A machine stamps 360 metal parts in 15 minutes. Find the unit rate in parts per hour.
1 answer:
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</h2><h2>ANSWER</h2><h2>
</h2><h3>EXPLANATION</h3>
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Step-by-step explanation:
We have,
If a quadratic equation with real coefficients has a discriminant of -36.
The general form of quadratic equation is :
The discriminant of this equation is :
If D=0, it will have 1 real roots
If D>0, it will have 2 real roots
If D<0, it will have no real roots
We have,
D = -36 < 0, so, the quadratic equation will have no real roots.