Answer:
0.36666 etc
Step-by-step explanation:
11/30
The volume of the cylinder will be 621.72m³.
<h3>How to calculate the volume?</h3>
Thw volume of a cylinder will be:
= πr²h
= 3.14 × 3² × 22
= 621.72 m³
The volume of the cone will be:
= 1/3πr²h
= 1/3 × 3.14 × 2² × 12
= 25.12m³
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Using a graphic tool.
<span>see attached graphic</span>
<span>
the solutions are
x1=-2
x2=0.811
</span>check
for x=-2
x^4+3x^3+3x2-3x-4
(-2) ^4+3(-2) ^3+3(-2) ^2-4=16+(-24)+12-4=0 ok
For x=0.811
(0.811) ^4+3(0.811) ^3+3(0.811) ^2-4=0.4326+(1.6002)+1.9731-4=0 ok
Answer:
615.44 units squared
Step-by-step explanation:
Let the volume and surface area of the sphere be V and S respectively.

Perimeter of a rectangle = 2(l+w)
Length = 4-7(3x+4y)
=4-21x-28y
Width = 3x(-2y)
=-6xy
Perimeter
=2(4-21x-28y-6xy)
Answer = 8-42x-56y-12xy