During __________, frequently used synaptic connections in the brain strengthen while rarely used connections tend to thin.
2 answers:
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Answer:
The energy that 100-watt light bulb consume when is turned for one minute is 1.667 J, Joules are the units of energy or work
Explanation:
The relation between the power and the energy we have to know the units of each
The energy in one minute is 1.667 Joules
Answer:
Length = 2.862 ft
Width = 1.431 ft
Height = 3.05 ft
Explanation:
Let L be lenght, W be width, and H be height of the storage container. Since length is to be twice the width, it means L = 2W. The volumn of the container would also be:
SInce the volumn constraint is 50, that means:
The cost for the base would be its area times unit price
Likewise, the cost for the sides would be
We can substitute H from the equation above:
Therefore the total material cost
To find the minimum of this function, we can take first derivative then set to 0:
So W = L/2 = 1.43ft and
If we take the 2nd derivative and substitute L = 2.862 we would have
Hence L = 2.862 would yield the minimum material cost