Answer:
129.5 seconds.
Step-by-step explanation:
C = 3.14 (450)
= 1413
1413 (.40) = 565.2
562.5 + 300 + 300
= 1165.2
1165.2 / 9
= 129.5 seconds.
Feel free to let me know if you need more help! :)
Answer:
9.27•10^5
Step-by-step explanation:
Answer:
D. 3/19
Step-by-step explanation:
12/1 = 12
12/2 = 6
12/3 = 4
These are the only ones that make the equation true.
There are also only 19 numbers because they need to be less than 20 like the question indicated. Therefore, the answer is D.
The answers are listed in my picture, hope this helps!!