A weightlifter is using a weightlifting bar that weighs 45 pounds. If x represents the amount of weight that the weightlifter pu
ts on the bar and y represents the total amount that the weightlifter lifts, with the weight of the bar included, which of these functions models this situation
2 answers:
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- Length=8cm
- Breadth=16cm(Height)
Area:-
SA = 2+2
1. Find the radius.
R = 1/2D
6 x 1/2 = 3
R = 3
2. Plug them in.
SA 2(3.14)(3)(7) + 2(3.14)(3^2)
3. Solve
3 x 7 = 21
21 x 3.14 = 65.94
65.94 x 2 = 131. 88
3^2 = 9
9 x 3.14 = 28.26
28.26 x 2 = 56.52
4. Add them together.
131.88 + 56.52 = 188.4
Answer: 188.4 square millimeters