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Readme [11.4K]
4 years ago
14

Find the Mean Absolute Deviation. (71, 80, 63, 91, 77, 85)

Mathematics
1 answer:
Finger [1]4 years ago
3 0

Answer:

7.5

Step-by-step explanation:

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I want to pour a concrete slab in my backyard with an area of 370 ft2 to put a basketball goal. If the length of the slab is 23
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A=lw A=370 l=6w-23
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6w^2-23w-370
Works out to
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or
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4 years ago
An escalator from the ground floor to the second floor of a department store is 110 ft long and 32 ft vertical. What is the esca
grigory [225]

Answer: 16.91°

Step-by-step explanation:

1. You can draw a right triangle as you can see in the figure attached.

2. Then you can calculate the angle of elevation (α) as following:

\alpha=arcsin(\frac{opposite}{hypotenuse})

Where:

opposite=32\\hypotenuse=110

3. Now you must substitute these values. Then, the angle of elevation is:

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\alpha=16.91\°

4 0
4 years ago
A length of rope is stretched between the top edge of a building and a stake in the ground. The rope also touches a tree halfway
alexgriva [62]
The answer is 18 ft because 36 divided by 2 is 18
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Step-by-step explanation: 2.70/90=0.03.

5 0
3 years ago
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