Answer:
8 hours and 54 minuter
Step-by-step explanation:
1 hour is equal to 60 minutes
we have 8 hours and 0.9 hours
0.9*60=54 minutes
we have 8 hours and 54 minuter
The last one
First you need to figure out how many minutes are in 0.1 hours
you can do this by dividing 60 minutes by 10
you get 6
multiply 6 and 9 so that you can find out how many minutes 0.9 hours are
this leaves you with 54 minutes
so your answer is 8 hours and 54 minutes
A
do the reverse of pie r squared
The value of x
Is -3 i think soooooo
Answer: 7 I think its adding but if its multiplying it is 12
k. e. = 1/2 mv^2
100 = 1/2 * m * 5^2
100 = 1/2 * m * 25
m = 100* 2/25
m = 8 kg
hope it helps you