Thursday
December 5, 2013

# Posts by will

Total # Posts: 356

MAth (make equation true)
PLease help 5 + 4 x 3 - 1 = 18 use grouping symbols to make each equation true.

science
how long does it take to dissolve 3 ice cubes in a glass of water

Math
Sorry, shared computer at school, but can you help???

Math
Tickets to a game are \$5 for adults and \$2 for children. Six hundred tickets are sold for a total of \$2160. How many adult tickets and how many children's tickets have been sold?

math
d/dx x(1+y)^(1/2) + y(1+x)^(1/2)=0. Can some1 show me the calculation because i didnt get like the answer. [ans=-1/(1+x)^2 but my calculation=-(sqrt(y+1) (2 sqrt(x+1) sqrt(y+1)+y)/(sqrt(x+1) (2 sqrt(x+1) sqrt(y+1)+x)]

chemistry
Starting with a 2.0 M NaOH solution, determine how you would prepare 1 L of a 0.1 M NaOH solution.

physics (special relativity)
A single photon in empty space is transformed into an electron and a positron, each with rest mass m(e). (a) show that the folowing process is dynamically impossible. (b) Explain in detail how this process can be made possible (c) for part b what would be the minimum photon en...

Physics
A uniform disk of mass 2kg and radius 10.0cm is spinning on a fixed frictionless bearing at 3 revolutions/second. A think cylindrical shell of mass 2kg and radius 10cm is carefully dropped onto the spinning disk so that they end up spinning together, with their edges coincidin...

Math 120
A recent study of 750 Internet userd in Europe found that 35% of Internet users were women. What is the 95% confidence interval of the true proportion of women in Europe who use the Internet? A)0.321<p<0.379 B)0.316<p<0.384 C)0.309<p<0.391 D)0.305<p<0.395

Math 120
D The value of a correlation coefficient can only be in the range of -1<x<1

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