October 20, 2015
  19. help

    If you know the power rating of an appliance and the voltage of the line it is attached to, you can calculate the current the appliance uses by A. multiplying the voltage by the power. B. subtracting the power from the voltage. C. dividing the voltage by

    asked on October 20, 2015
  20. physics

    The mass of a solid cube is 1200 g, and each edge has a length of 4.15 cm. Find the density of the cube. Answer in units of kg/m^3

    asked on August 25, 2013
  21. Math

    A scuba diver located 20 feet below the surface of water spots a shipwreck at a 70 degree angle of depression. After descending to a point 45 feet above the ocean floor, the diver sees the shipwreck at a 57 degree angle. Draw a diagram to represent the

    asked on September 9, 2012
  22. math

    A boy spent one-half of his money for a book and one-third of his money for a pen. The remaining $2.25 he saved. How much money did he have originally?

    asked on December 5, 2016
  23. math

    A salmon has to swim 25 miles upstream. It swims 7 miles each day and drifts back 5 miles each night. How may days it take for the salmon to first reach 25 mile mark?

    asked on October 29, 2013
  24. physcial science

    8. which picture(s) would best represent atoms in the gas of a neon sign?

    asked on October 13, 2015
  25. physics

    A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 16 m/s. If the brick is in flight for 3.1 s, how tall is the building?

    asked on February 21, 2012
  26. Math

    Rolling 6 dice, what is the probability of rolling six of a kind?

    asked on March 4, 2011
  27. chemistry

    20g of NaHCO3 Treated with 22g of HCl Producing 12g of the residue. What is the amount of co2 Formed ?

    asked on July 11, 2016
  28. Gupta

    When Two Resistors Are Joined In Series , The Equivalent Resistance Is 45 Ohm. When The Same Are Connected in Parallel , The eq. Resistance is 10 Ohm. Calculate The Two Resistances.

    asked on July 1, 2016
  29. physcial science

    A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage? A. 8 volts B. 150 volts C. 640 volts D. 600 volts

    asked on October 20, 2015
  30. chemistry

    write the net ionic equation of the following reaction: HCl(aq)+NaOH(aq)--> NaCl(aq)+H2O(l)

    asked on January 3, 2012
  31. physcial science

    The type of current in your home is mostly A. direct current. B. alternating current. C. series current. D. produced by batteries.

    asked on October 20, 2015
  32. math

    Rosy has been jogging for 3 weeks. In the first week She jogged 3 days each for 4/6 of an hour. During week 2 she jogged for 3/4 of an hour on 2 days. In week 3 she jogged 4 days each for 3/5 of an hour . WRITE one expression that would show the total time

    asked on March 24, 2014
  33. geometry

    Which equation is the correct equation to solve for x? Given ST = 5x + 1 , TU = 4x -1, and SU = 54 Its multiple choice and the answers given are- A)(5x + 1) + 54 = 4x - 1 B)(4x - 1) + 54 = 5x + 1 C) 5x + 1 = 55 - 4x D) 5x + 1 = 27

    asked on August 26, 2013
  34. math

    3/14 of rosebuds in a garden bloomed yesterdday and 2/5 of the remaining rosebuds bloomed today.66 rosebuds have not yet many rosebuds were there in total? how many rosebuds bloomed today?

    asked on April 28, 2010
  35. chemistry

    Convert 50 ppm NaCl to molarity of NaCl

    asked on April 20, 2010
  36. Math 4

    Barnyard and Barley's circus is in town, and Lorena is going with her father.They have seats in the balcony. When Lorena and her father arrive at the performance,they can choose from 6 entrances to the ground floor of he main arena. There are two stairways

    asked on January 26, 2010
  37. Trigo

    From the top of the mountain 30m. Above the sea level, the angle of depression of two ships lying in a vertical plane with a mountain top measure 28° and 23°. Find the distance between the ships.

    asked on July 26, 2016
  38. physcial science

    If a step-up transformer has a primary coil with 15 turns, how many turns would be required in the secondary coil in order to increase the voltage from 80 volts to 160 volts? A. 8 turns B. 30 turns C. 80 turns D. 160 turns

    asked on October 20, 2015
  39. chem

    what is the relationship between the amount of heat produced per mole of reactant?

    asked on January 3, 2012
  40. Math

    how many positive three-digit numbers are there that have no digits repeating?

