Hussain009

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If there's one node in the middle how many antinodes are there
standing waves
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A competition is held to see who can throw a baseball the highest from the front row of the upper deck of seat.It goes 83 feet above the field level. The winner throws the ball with an initial velocity of 92 ft/sec and it lands on the infield grass. Given these functions s(t)=-1/2gt^2+v0t+s0 and v(t)=-gt+v0 where t is time in seconds, g=32 ft/sec^2, v0 is the initial vertical velocity of the object and s0 is its initial height. 1.Find the maximum height of the baseball. 2. Find the time that the ball is in the air. 3. Find the vertical velocity of the ball when it hits the ground.
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Find the equation of an ellipse with the minor axis of length 8 and with foci (-6,-3) and (-2, -3)?
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Can x=-2 since we can change the equation into (1/x^2)=1/4 and therefore x^2=4 and if we take the square root of both side, x would equal 2 and -2?
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Why do you multiply the three 1/2 by 3? Like I don't think a different outcome would occur if i changed it to getting a odd first instead of last u would still get the same answer(I think)
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Why do we need to follow the rules of PEMDAS? can we prove PEMDAS
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What if we come out with a remainder that is greater than 4
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Shouldnt we also specifiy for the domain that x=all real numbers if a does not equal 0 since x=-b over 2a and we cant have a demonator as 0?
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