skrrtgod408
04.01.2021 •
Mathematics
If n=4, the value of the expression 28-12 + Vn 2 is
15
17
21 hel
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Ответ:
it is 17
Step-by-step explanation:
I tested it out.
Ответ:
Square Perimeter = 4(4x-1)
Rectangle Perimeter = 2(2x+1) + 2(x+2)
Square Perimeter = Rectangle Perimeter
4(4x-1) = 2(2x+1) + 2(x+2)
16x - 4 = 4x + 2 + 2x + 4
16x - 4 = 6x + 6
-6x +4 -6x +4
10x = 10
x = 1