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Bezzdna [24]
3 years ago
6

Please help me (6 + 8i)(4 - 7i)

Mathematics
2 answers:
Tema [17]3 years ago
7 0

(6+(8 * i)) * (4- (7 * i))=
80 - 10i
katovenus [111]3 years ago
5 0
The answer would be, (using FOIL method) 
80-10i
Hope this helps!
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belka [17]

Answer:

The answer to your questions is: 25 new teachers

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# of students = 2000

ratio = 3:80 teachers to students

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I suggest to use rule of three to solve this problem

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                      x                ----------------  2000 students

                  x = (2000 x 3) / 80 = 75 teachers

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The ratio change to 1:20

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3 0
3 years ago
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