Answer:
4 < x < 14
Step-by-step explanation:
................
Answer:
60
Step-by-step explanation:
x + 0.30x = 78
1.30x = 78
x = 60
Start by dividing both sides by two to get 3 = y + 2. then subtract two from both sides to get y = 1.
Answer:
The roots are
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Step-by-step explanation:
9x² + 54x + 82 = 0
Using the quadratic formula
That's
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From the question
a = 9 , b = 54 , c = 82
Substitute the values into the above formula and solve
That's
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Separate the real and imaginary parts
That's
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We have the final answer as
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Hope this helps you