carrot123
23.03.2020 •
Mathematics
A submarine is 700 feet below sea level. If it ascends 300 feet, which integer represents its new position?
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Ответ:
Step-by-step explanation:
700 feet below see level. So, -700
ascends, So, +300
-700 + 300 = -400
Submarine is 400 feet below sea level
Ответ:
-3 (2y - 8) + 2y = 12
-6y + 24 + 2y = 12
-4y + 24 = 12
-4y = -12
y = 3
x = 2y - 8
x = 2(3) -8
x = 6-8
x = -2
Therefore, the coordinates are (-2, 3).