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MrMuchimi
3 years ago
10

Daily Question: Statistics

Mathematics
1 answer:
harkovskaia [24]3 years ago
8 0

Answer:

The average is about 90.

Step-by-step explanation:

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A road crew must repave a road that is 45 miles long. they can repave 120 miles each hour. how long will it take the crew to rep
Nostrana [21]
<span>120 miles----------------------1 hour.
45 miles ----------------------?? x hours 

x=  45 / 120 = 0.375 hours 


</span>
7 0
4 years ago
A rectangular box is constructed in 3-space with one corner at the origin and other vertices at (1, 0, 0), (0, 4, 0), (0, 0, 2).
77julia77 [94]

The space diagonal will have length ...

... d = √(1² +4² +2²) = √(1 +16 +4) = √21

_____

This can be found using the Pythagorean theorem. A drawing can help. Find the length of any face diagonal, then use that length as the leg of a right triangle whose hypotenuse is the space diagonal and whose other leg is the edge length not used in the first calculation.

7 0
3 years ago
Help?? I seriously don’t understand?
Anvisha [2.4K]

Answer:

A

Step-by-step explanation:

3(x-2)

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30

7 0
3 years ago
Use the graph of the function to find f(-2)
lesya692 [45]

Answer:

Answer D:  f(-2) = 2

Step-by-step explanation:

To evaluate f(-2) we need to find what is the y-value that the graph shows for the x-value "-2".

To find such, we look for the value x = -2 on the horizontal (x) axis (located two units to the left of the origin of coordinates (0,0)), and from there, we investigate at what y-value (value on the vertical y-axis) a line that follows the vertical grid passing through x = -2, intercepts the graph of the function.

That is pictured with a red dot in the attached image. Notice that the y-value at which such intersection occurs is y = 2.

Therefore f(-2) = 2

4 0
3 years ago
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kumpel [21]
The answer is A
The answer is A

4 0
3 years ago
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