3 years ago

Jason can travel 24 3/4 miles is 1/2 hour. what is his average speed in miles per hour?

Mathematics

1 answer:

nydimaria [60]3 years ago

6 0

49 1/2 miles per hour

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Lapatulllka [165]

<u>Answer:</u>

g (h (x) ) = 5/8

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We are given the following two functions and we are to find the value of $g ( h ( - 3 ) )$ :

$g ( x ) = \frac { x + 1 } { x + 2 }$

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Now substituting the value $x=-3$ in it:

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Step-by-step explanation:

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2 years ago

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fredd [130]

With

$\vec r(t)=4t\,\vec\imath+6t\,\vec\jmath-t^2\,\vec k$

we have

$\mathrm d\vec r=(4\,\vec\imath+6\,\vec\jmath-2t\,\vec k)\,\mathrm dt$

The vector field evaluated over this parameterization is

$\vec f(x,y,z)=\vec f(x(t),y(t),z(t))=4t\,\vec\imath+t^2\,\vec\jmath+6t\,\vec k$

so the line integral is

$\displaystyle\int_{-1}^1(4t\,\vec\imath+t^2\,\vec\jmath+6t\,\vec k)\cdot(4\,\vec\imath+6\,\vec\jmath-2t\,\vec k)\,\mathrm dt$

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3 years ago

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natulia [17]

Answer:

88,88,888

Step-by-step explanation:

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