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3 years ago

12

Find the exact length of the curve. Use a graph to determine the parameter interval.

1 answer:

iVinArrow [24]3 years ago

4 0

The formula for the length of a polar curve is<span>∫<span>r2+(dr/dθ<span>)2 from a to b.

In this case, dr/d</span></span></span>θ is the derivative of the function r which is equal to -cos (theta/2) * sin (theta/2)<span> which is equal to -1/2 cos theta. Since there are no limits defined, we leave the formula as it is but one can use the calculator if there are limits present already</span>

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2 years ago

0.2(10-5c)=5c-16 halp

iogann1982 [59]

Answer:

c= 3

Step-by-step explanation:

0.2(10 -5c)= 5c -16

<em>Expand</em><em>:</em>

0.2(10) +0.2(-5c)= 5c -16

2 -c= 5c -16

<em>Bring</em><em> </em><em>all</em><em> </em><em>c</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>1</em><em> </em><em>side</em><em>,</em><em> </em><em>constant</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>other</em><em>:</em>

5c +c= 2 +16

<em>Simplify</em><em>:</em>

6c= 18

<em>Divide</em><em> </em><em>by</em><em> </em><em>6</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>

c= 18 ÷6

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3 years ago

Read 2 more answers