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vvaallww
23.06.2019 •
Mathematics
10 ptsif the area of the frame was 64 inches², what would be 2 possible sets of dimensions that could be used to make a frame with that area? set 1: set 2: show your work/explain your thinking:
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Ответ:
Possible dimensions are 16 × 4 inches and 32 × 2 inches.
Step-by-step explanation:
We are given that,
Area of the frame = 64 inch² = Length × Width
Now, we have that 64 can be factored as,
64 = 32 × 2
64 = 16 × 4
64 = 8 × 8
Since, the frame is in a rectangular shape. So, we reject the possibility of 8 × 8 inches frame.
Thus, the possible dimensions are,
Set 1: 16 × 4 inches
Set 2: 32 × 2 inches.
Ответ:
volume cone = 1/3 pi r^2 h
volume cylinder = pi r^2 h
Step-by-step explanation:
1. Volume = 1/3 x pi x r^2 x h = 12 X pi
2. 100 pi = 1/3 x pi x r^2 x 12
r^2 = 25
r = 5 cm
3. volume = pi x 16 X 5 = 80 pi cubic meters
4. 400 pi = pi x r^2 X 4
r^2 = 100
r = 10 yards