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3 years ago

A model of an airplane is 8 inches long. If the actual airplane is 32 feet, find the scale of the model.

Mathematics

2 answers:

algol [13]3 years ago

6 0

So the answer is c!!!!!

frozen [14]3 years ago

4 0

The most appropriate answer is C !!

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A company interested in lumbering rights for a certain tract of slash pine trees is told that the mean diameter of these trees i

brilliants [131]

Answer:

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12 inches

Standard Deviation, σ = 2.2 inches

We are given that the distribution of diameter of tree is a mound shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(diameters between 7.6 and 18.6 inches)

$P(7.6 \leq x \leq 18.6) = P(\displaystyle\frac{7.6 - 12}{2.2} \leq z \leq \displaystyle\frac{18.6-12}{2.2}) = P(-2 \leq z \leq 3)\\\\= P(z \leq 3) - P(z < -2)\\= 0.999 - 0.023 = 0.976= 97.6\%$

$P(7.6 \leq x \leq 18.6) = 97.6\%$

97.6% of the trees will have diameters between 7.6 and 18.6 inches.

8 0

3 years ago

Simplify the ratio of 35:14

Shalnov [3]

Step-by-step explanation:

35 : 14

Divide by 7

5 : 2

We cannot divide it further so the answer is 5 : 2

3 0

3 years ago

Convert <br> 36 cm/s to mph

Anton [14]

0.805 mph equals 36 centimeters/seconds

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3 years ago

On the school playground, the slide is due west of the tire swing and due south of the monkey bars. If the distance between the

FinnZ [79.3K]

Answer:

Step-by-step explanation:

Draw a picture!

You get a right triangle with hypotenuse = 20 ft and horizontal leg = 12 ft

Use the Pythagorean Theorem to find the length of the vertical leg:

vertical leg = √(20²-12²) = √256 = 16 ft

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3 years ago

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galben [10]

Add all of the numbers also add me on snap ava425

6 0

3 years ago

Read 2 more answers