What is the percent of change? initial value:30 final value:180
2 answers:
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Answer:
hours per day
Step-by-step explanation:
Given,
Distance = 192 miles
Rate = 9.6 miles per hour
Lets find her total time of riding by using Distance Formula ( D = RT ).
D = RT
192 = 9.6T
T = 192/9.6
T = 20 hours
Total time she needs to meet goals is 20 hours.
There are 7 days in a week and she plans to ride same hours each day, so that will be:
20/7 hours per day
Step-by-step explanation:
The equation used to determine the amount of radioactive material left is
We are have the following given quantities:
t = 30 seconds
= 50 grams
HL = 6 seconds
Plugging these into our equation we get