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VMariaS [17]
3 years ago
14

Can someone answer this please Questions 19 and 21

Mathematics
1 answer:
Olegator [25]3 years ago
3 0

Answer:

Wind speed

Another very old approach to measure wind speed is through the use of a pressure tube

Microbars per second

Earthquake intensity

The currently accepted method is the moment magnitude scale, which measures the total amount of energy released by the earthquake.

The Richter scale is used to determine the intensity of earthquakes

Step-by-step explanation:

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Answer:

Step-by-step explanation:

-6 - (-9)

1) Remove parentheses

-6 + 9

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See attachted image for rules of positive and negative integers.

Source: YourDictionary

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Which values of x are solutions to the inequality?
Blababa [14]

Answer:

B. x=-210

D. x=-201

Step-by-step explanation:

Given:

The inequality for 'x' is given as:

x

The above inequality tells us that, the value of the variable 'x' is less than -200.

-200 is a negative number. So, for a negative number, the larger the value of the number, the smaller the number is.

Example: -2 is less than -1 although 2 has a greater magnitude than 1.

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So, the values of 'x' that satisfy the given inequality are -201 and -210

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Read 2 more answers
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