Sunday
May 19, 2013

# Posts by TANYA

Total # Posts: 233

Physics
On a playground slide, a child has potential energy that decreases by 1000 \rm J while her kinetic energy increases by 900 \rm J. What other form of energy is involved, and how much?

Math
The perimeter of a square is f feet. How long in yards is each side of the square?

Math
A number that can be divided by 2 three times in a row with no remainder, has 5 as a factor and is greater than 40

Psychology
Where are selfish impulses? Examples of social conscience?

physics
In the design of a supermarket, there are to be several ramps connecting different parts of the store. Customers will have to push grocery carts up the ramps. A grocery cart has a mass of 30kg. The coefficient of friction is .10. Assume that the shoppers will push the cart par...

Math
x is to 6 as 0.8 is to 1.5 How do I write a proportion with that? (proportion such as eg. 14/105=x/315) is it x/6=0.8/1.5 or is it x/0.8=6/1.5 Urgent!!

7th G-Math
a is the answer -9/-3 is 3 any negative divided by another negative is always a positive the -9+(-3) so it is -9-3 -9-3=-12

math
the value is 46 any thing in side the absolute values sign (| |) turns postive

math
y – (–19) = 25 negative and negative is positive y+19=25 now you want to get y all alone and anything flipped to the other side of the equals sign changes. so positive numbers turn negative as negative turn positive y=25-19 y=6 thats your answer!