The perimeter of the shape would be 651 cm
Focus of a parabola:
where vertex (h,k) p is the distance from vertex to focus
Answer:
4
Step-by-step explanation:
at x=3
since x=3 means x>= 1
use x+1 = 3+1=4
The picture in the attached figure
Part 1) <span>
What is the total area of the swimming pool?</span>
we know that
<span>area of the swimming pool=area rectangle-area semi circle
area rectangle=20*36-----> 720 ft</span>²
area semicircle=pi*r²/2
r=18/2----> 9 ft
area semicircle=pi*9²/2----> 127.17 ft²
area of the swimming pool=720 ft²-127.17 ft²----> 592.83 ft²
the answer Part 1) isThe area of the swimming pool is 592.83 ft²Part 2) <span>What is the perimeter of the swimming pool?
</span>
perimeter of the swimming pool=perimeter of rectangle-18 ft+perimeter semi circle
perimeter of rectangle=2*[20+36]---> 112 ft
perimeter semi circle=2*pi*r/2----> pi*r
r=9 ft
perimeter semi circle=pi*9----> 28.26 ft
so
perimeter of the swimming pool=112 ft-18 ft+28.26 ft----> 122.26 ft
the answer Part 2) is122.26 ft
Answer:
<h2>A cone: B. V = 100.48 cubic units</h2><h2>A cylinder: C. V = 301.44 cubic units</h2>
Step-by-step explanation:
The formula of a volume of a cone:
<em>r</em> - radius
<em>H</em> - height
We have <em>r = 4 u</em> and <em>H = 6 u</em>. Substitute:
If the cylinder has the same radius and height as a cone, then the volume of the cylinder is three times larger than the volume of the cone.
Therefore, the volume of acylinder:
Why?
The formula of a volume of a cone:
The formula of a volume of a cylinder:
Therefore
If the radius and height are the same.