Answer:
I'm not sure 710
Step-by-step explanation:
I'm not sure
2x - 6 = 14
Add 6 to both sides to isolate the x
2x = 20
Divide 2 to both sides since x is multipled to x
x = 10
To check your work plug 10 into the equation
2(10) -6 = 14
20 - 6 = 14
14 = 14
and it works
Answer:
8
Step-by-step explanation:
you have to work out 8 times 10 witch is 80 and then you do 54 take waya 80 divided by 2
A = l*w
l = 2w + 4
400 = (2w + 4)*w
0 = 2w^2 + 4w - 400
Then use the quadratic equation where a=2, b=4, and c=-400.
w = <span>13.2
l = 30.4
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