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Anastaziya [24]
3 years ago
8

Someone please help me with this question!!! Thank you

Mathematics
1 answer:
GalinKa [24]3 years ago
6 0
Hi! So to solve this kinematic equation, all you have to do is plug in what you know to the equation they give you. Your height is 45 meters. Your initial velocity is 0. Therefore, your equation should end up as 0=-5.2t^2+0+45 and you solve for t! Your answer should come out to around 2.94 seconds!
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PLEASE HELP ME!! I DO NOT UNDERSTAND PLEASE SHOW WORK THANK YOU!!
Oksanka [162]

Answer:

= 10x² + 9x³

Step-by-step explanation:

I'm assuming you mean question 19

3x² + 5x³ + 7x² + 4x³    (rearrange to group like terms)

=3x² + 7x² + 5x³ + 4x³  (factor out common powers)

= (3+7)x² + (5+4)x³

= 10x² + 9x³

4 0
3 years ago
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Vesnalui [34]

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Step-by-step explanation:

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