Answer:
The answer is 1238
Step-by-step explanation:
10 pesos for 1 dollar
so
30 pesos = 10x3 = 3 dollars
so
z dollars = 10z pesos
answer
10z
Answer: 4.5
Step-by-step explanation:
A half is 0.5 as a decimal. So:
4 + 0.5 = 4.5
Multiply everything to get 90, because for every option, you multiply that one with the other.
The length of the curved surface is the circumfrence of a circle with radius r = 10/2 = 5 decimeters.
Length of curved surface = 2π x 5 = 10π ≈ 31.4 decimeters.