11. Find the coordinates of the point located six units behind the yz- plane, seven units to the right of the xz - plane, and ei
ght units above the xy-plane. O x = -6, y = 7, z =-6 O x = -6, y = 7, z = 8 Ox=7, y = 7, z = 8 O x = 6, y= 7, z = 8
1 answer:
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Answer:
Side of 22 and height of 11
Step-by-step explanation:
Let s be the side of the square base and h be the height of the tank. Since the tank volume is restricted to 5324 ft cubed we have the following equation:
As the thickness is already defined, we can minimize the weight by minimizing the surface area of the tank
Base area with open top
Side area 4sh
Total surface area
We can substitute
To find the minimum of this function, we can take the first derivative, and set it to 0
Answer:
inches
Step-by-step explanation:
From the diagram, it is given that the triangle is a right angle isosceles triangle (angles are 45°, 45° and 90°). This means that the two shorter sides of the triangle are equal in length and that the side can be found by using the Pythagorean theorem
.
(The two shorter sides of the triangle are equivalent)
inches
I hope this helps :)