<span>Let x = time (minutes) it takes for the faster computer to do the job alone
then
12(1/30 + 1/x) = 1
</span><span><span>multiplying both sides by 30x:
12(x + 30) = 30x
12x + 360 = 30x
360 = 18x
20 minutes = x
</span><span>
</span></span>
Step-by-step explanation:
for the same arc, the angle at the circumference of the circle is half of the angle at the center of the circle.
and the arc angle is normally representing the angle at the center of the circle.
therefore, the
angle ACB = arc angle AB / 2 = 80/2 = 40°
so, B is the right answer.
Step-by-step explanation:
A famer wants to divide 8085 ha of grazing into 9 or 15 cramp of equal size
Answer:
That depends on the growth rate, which isn't given. Assuming Barney earns $24.75 every three hours, he would have earned about $2,588 after 20 hours had passed.
Step-by-step explanation:
Set up exponential growth equation
Calculate