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yan [13]
2 years ago
12

Please help!!

Mathematics
1 answer:
sergij07 [2.7K]2 years ago
6 0
Answer: B
Explanation: It’s linear because as y increases x also increases however it’s weak because there are a few anomalies/ outliers
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Number sense. What is the rule? <br> 200----&gt;500 400----&gt;700 500-----&gt;800
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A pumpkin is launched from the top of a 20 foot tall platform at an initial velocity of 84 feet per second. The height, h, of th
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<h2>Explanation:</h2>

In this problem we have a pumpkin is launched from the top of a 20 foot tall platform at an initial velocity of 84 feet per second. So the height, h, of the pumpkin at time t seconds after the launch can be modeled by the equation:

h(t) = -16t^2 + 84t + 20

So this is the equation of a parabola. The maximum of this parabola occurs at its vertex. So let's find this vertex:

\text{The x-value of the vertex is}: \\ \\ t=-\frac{b}{2a} \\ \\ \\ Where: \\ \\ a=-16 \\ \\ b=84 \\ \\ c=20 \\ \\ \\ t=-\frac{84}{2(-16)} \\ \\ t=-\frac{84}{-32} \\ \\ t=\frac{21}{8}=2.625 \\ \\ h(2.625)=-16(2.625)^2+84(2.625)+20 \\ \\ h(2.625)=-110.25+220.5+20 \\ \\ h(2.625)=130.25m

Finally, the maximum occurs at time 2.625 seconds when the height is 130.25m

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3 years ago
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Musya8 [376]
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yuh

Step-by-step explanation:

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Step-by-step explanation:

tell me if you don't get it

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