What is the equivalent fraction for 0.0013
2 answers:
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Answer:
Error of Andrew: Made incorrect factors from the roots
Step-by-step explanation:
Roots of the polynomial are: 3, 2 + 2i, 2 - 2i. According to the factor theorem, if a is a root of the polynomial P(x), then (x - a) is a factor of P(x). According to this definition:
(x - 3) , (x - (2 + 2i)) , (x - (2 - 2i)) are factors of the required polynomial.
Simplifying the brackets, we get:
(x - 3), (x - 2 - 2i), (x - 2 + 2i) are factors of the required polynomial.
This is the step where Andrew made the error. The factors will always be of the form (x - a) , not (x + a). Andrew wrote the complex factors in form of (x + a) which resulted in the wrong answer.
So, the polynomial would be:
Answer:
Jessica had 32 candies at the beginning.
Step-by-step explanation:
Let the number of candies Jessica had at the beginning be .
Candies gives to Judy = .
Now, candies left with Jessica is .
Candies given to Reggie is of
.
∴ Candies with Reggie is .
Candies left with Jessica after giving to Reggie = .
Now, Jessica lost 75% of what she had left. So, 75% of .
∴ Candies lost =
Now, candies left with Jessica = .
As per question,
Candies left with Jessica at last is 4. So,
Hence, Jessica had 32 candies at the beginning.