lucyamine0
24.11.2021 •
Mathematics
The perimeter of the rectangle is 45 find out x
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Ответ:
x = 7.5cm
Step-by-step explanation:
perimeter of the rectangle = 45cm
=> 2(2x + x) = 45
4x + 2x = 45
6x = 45
x = 7.5 (cm)
Ответ:
Step-by-step explanation:
The perimeter of the rectangle is 45 find out x
2x + 2x + x + x = 45
6x = 45
x = 45 : 6
x = 7.5
check
2 * 7.5 + 2 * 7.5 + 7.5 + 7.5 = 45
the answer is good
Ответ:
f(x) = (x-3)(-2x+12)
Step-by-step explanation: