The point plotted on the number line is What is the approximate value of x? 04 O 9 O 17 O 20
1 answer:
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Answer:
Step-by-step explanation:
We have been given that a series of 3 separate, adjacent tunnels is constructed through a mountain. Its length is approximately 25 kilometers.
Each of the three tunnels is shaped like a half-cylinder with a radius of 5 meters.
Since we know that volume of a semicircular or a half cylinder is half the volume of a circular cylinder.
, where,
r = Radius of cylinder,
h = height of the cylinder.
Upon substituting our given values in volume formula we will get,
Therefore, the volume of earth removed to build the three tunnels is .
Answer: x = -3
set them equal to each other and reverse pemdas as shown in my image
set them equal to each other and reverse pemdas as shown in my image