reena

Most popular questions and responses by reena
  1. physics

    On a 120 km track, a train travels the first 30 km at a uniform speed of 30km/h. How fast must the train travel the next 90 km so as to average 60km\h for the entire trip?

    asked on June 3, 2010
  2. devi

    cheena spent 3/4 of her pocket money. she spend 1/2 of it on a book 1/6 on movie and rest on dress what amount she spend on dress

    asked on September 1, 2015
  3. maths

    solve 5sin2x + 12cos2x =11 for 0°«x«180°

    asked on September 10, 2013
  4. math

    The transmitter site of radio station WGGW and the transmitter site of another radio station, WGWB, are on the same highway 100 miles apart. The radio signal from the transmitter site of WGWB can be received only within a radius of 60 miles in all

    asked on February 11, 2012
  5. algebra

    For every positive 2-digit number, x, with tens digit t and units digit u , let y be the 2 digit number formed by reversing the digits of x. Which of the following expressions is equivalent to x-y? a. 9(t-u) b. 9(u-t) c. 9t-u d.0

    asked on February 11, 2012
  6. Easy Mathematics

    What digit could be in the ten millions place of a number that is less that 55,000,000 but greater that 25,000,000? Don't tell me the answer, just tell me how to do it, and what to do also. :D

    asked on October 6, 2011
  7. math

    set S contains all integers from 100 to 200, inclusive. if x is a number in S that is multiple of both 6 and 10, what is one possible value of x?

    asked on October 26, 2011
  8. math

    Bill buys x items at $3 each, y items at $5 each, and z items at 6 each. If x,y,and z are each multiple of 5 and the total price of the items costing $3 and $5 is 55, which of the following could be the total price of all x +y+z items?

    asked on October 26, 2011
  9. math

    Which of the following can be the average(arithmetic mean ) of four consecutive positive even integers?

    asked on October 26, 2011
  10. arithmetic

    Cheri's time in the bobsled race was 1 min, 38.29 sec. What is the word form and the value of the 9 in Cheri's time?

    asked on October 4, 2011
  11. math

    Bill buys x items at $3 each, y items at $5 each, and z items at 6 each. If x,y,and z are each multiple of 5 and the total price of the items costing $3 and $5 is 55, which of the following could be the total price of all x +y+z items? a. 66 b. 80 c. 95 d.

    asked on October 26, 2011
  12. chemistry

    50 mL of 1.50* 10^-2 M HI(aq) is mixed with 75.00 mL of 1.10* 10^-2 M KOH(aq). What is the pH of the Final solution

    asked on February 16, 2009
  13. Maths

    Find the value of k if p(4,-2) is the midpoint of the line segment joining the point A. (5k,3)and B(-k,-7)

    asked on June 7, 2017
  14. arithmetic

    Three men are working together can finish a house repair job in 10 days. How many days will 5 men working at the same rate finish the same job?

    asked on July 25, 2012
  15. math

    Which of the following can be the average(arithmetic mean ) of four consecutive positive even integers? a. 2 b.3 c. 4 d. 5 e. 6

    asked on October 26, 2011
  16. math

    set S contains all integers from 100 to 200. if x is a number in S that is multiple of both 6 and 10, what is one possible value of x?

    asked on October 26, 2011
  17. math

    If line l in the x-y plane contains the point (-2,1),(4,5) and (5,t), what is the value of t?

    asked on October 26, 2011
  18. mat

    The functions f and g for x lesser or equal -4, but x greater or equal 6. and g(x)=|f(x)|, what could be the value if f(-3)?

    asked on October 26, 2011
  19. math

    a train 280m long .its speed is 60 km per hour. then ,how much time it will take to cover220m long platform?

    asked on June 12, 2011
  20. math

    what are the prime factors of a number greater than 5 but less than 13. What is the number?

    asked on September 14, 2010
  21. math

    Kevin has a rabbit, ferret, a gerbil, and a turtle. He feeds them in a different order each day. In how many different orders can kevin feed his pets?

    asked on September 14, 2010
  22. math

    Tonya and Lauren are designing a soccer uniform. They want to use two colorson the shirt. Their choices are green,orange,yellow, purple, blue, and silver.How many ways can they choose two colors?

    asked on September 14, 2010
  1. problem solving

    Sara was thinking of a number. Sara divides by 2, then adds 10 to get an answer of 6. What was the original number?

    posted on December 15, 2017
  2. Maths

    50km/h

    posted on January 5, 2017
  3. maths

    Since BC|| DE and BE || CD with BC bisects CD, BCDE is a rectangle. : opp sides are equal i.e, BE = CD : x + y = 5 ......(1) DE = BC : x - y .......(2) Since perimeter of ABCDE is 21 : AB + BC + CD + DE + EA = 21 3 + x - y + x + y + x - y + 3 = 21 6 + 3x -

    posted on July 30, 2015
  4. Finance

    Following are selected balance sheet accounts for Third State Bank: vault cash  $2 million; U.S. government securities  $5 million; demand deposits  $13 million; nontransactional accounts  $20 million; cash items in process of collection $4 million;

    posted on June 3, 2014
  5. solid mechanics

    answer

    posted on July 29, 2013
  6. math

    i got it, thank you for giving the hint. It is d, since after subtracting 55, the only divisible by 6 that has a multiple of 5 is d.

    posted on October 26, 2011
  7. Easy Mathematics

    Ok, I see. My fault, and I'm sorry. Thanks. :)

    posted on October 6, 2011
  8. Easy Mathematics

    I understand now, thanks. But I don't get how you could have THREE different answers. I know 4(45,000,000) and 3 (35,000,000) are possible answers. But what is the last one?

    posted on October 6, 2011
  9. how to write 2nd may 2011 in 5 letters without usi

    Answer is TODAY

    posted on May 3, 2011
  10. science calculation

    tsk tsk tsk, the answer for this question is simple: 1.Refer to class lecture 9 slides posted online on the intranet. 2.attend lectures or watch them online if you cannot make it. 3.attend TA office hours which are held every day of the week. **This

    posted on July 13, 2009