a 7
because 4a + 7 - 7 35 - 7
equals 4a 28
and 4a/4 28/4
equals a 7
Which equation can be used to find the measure of angle BAC? A.) inverse tan (5/12) B.) inverse cos (5/13) C.) inverse sin (12/5
) D.) inverse tan (12/13)
1 answer:
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Answer:
Step-by-step explanation:
Given
Required
Determine number of items that gives maximum earnings;
The general form of a quadratic equation is:
And the maximum is calculated as:
If a<0
Comparing to
We have that:
Substitute these values to
<em>The number of item that maximizes the function is when y = 15</em>