Answer:
10) 95π/6 ft
12) 39π/4 ft
Step-by-step explanation:
10) 2π * 19 * 150/360 = 95π/6 ft
12) 2π* 13 * (3π/4)/(2π) = 39π/4 ft
200,000 milligrams is equivalent to 200 grams.
The grandson is 9 years old.
This would mean that the grandpa is 54.
9x6=54
54/6=9
Answer:
2100
Step-by-step explanation:
Answer:
6 : 1
Step-by-step explanation:
b - 3a / 9 = a /3
Cross multiply
3(b - 3a) = 9a
Expand
3b - 9a = 9a
Add 9a to both sides
3b = 9a + 9a
3b = 18a
Divide both sides by 3
b = 6a
Ratio of a : b
6 : 1
