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lele142018
03.08.2019 •
Mathematics
A12-meter flagpole casts a 9-meter shadow. find the angle of elevation of the sun.
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Ответ:
0 = tan ^-1(12/9)
Answer = 53.13 (or 53.1 or 53.130 depends on what you round it too)
Hope that helps!
Ответ:
$31.70
Step-by-step explanation:
In order to find the total monthly charge for the customer, you can set up an equation using two different variables and putting in the charges and number of calls for each.
Let 'x' = the number of in-state calls and 'y' = the number of out-of-state calls.
Equation: 0.03x + 0.11y + 10.75 = total
Since the customer made 350 minutes of in-state calls, x = 350 and 95 minutes of out-of-state calls, y = 95:
0.03(350) + 0.11(95) + 10.75 = total
$10.50 + $10.45 + $10.75 = $31.70