foriegnngal
13.10.2020 •
Mathematics
Someone help me please!!
If x=2 and y=-3, what is the value of 2x(to the second power) - 3xy-2y(to the second power)
when i say to the second power i mean exponent 2! THANK YOU
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Ответ:
8
Step-by-step explanation:
2(2)^2-3(2)(-3)-2(-3)^2
2*4+18-18
8+18-18
8+0
8
Ответ:
8w=40
You get area by doing length x width. In this case, the “length” is the height. So you would need to figure out what you multiply 8 by to get 40.