I had 3 apples I eat two how many I had left
2 answers:
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Using<u> rounding concepts</u>, it is found that the error interval for n is:
The number is rounded to two decimal places, hence:
- If the third decimal digit is 5 or more, one is added to the second decimal digit.
- If the third decimal digit is of 4 or less, the second digit stays the same.
From this, we have that values between 3.865(inclusive) and 3.875(exclusive) are rounded to 3.87, which means that the error interval is:
A similar problem is given at brainly.com/question/21406226
For this case we have that by definition, the quadratic formula is:
A quadratic equation is of the form:
Option A: This equation can be solved without the quadratic formula
Option B:
This equation is not as easy to solve by factoring or as option A. We can use the quadratic formula.
Option C:
Similarly, this equation can be solved with the quadratic formula
Option D:
In this factored equation we can see that the roots are
Answer:
Option B, C