2 years ago

Find each unit rate. Round to the nearest hundredth if necessary.

1 answer:

lawyer [7]2 years ago

7 0

Pretty sure its 60mph

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natulia [17]

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Step-by-step explanation:

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damaskus [11]

I believe this is correct:
13 x^3-78x^2-234x

pleasa vote my answer brainliest. thanks!

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Arada [10]

Answer:

Step-by-step explanation: first you have to add up the point that each scored altogether and Caitlin scored 300 and Justin scored 250

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raketka [301]

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USPshnik [31]

$\vec r(t)=2\cos t\,\vec\imath+2\sin t\,\vec\jmath+t\,\vec k$

$\implies\vec r'(t)=-2\sin t\,\vec\imath+2\cos t\,\vec\jmath+\vec k$

$\implies\|\vec r'(t)\|=\sqrt{(-2\sin t)^2+(2\cos t)^2+1^2}=\sqrt5$

Then the length of the arc is

$\displaystyle\int_0^{2\pi}\|\vec r'(t)\|\,\mathrm dt=\sqrt5\int_0^{2\pi}\mathrm dt=2\sqrt5\,\pi$

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2 years ago