reena
Most popular questions and responses by reena
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 
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 
maths
solve 5sin2x + 12cos2x =11 for 0°«x«180°
asked on September 10, 2013 
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 
algebra
For every positive 2digit 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 xy? a. 9(tu) b. 9(ut) c. 9tu d.0
asked on February 11, 2012 
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 
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 
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 
math
Which of the following can be the average(arithmetic mean ) of four consecutive positive even integers?
asked on October 26, 2011 
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 
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 
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 
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 
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 
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 
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 
math
If line l in the xy plane contains the point (2,1),(4,5) and (5,t), what is the value of t?
asked on October 26, 2011 
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 
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 
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 
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 
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

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 
Maths
50km/h
posted on January 5, 2017 
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 
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 
solid mechanics
answer
posted on July 29, 2013 
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 
Easy Mathematics
Ok, I see. My fault, and I'm sorry. Thanks. :)
posted on October 6, 2011 
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 
how to write 2nd may 2011 in 5 letters without usi
Answer is TODAY
posted on May 3, 2011 
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