orteg555a
31.07.2019 •
Mathematics
How do i solve this complex number (-)(6+i)
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Ответ:
3*5 * i*i
i*i = - 1
3*5 = 15
This much is - 15
Now use the distributive law.
-15 * (6 + i)
-90 - 15i
Ответ:
1 km = 1000 meters
2 km = 2 x 1000 = 2,000 meters
Area = length x width
Area = 2,000 x 8.3 = 16,600 square meters
Cost:
Multiply total area by cost per square meter:
16,600 x 30 = £498,000