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harkovskaia [24]
3 years ago
12

Simplify: 9p - 2p2 + 5p

Mathematics
2 answers:
kompoz [17]3 years ago
7 0

Answer: 5p3 - 2p2 + 14p - 4

Gekata [30.6K]3 years ago
5 0

Answer:

p(9-4+5) = 0p = indeterminate

Step-by-step explanation:

there's no explanation, it's a simple concentration

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3 years ago
Jon is launching rockets in an open field. The path of the rocket can be modeled by the quadratic function h(t) = -16t^2 + 96t,
IrinaVladis [17]
It will reach 80 feet for the second time after 5 seconds.

We set the equation equal to 80 feet:
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When solving quadratics, we want it equal to 0, so we subtract 80 from both sides:
80-80= -16t² + 96t - 80
0= -16t² + 96t - 80

We use the quadratic formula to solve:
t=\frac{-96\pm \sqrt{96^2-4(-16)(-80)}}{2(-16)}
\\
\\t=\frac{-96\pm \sqrt{9216-5120}}{-32}
\\
\\t=\frac{-96\pm \sqrt{4096}}{-32}
\\
\\t=\frac{-96\pm 64}{-32}
\\
\\t=\frac{-96+64}{-32} \text{ or } 0=\frac{-96-64}{-32}
\\
\\t=1 \text{ or } t=5
4 0
3 years ago
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