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Naya [18.7K]
3 years ago
10

To control pollination, pollen-producing flowers are often removed from the top of corn in a process called detasseling. The hou

rly rates for detasselers in Iowa are roughly normally distributed, with a mean of $12/hr and a standard deviation of $2/hr. The probability of a detasseler making less than $17/hr is ≈ WHAT NUMBER %
Mathematics
2 answers:
Ivan3 years ago
8 0

Answer:

z13 = 0.5, z17 = 2.5

Step-by-step explanation:

coldgirl [10]3 years ago
8 0

Answer:

c on edg

Step-by-step explanation:

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Haben knows that the angle of elevation from the top of a rock formation to a stake in the ground 50 feet from its base is 42°.
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Answer:

The height of the rock formation is 45.02\ ft

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

tan(42\°)=h/50

solve for h

h=50*tan(42\°)=45.02\ ft

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If the area of the blue square is 144 units2 and the area of the pink square is 1225 units2, then the length of the hypotenuse i
navik [9.2K]

Answer: 37 units

Step-by-step explanation:

Blue=144units^2 This also works as the height of the triangle.

Pink=1225units^2 This also works as the base of the triangle.

Let's call pink ''a'', and blue ''b''. The side we're looking for ''c'' is the hypothenuse.

To find the values of a and b, use the area formula of a square and solve for a side. In this case, since we're going to need the squared values, this step can be omitted.

Formula: A=s^2

s=\sqrt[]{A}

Let's work with Blue.

s=\sqrt[]{144units^2} \\s=12units

Now Pink.

s=\sqrt[]{1225units^2}\\s=35units

So we have a triangle with a base of 35 units and a height of 12 units.

Now let's use the pythagoream's theorem to solve.

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