amandajennings01
01.12.2020 •
Mathematics
Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-response question. There are 15 questions on the test and the students have been given 55 minutes to complete it. Which value could replace x in the table?
a.7 – m
b.23 – m
c.8(15 – m)
d.8(15) – m
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Ответ:
It would be 8(15-m)
Ответ:
4-c=-1/3
3[4-c]= -1
12-3c= -1
12+1=3c
13=3c
c=13/3
c=4 1/3