zitlays
04.11.2020 •
Mathematics
The map of a biking talis draun on a coordinate gnd The trail starts at P-7,6) and goes to Q 4,6 it goes from Q to R4 -6) and then to S&-6) What is the total length in units of the biking trail?
25
12
13
21
please I need help fast
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Ответ:
21
Step-by-step explanation:
Ответ:
the teacher is correct
Step-by-step explanation:
5:4 totals 9
5/9 of y pupils did their home work
5/9 x y=15
5y=15x9
y =15x9/5
y=27
there are 27 students
next day, 2/3of 27 students did their assignment
2/3 x 27=18
difference between the two days 18-15=3
the teacher is correct