Answer:
157 in(3)
Step-by-step explanation:
Answer:
10 - 3n = 31
n = -7
Step-by-step explanation:
10 - 3n = 31
-3n = 31 - 10
-3n = 21
n = 21/-3
Answer:
Radius: 8.5 inches
Area ≈ 226.98
Circumference ≈ 53.42
Step-by-step explanation:
2πr = formula for circumference of a circle
πr² = formula for area of a circle
radius of a circle = (1/2)d
Answer: Surface area of the cone is 40.85cm^2
Step-by-step explanation:
1. Set up long addition.
5 2
+1 9
______
2. Calculate 2+ 9, which is 11.
Since 11 is two-digit, we carry the first digit 1 to
the next column.
1
5 2
+1 9
_____
1
3. Calculate 5+1, which is 6. Now add the
carry digit of 1, which is 7.
1
5 2
+ 1 9
______
7 1
4. Therefore, 52 + 19 = 71.
71