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Question #6725f

A stone is thrown vertically up from the tower of height 25m with a speed of 20m/s time taken to reach the ground?

How do you solve #2+ z \times  \frac { 1} { 3} = 3#?

How do you simplify #\frac { 9\times 10^ {  9} } { 2.4\times 10^ { 8} }#?

Question #94454

30/5x25 added to 4x5/x5?

How do you solve for #x# in # \frac { 9} { w + 8} = \frac { x } { ( w  7) ( w + 8) }#?

Two students walk in the same direction along a straight path, at a speedone at 0.90 m/s and the other at 1.90 m/s. Assuming that they start at the same point and the same time, how much sooner does the faster student arrive at a destination 780 m away?

Factor completely?

Question #6078b

Question #e3826

Question #f53ce

What percent of 17.5 is 12?

How do you combine #\frac { 1} { x  3} + \frac { 1} { ( x  3) ^ { 2} }  \frac { 1} { ( x  3) ^ { 3} }# into one term?

AND gate is formed by using two?
1)OR
2)NAND
3)NOT
4)NOR

If r varies inversely as t, but directly as the square of m. if r=32 when m=8 and t=2, find r when m=6 and t=5?

If x28x1=0 then prove that x2+1/x2 ?

Question #507e9

Question #a5d20