1. (5 pts). A coin is flipped 4 times.
1 answer:
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Answer:
27.27%
Step-by-step explanation:
Given that,
Initial price = 11
Final price = 8
We need to find the percentage change in the price. It can be calculated as follows :
% = [(final-initial)/initial] × 100
So,
So, the percentage decrease is 27.27%.
Answer:
It took the cell phone 4.15 seconds to reach the ground
Step-by-step explanation:
The formula is , where t is the time and h is the height
The height of that the cell phone dropped from it is 275 feet above the ground
∴ h = 275
- Substitute the value of h in the formula to find t
∵
∴
- Change it to decimal
∴ t = 4.15 seconds to the nearest 2 decimal places
It took the cell phone 4.15 seconds to reach the ground
5- 12 centimeters is equal to 0.12 m:
the last one is true
6-
the second one is true
the last one is true
6-
the second one is true