Answer:
Step-by-step explanation:
volume of cylinder = πr²h = π(5²)(16) ≅ 1256 cm³
volume of cone = ⅓πr²h = ⅓π(3²)12 ≅ 113.04 cm³
volume of air space = 1256 - 113.04 = 1143.96 cm³
Answer: 6
Step-by-step explanation:
Two negatives make a positive, -42/-7 would be 6. The same as a normal 42/7
1.5/36 = 0.5/12 or if u simplify it more... 1/24
So first lets do the fraction: 68/80. This is probably the most simple part, but if you want to simplify it you could go all the way down to 17/20.
For decimalthen you divide 68 by 80, and that is .85! Then to get your percentage, you multiply it by 100 and end up with 85%.
Percent: 85%
Fraction: 68/80 or 17/20
Decimal: 0.85
Hope this helps!
Answer:
-20x / (x-12) = y
Step-by-step explanation:
3/x - 5/y = 1/4
Multiply each side by 4xy to clear the fractions
4xy ( 3/x - 5/y = 1/4)
Distribute
12y - 20x = xy
Subtract 12y from each side
-20x = xy -12y
Factor out y
-20x = y(x-12)
Divide each side by (x-12)
-20x / (x-12) = y
