(-55) +____ = -89 Find the missing
1 answer:
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Use double angle identity
We can relate '6x' to '3x' in the same way since 6 is 2*3.
Now sub into left side of identity. Simplify until it equals right side.
We can relate '6x' to '3x' in the same way since 6 is 2*3.
Now sub into left side of identity. Simplify until it equals right side.
Answer:
83,491.67 dollars
Step-by-step explanation:
Given that a certain electronics manufacturer ound that the average cost C C to produce x DVD/Blu- ray players can be found using the equation
To find the minimum average cost per machine we can use derivative test.
we find first and second derivative.
If for a particular value of x first derivative is 0 and second derivative is positive, then that x satisfies the minimum cost criteria.
Second derivative is always positive
I derivative =0 gives
For 83 players the cost would be minimum
Minimum cost =