The perimeter of a rectangle is 60 centimeters. The base is 2 times the height. What are the dimensions of the rectangle?
1 answer:
Licenciado en Letrase (base 20 y altura 10 cm.
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It is m/2 - 3/2 = (m + 3) · (m - 3)
A-3b=9
a=b-3
b-3-3b=9
-2b-3=9
-2b=12
2b=-12
b=-6
a=-6-3
a=-9
Solution: (-9,-6)
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Check:
-9=-6-3
-9=-9
TRUE
2/3+3/4=17/12=1.417 This is the anwser
x ≤ 6
which is A
or if not then it's B for
x ≥ 6
