Using the mean concept, it is found that on average, it takes him 11.9 seconds to run a 100 yard dash.
<h3>What is the mean?</h3>
The mean of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.
In this problem, the three observations are given by:
12.7 s, 11.2 s, 11.8 s.
Hence the mean is:
M = (12.7 + 11.2 + 11.8)/3 = 11.9.
On average, it takes him 11.9 seconds to run a 100 yard dash.
More can be learned about the mean of a data-set at brainly.com/question/24628525
#SPJ1
7m+2n=21
-7m -7m
<u>2n</u>=<u>21-7m</u>
2 2
n=<u>21-7m
</u> 2
<u>
</u>10m+4(21-7m/2)= -10
<u />-10m -10m
4(21-7m/2)= -10-10m
(84-28m/2)= -10-10m
x2 x2
84-28m = -20-20m
+20+28m +20+28m
<u>104</u> = <u>8m
</u>8 8
m=13
10(13) + 4n = -10
-130 -130
<u>4n</u> = <u>-140
</u>4 4
<u>
</u>n= -35
If anything is unclear please feel free to ask.
Answer:
yes
Step-by-step explanation:
gay by gay
A common denominator of 6 and 4 is 12. That is the Least Common Denominator, the LCD. In 12 days it would be the 27th of February. There you go.
Answer: $c divided by 8
Step-by-step explanation:
