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April 24, 2014

Homework Help: physics ( math)

Posted by K.C on Thursday, September 9, 2010 at 1:29am.

Solve the Equations in terms of X:
a. x/a = b/c
b. s=xt^2/2
d. 4= 10/x
e. 5= 5/x-5
f. 40=2((x10)2-5)
g. x(y+2)/ (5y +8)

1.What is the average of 2/9 and 4/5?

2. Subtract 4.20 x 10^-5 from 6.468 x 10^-4

3.Given: D= density; M= Mass; V= Volume; and D= M/V
a) If an object has a density of 1.5g/cm cubed and a volume of 3 cm cubed, how much it weigh?
b) If an object has a density of 1.5g/cm cubed and a mass of 4.5g, what is its volume?

4. A car travels in 125 miles in 2 and a half hours. What is its average speed?

Thanks in advance and will appreciate it work is shown so i can be able to learn and do it myself the next time...

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