Answer:
volume=πr²h
75.36=<u>2</u><u>2</u><u>×</u>3×3×h
7
75.36=<u>198×</u>h
7
7×75.36=<u>198×h×7</u>
7
<u>527.52</u>=<u>197×</u>h
197. 197
h=2.68
The sides could be 10.2 inches or 15.7 inches.
See the attached picture for the equations:
Answer: 9 + 2/x - x = -19
Math:
Well, you know that 12 inches goes into 1 foot.
So, let's start with just making everything into inches.
4 feet * 12 = 48+2 = 50 inches.
3*12 = 36 inches + 7 = 43 inches.
50 - 43 = 7.
Your answer:
7 inches.