tyarber96
07.12.2021 •
Mathematics
How many solutions does the system of equations below have?
10x + 9y = 7
11x + 16y = 19
No solution
One solution
Infinitely solutions
Solved
Show answers
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Ответ:
x = 4.5
Step-by-step explanation:
l = 2x
p = 4l
note: 4l in this case because it is a square
plug in l into equation p
36 = 4(2x)
36 = 8x
divide by 8
x = 4.5