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sp2606 [1]
1 year ago
9

To predict volcanic eruptions scientists may use a seismograph to detect small earthquakes out of the 169 active volcanoes in th

e U.S. about 130 are in Alaska. About how many active U.S. volcanoes are not is Alaska?
Mathematics
2 answers:
UNO [17]1 year ago
8 0

Answer:

39 active volcanoes.

Step-by-step explanation:

Subtract 169 (whole) from 130 (part). 9 - 0 = 9, 6 - 3 = 3, and 1 - 1 = 0. Therefore, 169 - 130 = 39

slava [35]1 year ago
6 0
39 (169-130) - a simple subtraction
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Answer:

The correct option is D.

Step-by-step explanation:

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If the slope of a line is undefined it means it is a vertical line and a vertical line  can not passes through three quadrants. So, option A is incorrect.

If the slope of a line is 0 it means it is a horizontal line and a horizontal line  can not passes through three quadrants. So, option B is incorrect.

If the slope of a line is positive it means the value of y increases as x increases.

Since it is an increasing line, therefore after a certain period both x and y will positive. It means the line will passes through first quadrant. So, option C is incorrect.

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2 years ago
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TiliK225 [7]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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7 0
2 years ago
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