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inna [77]
3 years ago
6

(1 point) a study of 12,000 able-bodied male students at the university of illinois found that their times for the mile run were

approximately normal with mean 7.11 minutes and standard deviation 0.74 minute. choose a student at random from this group and call his time for the mile y.
Mathematics
1 answer:
Artist 52 [7]3 years ago
8 0
Jwwii22iqj2 with each week end with what questions qw
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Which process contributes to the formation of tornados? a. water droplets freeze, giving off energy b. the storm begins to rotat
Mashutka [201]

Answer:

D. A cold, dry air mass interacts with a warm, moist air mass.

Step-by-step explanation:

Tornadoes are very scary and kind of cool to look at. They have a great scientific reason behind them which we can easily understand.  First, a funnel cloud forms that reaches down to the ground (you probably have seen this in video as a cloud that is heavily densed and circling). Then , warm air rises, resulting in a decrease in air pressure and finally, a cold, dry air mass interacts with a warm, moist air mass.

6 0
3 years ago
5-(8v+5)= -4(1 + 3v)
Lilit [14]
5-(8v+5) = -4(1+3v)
5-8v-5 = -4 - 12v
-8v = -4 - 12v
4v = -4
v = -1
8 0
3 years ago
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An equilateral triangle and a square have the same perimeter. One side of the triangle measures 28 units. What is the area of th
Anestetic [448]
The perimeter of a triangle assuming that all the sides are the same, would be 3 multiplied by 28 to get 84. Since the perimeter of the square is the same, that would mean that 84 units is the total addition of the 4 sides of the square. So divide 84 by 4 to get the length of one side ( which is 24 units). 
Finally, the area of a square is defined as two sides multiplied by each other, so 24 multiplied by 24. 
Hope this helps. 
7 0
4 years ago
Need help please guys.
KengaRu [80]

Answer: x= 21.6

Step-by-step explanation:

12^2  + 18^2  =x^2

144 + 324 =x^2

468  = x^2

c=  21.633  

To the nearest tenth place  is c= 21.6

3 0
3 years ago
Read 2 more answers
What is the solution to the equation below? Round your answer to two
gtnhenbr [62]

Answer: B

Step-by-step explanation:

In order to isolate 'x', we can use the number 'e' to cancel the natural log. The 'e' will cancel the natural log because they are inverse to each other:

e^l^n^(^x^)=e^-^3

x=e^-^3=\frac{1}{e^3} =0.049787

7 0
2 years ago
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