Answer:
Putting the value of x = (5-i√5)÷5 in 5x²-10x+6=0.
We get,
⇒ 25 + (i√5)² - 10i√5 - 50 + 10i√5 + 30 = 0
⇒ (i√5)² + 5 = 0 {∵ i² = -1}
⇒ - 5 + 5 = 0
⇒ 0 = 0
Thus, (5-i√5) ÷ 5 is the solution of 5x²-10x+6=0.
Consider a metal cube of side length 10cm.
1 answer:
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The volume of the cylinder is between 5 and 6 gallons.
<h3>What is the volume of the cylinder?</h3>
A cylinder is a three-dimensional shape that is made up of a prism with a circular base.
Volume of a cylinder = nr^2h
Where:
- h = height
- n = 22/7
- r = radius
22/7 x 28 x (15^2) = 19,800 cubic centimeters
First convert the volume to liters = 19,800 / 1000 = 19.8
Now convert to gallons = 19.8 / 3.785 = 5.23 gallons
Please find attached the complete question. To learn more about to determine the volume of a cylinder, check: brainly.com/question/9624219
