shortyyashaun
22.01.2021 •
Mathematics
Determine the number of real solutions for each of the given equations.
y = -3x2 + x + 12
y = 2x2 - 6x + 5
y = x2 + 7x - 11
y = -x2 - 8x - 16
1 real solution
2 real solution
no real solution
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Ответ:
u ave already answered it
Step-by-step explanation:
use calculator or facorisation or formula method
Ответ:
The length is 6 meters.
Step-by-step explanation:
If its width is x meters then its length is 2x + 2 meters and we have the equation:
2x + 2(2x + 2) = 16
2x + 4x + 4 = 16
6x = 16 - 4
6x = 12
x = 2 meters.
Thus x is the width and the length is 2(2) + 2 = 6 meters.