Joanne

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175

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1.00%

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Lv 1

發問 5 回答 1

2020-09-21 4:38 pm

Help! I'm looking for the second derivative of a parametric equation?

2016-06-22 5:20 am

A ball is kicked off a pier & lands in the sea. h(t)=2/7(t+3)(7-t) h=height, t = secs. When does the ball land in the sea?

2016-06-21 10:58 am

Hi Can you help? Find the value of p if the quadratic expression x^2-(p+2)x + p + 5 = 0 is a perfect square. Thanks?

2016-06-21 10:32 am

Can you help? Prove that the quadratic equation x^2+bx+c = 0 can be expressed in the form (2x+b)^2 = b^2 - 4c. Thanks?

2016-05-29 10:45 am

Hi How do I prove 2 sec^2 y + tan^2 y = 3 sec^2 y - 1? Thanks?

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