alexabdercmur
16.12.2019 •
Mathematics
Robin donated bags of grain that each weighed 403 pounds to the local food shelf. if the total weight of the grain was 160 pounds, how many bags of grain did robin donate?
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Ответ:
the answer should be 4
Step-by-step explanation:
Ответ:
C) 22 degrees
Step-by-step explanation:
y = 3x + (2x+13) ---> look up this theorum
y = 180-57 = 123 deg
substitute for x and get
123 = 5x + 13
SOLVE:
5x = 110
x = 22 degrees