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Ronch [10]
3 years ago
10

The National Weather Service keeps track of the temperature for a given day in a given city. It also keeps track of this informa

tion at certain times during a given day. The following temperatures were recorded on a January day in New York City.
Time of Day
10 AM
12 Noon
2 PM
4 PM
6 PM
8 PM
10 PM
Temperature ((Degrees Fahrenheit))
30
35
36
36
34
30
28

Over which period(s) of time is the average rate of change zero? What, if anything, can you conclude about the actual temperature fluctuation within this period?
a.
The average rate of change of temperature is 0 from 2 PM to 4 PM; Nothing can be concluded about the actual temperature fluctuation.
b.
The average rate of change of temperature is 0 from 2 PM to 4 PM and also from 10 AM to 8 PM; