Answer: 1/8
Step-by-step explanation:
Concept
Reciprocal is any number that is reverse to the given value. This means the original number times the reciprocal will equal 1. For a more graphical explanation, please refer to the attachment below.
Solve
8×(x)=1
x=1/8
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The new perimeter will be 3 times the old perimeter.
Original perimeter:
2(8+7) = 2(15) = 30 yds
New perimeter once they are tripled:
3 x 8 = 24
3 x 7 = 21
2(24+21) = 2(45) = 90 yds
30 x 3 = 90
The actual length of the row can be calculated by the concept of ratio and proportion. Using the scaling of the garden plot given in this item and the length of the row in the drawing,
L = (3 in)(17 ft / 2 in)
Simplifying,
<em> L = 25.5 ft</em>
The answer to this item is 25.5 ft.
Answer:

Step-by-step explanation:
We are given the following in the question:
The organizers estimate that the variation in distance flown by the athletes will be σ = 10 meters.
This will be stated by the null hypothesis.

It was claimed that the organizers are underestimating the variation and the variation in distance is greater than 10.
This will be stated by the alternate hypothesis.

The parameter for the given hypothesis is standard deviation,
.