luckye

17.08.2021 • 

Computers and Technology

Lists You can also make lists that are filled with lists! List-ception.
First, create three different lists:
A list called string_list that contains three strings (can be any strings)
A list called number_list that contains three numbers (can be any numbers - int or float)
A list called boolean_list that contains three boolean (can be any booleans)
Then, create a new list, called nested_list which contains the three lists you created above.
In [ ]: YOUR CODE HERE
In : assert isinstance(string_list, list
assert len (string list)3
assert isinstance(string_list[o], str)
assert isinstance (number list, list)
assert len (number_list)3
assert isinstance(number_list[o], int) or isinstance (number_list[o], float)
assert isinstance(boolean_list, list)
assert len (boolean_list)3
assert isinstance(boolean_list[o],bool)
assert isinstance(nested list, list
assert len (nested_list)3
assert isinstance(nested_list[0], list)

Ответ:

Val03

17.04.2022

Computers and Technology

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The correct answer is d) t = 1.525

The route to this result involves a number of steps.

First dy/dx = is easily obtained from the ratio of dy/dt and dx/dt as

dy/dt = (1/3) t5 - (2/3) t2 define Q as dy/dt

What is needed is dQ/dx (the second derivative of y wrt x)

dQ/dx = (dQ/dt) ( dt/dx) but dt/dx = 1/( 3 t2) so

dQ/dx = (5/9) t2 -(4/3) /t

Setting this equal to 1 results in a cubic equation with solution t = 1.525

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