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rex12388
12.03.2020 •
Mathematics
The volume of a cone is 88 PI cubic feet. Its height is 6 feet. Singha is finding the diameter of the base of the cone. Her work is shown below.
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Ответ:
88 PI = PI r^2 6/3
44=r^2
6.63= r
d=13.26
Step-by-step explanation:
Ответ:
1. A
2. A
3. C
4. A
5. B
6. C
7. C
Step-by-step explanation:
1. They fail to distribute the 3, between steps 1 and 2.
2. 2x + 10 = 20 --- 2x = 10 --- x = 5
3. 4x + 10 = 70 --- 4x = 60 --- x = 15
4. 74b + 47 = 29 --- 74b = -18x --- b = -0.24
5. 62c + 86 = 32 --- 62c = -54 --- c = -0.87
6. (3/5)n + 3 = 18 --- (3/5)n = 15 --- n = 25
7. (self explanatory; let me know if you have questions!)