50% of $55 = $27.50
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Answer:
I asked my teacher if we could use that she said it's considered cheating, I still use it
Step-by-step explanation:
I'm not sure I understand the question. Is this worded correctly?
Answer:
x squared plus two times x minus one = zero.
Step-by-step explanation:
(This is a Quadratic equation in the variable x).
30 x 30 = 900
This is the surface area of one side
900 x 6
Multiply by 6 to get the surface area of all 6 sides of the cube
900 x 6 = 5400