cheyennegenevie9833
18.10.2020 •
Mathematics
Write and solve a compound inequality that represents the possible temperatures (in
degrees Fahrenheit) of the interior of the iceberg. [ = 5
9 ( − 32) the temprature is -20c to -15c
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Ответ:
x=18+3y
x+y=54
(substitute x in the second equation with 18+3y)
18+3y+y=54
(combine like terms and solve for y)
y=9
(plug y into the second equation to find x)
x+9=54
x=45