3 years ago

Multiply. 6.421 x 10 = _____ 0.6421 64.21 642.10 6,421

Mathematics

2 answers:

Mrrafil [7]3 years ago

7 0

Answer:

64.21

Step-by-step explanation:

Sonbull [250]3 years ago

3 0

Answer:

Brainliest!!!

Step-by-step explanation:

see picture

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Olenka [21]

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$\frac{\partial w}{\partial t} = y(e^t) +(x+z)*(cos(t)) - 3y*sin(3t)$

Step-by-step explanation:

First, note that

$\frac{\partial x}{\partial t} = e^{t} \\\frac{\partial y}{\partial t} = cos(t)\\$

And using the chain rule in one variable

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Now remember that the chain rule in several variables sates that

$\frac{\partial w}{\partial t} = \frac{\partial w}{\partial x} * \frac{\partial x}{\partial t} + \frac{\partial w}{\partial y} * \frac{\partial y}{\partial t} + \frac{\partial w}{\partial z} * \frac{\partial z}{\partial t}$

Therefore the chain rule in several variables would look like this.

$\frac{\partial w}{\partial t} = y(e^t) +(x+z)*(cos(t)) - 3y*sin(3t)$

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