21 is 35% of what number (shown work)
2 answers:
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Answer:
The roots are
<h3>Step-by-step explanation:
9x² + 54x + 82 = 0
Using the quadratic formula
That's
<h3>From the question
a = 9 , b = 54 , c = 82
Substitute the values into the above formula and solve
That's
<h3>Separate the real and imaginary parts
That's
<h3>We have the final answer as
<h3>Hope this helps you