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kalbaugh
28.08.2019 •
Mathematics
Use the substitution method to solve x=2y+4 and y-2x=16
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Ответ:
you will have y-2(2y+4)=16
y-4y-8=16
-3y=24
-y=7
y=-7
Ответ:
ALRT let us see
Step-by-step explanation:
PART A: 4*3/8= 1.5 hours
1 hours and 30 minutes or 90 minutes or 1.5 hours which ever u like to write in
PART B:
1.5 hours+ 6 hours= 7.5 hours
7 hours and 30 minutes or 7.5 hours
PART C:
7.5/0.5= 15
15 half-hour sitting periods