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The men's outdoor world regard in the high jump 2.45 meters and 8ft 0.5 inches. The women outdoor record in high jump 2.09 meters and 6ft 10.25in How much higher is the men's high jump record?

Is i^2=-1 for how many integers N is (N+i)^4 an integer? so far i have factored out (N+i)^4 to be ... n^4+2n^2+1 i would suggest checking that, but from there i don't know where to go...doesn't it work for every integer?

The graph of y=1/2 and the graph of y=cosx intersect in an infinite number of points. What is the greatest possible slope of a line drawn from the origin to one of these points?

s = sqrt { [ 9 + 1 + 1 + 9 ] / 3 } = sqrt (20 / 3) = sqrt ( 6.67 ) = 2.58 how they get the 2.58

preschoolers use private speech a. to influence others b. to keep ideas a secret c. because it is more efficient d. because it enables them to communicate new edeas. I think it is D.

the 4*0=hhhh

can someone explain that??? because if you do 1/2 of 17, 1/3 of 17, and 1/9 of 17 than compare it to what they actually got...they ALL got more than their fair share... is that the answer than? how is it just the oldest???

how did you get pi/6?? when i graphed it (on a calc in "radians" mode) i got the first intersection point at (1.04...., .5)

Thank you!

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GUYS IF YOUR STRUGGILING USE I GOT THE ANSWERS ANSWERS, THEIR ALL RIGHT