Chicago, Illinois has an elevation of 600 feet. Seely, California is -200 feet. What does 0 represent in the context of this sit
2 answers:
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Answer:
First image attached
The error was done in Step E, because student did not multiply by the negative sign in numerator. Step E must be
.
Second image attached
The error was done in Step C, because the student omitted the of the algebraic identity
. Step C must be
Step-by-step explanation:
First image attached
The error was done in Step E, because student did not multiply by the negative sign in numerator. The real numerator in Step E should be:
Hence, Step E must be .
Second image attached
The error was done in Step C, because the student omitted the of the algebraic identity
. Step C must be
And further steps are described below:
Step D
Which according to the Quadratic Formula, represents a polynomial with complex roots. That is: (,
,
)
(Conjugated complex roots)
Step E
Step F
Answer:
$ 800
Step-by-step explanation:
Parking slot is in the shape of parallelogram.
base = 3 m
Height = 6 2/3 m
Area = base * height
Cost of paving the parking spot = 20 * 40
= $ 800