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barxatty [35]
3 years ago
13

Suppose a railroad rail is 3 kilometers and it expands on a hot day by 20 centimeters in length. Approximately how many meters w

ould the center of the rail rise above the ground?
I aim having difficulty completing this question. Please help
Mathematics
1 answer:
siniylev [52]3 years ago
4 0

Answer:

sadfasdfasdfasdf

Step-by-step explanation:

asdfasdfasdfsadfsadfsadfsdfsdfsaf

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What is the image point of ( 4 , − 6 ) (4,−6) after a translation right 5 units and up 4 units?
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Answer:

(9,-2)

Step-by-step explanation:

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3 0
3 years ago
What is the range of the function graphed below?
PilotLPTM [1.2K]

Answer:

[-4,0) ∪ [2, ∞)

Step-by-step explanation:

For piecewise function domain and range, we need to understand the difference between "(" and "["  or  ")" and "]"

  • The parenthesis ( "(" and ")" ) are used for "open circles" in the graph.
  • The brackets ( "[" and "]" ) are use for "closed circles" in the graph.

Range is the set of y-values for which the function is defined.

Now,

The upper part of the function shows the graph going from y = 2 towards infinity (arrow). At y = 2 , there is closed circle, so this part range would be

[2, ∞)  (infinity is always with parenthesis)

Now, looking at bottom part, the function is defined from 0 (open circle) to -4 (closed). so we can write:

[-4,0)

This is the range, 2nd answer choice is correct.

[-4,0) ∪ [2, ∞)

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3 years ago
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Please answer this question
Ann [662]
9.9=9×9=81 and you have to multiply
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3 years ago
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