2 years ago

Plz help me!! I need explanation to help me understand a bit.

1 answer:

3 0

So the figure is called a ray. Which is when there’s a point and than an arrow extends off that point forever. But the way to write a ray is by putting an arrow above it.

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Answer:

$E(119.5)= 730m$

Step-by-step explanation:

Given

$E(t)= 1200(120-t)+520(120-t)^2$

Required

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Simply substitute 119.5 for t

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Evaluate the expressions in bracket

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Solve 0.5²

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Hence;

$E(119.5)= 730m$

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Step-by-step explanation:

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