Answer:
-7
Step-by-step explanation:
Answer:
Volume= 268 ft³
Step-by-step explanation:
Volume of sphere=4/3 pie r^3
Diameter =8 ft
⇒Radius = 4 ft
V= 4/3×3.14×4³
v=268
Answer:
19 ft by 38 feets
Step-by-step explanation:
Given that :
Available fencing = 76 feets
Rectangular fencing with 3 sides
Let the 3 sides be :
x, x, y
x + x + y = 2x + y = 76
y = 76 - 2x
Area = x * y = xy
Area = (76 - 2x) * x
Area = 76x - 2x²
Take derivative of Area with respect to x ; dA
dA /dx = 76 - 4x = 0
76 - 4x = 0
-4x = - 76
x = 76 / 4
x = 19
2x + y = 76
2(19) + y = 76
38 + y = 76
y = 76 - 38
y = 38
Hence, dimension : 19feet by 38 feets
Answer:
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Do you have a picture, I need one to help you, otherwise I can’t.
