Most popular questions and responses by Danica
  1. math

    1.   Which graph might show the temperature during a 24-hour period?  (1 point) A B C D 2.   Which graph might show the amount of money in a bank account if money is never taken out?  (1 point) A B C D 3.   Which graph might show the amount of

    asked on April 30, 2014
  2. chemistry

    A compound has the empirical formula CH2O. When 0.0866 g is dissolved in 1.0 g of ether, the solution’s boiling pint is 36.5oC. Determine the molecular formula of this substance

    asked on October 1, 2012
  3. physics

    After 10.0 s, a spinning roulette wheel at a casino has slowed down to an angular velocity of +1.56 rad/s. During this time, the wheel has an angular acceleration of -5.45 rad/s2. Determine the angular displacement of the wheel.

    asked on November 2, 2010
  4. chemistry

    A TUMS tablet was dissolved in 100.00 ml of 0.1805 M HCl and analyzed for CaCO3 according to the procedure described in the lab manual. It took 11 ml of 0.1491 M NaOH to reach the endpoint. Calculate the mass of CaCO3 in TUMS tablet to the correct number

    asked on February 5, 2018
  5. math

    how do you calculate the area of a trapezoid the has the base of 11.25 the height of 6.5 and the top of the trapezoid 7.50

    asked on May 19, 2010
  6. physics

    A block (mass = 2.9 kg) is hanging from a massless cord that is wrapped around a pulley (moment of inertia = 1.2 x 10-3 kg·m2), as the figure shows. Initially the pulley is prevented from rotating and the block is stationary. Then, the pulley is allowed

    asked on November 3, 2010
  7. chemistry

    Calculate the molar mass of a non-electrolyte that lowers the freezing point of 25.0 g of water to - 3.9 oC when 4.27 g of the substance is dissolved in the water.

    asked on October 1, 2012
  8. physics

    as the shuttle bus comes to a sudden stop to avoid hitting a dog, it accelerates uniformly at -4.1 m/s to the 2nd power as it slows from 9.0m/s to 0.0 m/s. find the time interval of acccelaration for the bus

    asked on September 22, 2010
  9. math

    the perimeter of a rectangle is 160m and its area is 1200m^2 find its dimensions

    asked on October 26, 2012
  10. physics

    Two people start at the same place and walk around a circular lake in opposite directions. One walks with an angular speed of 1.40 10-3 rad/s, while the other has an angular speed of 3.10 10-3 rad/s. How long will it be before they meet?

    asked on November 2, 2010
  11. trigonometry

    R and S are in the same horizontal plane as the base of a cliff, but R is 132.6 meters nearer it than is S. They find the angles of elevation of the top of the cliff to be 32 degrees and 36 minutes and 63 degrees and 13 minutes. how high is the cliff?

    asked on November 2, 2011
  12. math

    A math teacher calculates grades as follows:Grade=[2 test averages+quiz average/3] After 3 tests and 2 quizzes your test average is 83 and your quiz average is 89. You took your fourth test today and noticed that your overall average grade has dropped to

    asked on October 24, 2010
  13. Business communication

    Example of avoiding camouflauge verbs

    asked on February 13, 2018
  14. math

    48x^2-32x-35=0 quadratic formula is x=-b+/-b^2-4ac/2a please help

    asked on October 26, 2012
  15. math

    tell how you could use a number line to determine which of two numbers is greater.

    asked on September 16, 2009
  16. science

    graphic organizer about the three type of boundary

    asked on July 19, 2016
  17. math

    Find the area and perimeter of an isosceles triangle the base is 16.0 ft and one of the legs is 20.0 ft i don't know the height how would i do this?

    asked on November 3, 2012
  18. math

    the dimensions of a door are 3ft by 7ft 6in. if the same amount is added to each dimension of the door, the area is increased by 18ft^2. Find the dimensions of the new door. answer is supposed to be 4.5ft by 9ft need help asap

    asked on October 26, 2012
  19. algebra

    A furnace duct forks into 2 ducts. Flow coming in is 2300cfm. If flow coming in 1 duct is 800cfm more than other what is flow to each duct in cfm

    asked on October 19, 2012
  20. math

    the dimensions of a door are 3ft by 7ft 6in. if the same amount is added to each dimension of the door, the area is increased by 18ft^2. Find the dimensions of the new door.

    asked on October 26, 2012
  21. physics

    a car traveling at 7.0 m/s accelerates uniformly at 2.5 m/s to the 2nd power to reach a speed of 12.0 m/s. how long does it take for this acceleration to occur.?

    asked on September 22, 2010
  22. Science

    1. Why does North America and Asia consume so much petroleum? I would guess that it is because these two areas produce so many things. 2. What factors would prevent petroleum trade between regions? I'm really not sure but i am guessing it has something to

    asked on March 5, 2008
  23. Math

    In an election of two candidates the successful candidate secured 236 votes more than his rival.If the rival candidate obtained 1/6th of the total votes secured by the successful one in addition to his own votes, he would have won the elections by 42

    asked on July 4, 2007
  24. math

    quadratic equation of 48x^2-32x-35=0 i need both answers you must use the quadratic formula

    asked on October 26, 2012
  25. math

    quadratic equation of 48x^2-32x-35=0 i need both answers

    asked on October 26, 2012
  26. algebra

    A heating duct has a rectangular cross section whose area is 40(inches squared). If it is 3in longer than it is wide then what is its length and width. i need both equation and answer

    asked on October 19, 2012
  27. History

    How many people are currently in the U.S. military? Thanks for your help.

    asked on April 14, 2009
  28. Shakespeare

    I have some essays questions to do and I have some answers, but could someone add to them? Any one of them could be the one i have to write and essay on. They are all about Julius Caesar 1. What are the virtues and limitations of Brutus? Would he be a good

    asked on February 26, 2008
  1. 4th grade

    I dont have A anwser ._.

    posted on February 26, 2018
  2. chemistry


    posted on February 5, 2018
  3. Life Orientation


    posted on August 10, 2017
  4. 4th grade math

    w(1)bbbw(5)bbbw(9)bbbw(13)bbbw(17)bbbw (21)bbbw(24)bbbw(29) After using 29 beads you will have have 8 white beads they will be beads #'s 1,5,9,13,17,21,24, and 29. :)

    posted on January 19, 2016
  5. algebra


    posted on November 24, 2015
  6. trigonometry


    posted on August 6, 2015
  7. math

    then what i seriously have no clue what im doing

    posted on October 26, 2012
  8. math


    posted on January 13, 2012
  9. Physics

    flow of electrons or flow of charge is caused by the repel forces between electrons. In a conductor. electrons are jammed inside, and are force to move alone because they are constantly repelling each other.

    posted on April 6, 2010