Answer:
Average speed = 9.91 m/s
Explanation :
Total distance covered by a runner = 200 m
Time taken to complete this distance = 20.19 sec
We need to find the average of runner speed in meter/sec
We use the speed, distance, time formula

speed = 
Average speed = 9.91 m/s
that's the final answer.
I hope it will help you.
Step-by-step explanation:
a)as a fraction 21/60 after we simplify its
= 7/20
as a decimal 21÷60
=0.35
in percentage; 0.35×100
=35%
b)0.18 as fraction 18/100
=9/50
ratio; 9:50
percentage:9/50×100%
=18%
c)82%as a fraction 82/100
=41/50
in ratio; 41:50
as a decimal: 82/100
0.82
Answer:
1. OG (with line on top)
2. MA (with line on top)
3. <O
4. <D
5. triangle ODG
6. triangle ADM
Step-by-step explanation:
Answer:
4(2a)+7(-4b)+(3•c•5)
8a -28b +(15*c)
Step-by-step explanation:
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