3) A skier traveled downhill at a rate of 12 feet per second. If he started at an elevation of 1,200 feet, what is his elevation
2 answers:
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Answer:
hi
Step-by-step explanation:
firstly we must divide the shape like this
and the area of first rectangular is 27 m²( 9m × 3m)
then second rectangular's area is 48m²( 12m × 4m and we found 4m from 9-5)
the third rectangular's area is 10 m² ( we found it from 9-4)
Total is 27+48+10=85 m²
hope it helps
have a nice day
Answer: Fourth Option:
<em>"A tree with a height of 6.2 ft is 3 standard deviations above the mean"</em>
Step-by-step explanation:
It is said that an X value is found Z standard deviations from the mean mu if:
In this case we have that:
We have four different values of X and we must calculate the Z-score for each
For
This means that: <em>A tree with a height of 5.4 ft is 1 standard deviation </em><em>above </em><em>the mean</em>
First Option: False
For
This means that: <em>A tree with a height of 4.6 ft is 1 standard deviation </em><em>below </em><em>the mean</em>
Second Option: False
For
This means that: <em>A tree with a height of 5.8 ft is </em><em>2 </em><em>standard deviation </em><em>above</em><em> the mean</em>
Third Option: False
For
This means that: <em>A tree with a height of 6.2 ft is 3 standard deviations </em><em>above</em><em> the mean.</em>
Fourth Option: True