    asked on February 21, 2011
  41. socialstudies

    what is population distribution

    asked on June 1, 2009
  42. cardiorespiratory fitness

    The most common reason for dropping out of a cardio program is?

    asked on January 19, 2015
  43. chem

    the following reaction occurred at 45 degrees all gases h2+f2=2hf the equlibrium conc in a 5ml container are h2=.0500m, f2=.0100m and hf =.400m. if .200ml of f2 is added calculate the concentrations and pressures of all gases once equlibrium is

    asked on December 17, 2014
  44. Math

    Jane makes necklaces .she uses one pendant for each necklace.there are 6pendants and 10 ribbons in a pack.what is the least number of necklaces jane can make without having any ribbons or pendants left over

    asked on October 6, 2014
  45. Math

    Jane makes necklaces .she uses one pendant for each necklace.there are 6pendants and 10 ribbons in a pack.what is the least number of necklaces jane can make without having any ribbons or pendants left over

    asked on October 6, 2014
  46. Physics

    A car travels in a straight line for 4 h at a constant speed of 63 km/h. What is its acceleration? Answer in units of m/s^2?

    asked on August 31, 2013
  47. physics

    if a wire of length 12cm it stress up to 25m what will be the final resistance .it initial resistance is 16ohm?

    asked on September 13, 2012
  48. chem

    what is the relationship between the amount of heat produced per mole of reactant?

    asked on January 4, 2012
  49. algebra

    what are extraneous solutions of an equation? Why do they sometimes occur in the process of solving rational equations? examples

    asked on March 26, 2010
  50. algebra

    when adding or subtracting rational exprssions, why do you need an LCD

    asked on March 21, 2010
  51. 4th grade Math

    What does it mean when you are asked to find the product of two numbers?

    asked on November 18, 2008
  52. Math

    Find the surface area of the solid represented by each net. 2 circles with attached to a rectangle who's height is 84 cm length is 86.8 cm and circle diameter is 26.6 cm

    asked on May 13, 2008
  1. Single Room, Earth View by Sally Ride--Help!


    posted on November 25, 2018
  2. curriculum

    What is the answer?

    posted on October 30, 2018
  3. curriculum


    posted on October 30, 2018
  4. math

    Ur a !@#$%^& school sucks dk niga

    posted on May 21, 2018
  5. math

    9 I've checked over and over and found that it's correct. RQ is literally half of MP

    posted on December 2, 2017
  6. Physics

    The potential energy at the top is equal to the kinetic energy at the bottom, therefore mgh=.5mv^2. The masses do not matter sense they are equal to each other, so they may be canceled out. You know that the acceleration of gravity is 9.8, so to find the

    posted on October 25, 2017
  7. physics

    15.8 sec

    posted on April 24, 2017
  8. math

    answer is 3/5. I did dis on ixl and got it rit cuz im a math god

    posted on January 31, 2017
  9. chemistry

    I want this answer

    posted on July 11, 2016
  10. chemistry

    I want it in grams

    posted on July 11, 2016
  11. Chemistry


    posted on April 22, 2016
  12. Math

    don't you just love it when people come here to say something is cheating? like .. why are you here in the first place?

    posted on April 18, 2016
  13. stat


    posted on March 14, 2016
  14. ap physics

    I'm asking for help so obviously I don't know the answer thanks for nothing jishka

    posted on February 21, 2016
  15. Algebra 2

    is this answer 100 % sure...?

    posted on July 22, 2014
  16. Math

    i failed because of above wrong answers.......hate all of u

    posted on July 18, 2014
  17. Math

    these above are all wrong......dont follow

    posted on July 18, 2014
  18. math


    posted on April 24, 2014
  19. physics(URGENT!!!!!)

    A stick of length l = 60.0 cm rests against a wall. The coefficient of static friction between stick and the wall and between the stick and the floor are equal. The stick will slip off the wall if placed at an angle greater than θ = 49.0 degrees. What is

    posted on December 10, 2013
  20. Grammar

    What about "Makes it equal to zero" then again i don't know the context.

    posted on October 5, 2012
  21. Grammar


    posted on October 5, 2012
  22. Physics

    thank u so much drwls

    posted on May 27, 2009
  23. english: crit. thinking

    Wow anonymous gets angry that they couldn't cheat and get the correct answers!!! Hahahaha do the work yourself you bum!

    posted on May 1, 2009
  24. 4th grade Math

    Thank you

    posted on November 18, 2008