deedee2616
18.09.2019 •
Mathematics
Arug is shaped like a rectangle who's per perimeter there's 192 feet the length is five times longer with find the length and the width
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Ответ:
Plug these values into the Perimeter equation P = 2(length) + 2(width):
P = 2(5x) + 2(x), or P = 12x, and this is known to have the value 192 units. Solve for the width, x:
(192 units) = 12x gives us x = 16 units. Then the length is 5(16 units) = 80 units.
Check: Does 2(80 units) + 2(16 units) = 192 units? If so, then our width (16) and length (80) are correct.
Ответ:
y=20
Step-by-step explanation:
2y+21 = 3y+1
Subtract 2y from both sides,
21 = 3y-2y +1
Subtract 1 from both sides,
y = 20