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2 years ago

11

Which of the following represents 1.65 rounded to the nearest whole number?

1 answer:

Ksju [112]2 years ago

8 0

1.65 rounded to the nearest whole number is 2

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If I did the math correct, the answer is C: 3.63

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2 years ago

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A small explanation would be really appreciated

shutvik [7]

Step-by-step explanation:

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sammy [17]

Answer:

3

Step-by-step explanation:

I can see it in the demonstration graph

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3 years ago

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Can some one answer this

Novosadov [1.4K]

Answer:

Step-by-step explanation

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3 years ago

Consider the functions below. f(x, y, z) = x i − z j + y k r(t) = 4t i + 6t j − t2 k (a) evaluate the line integral c f · dr, wh

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

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

$=\displaystyle\int_{-1}^1(16t+6t^2-12t^2)\,\mathrm dt=-4$

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3 years ago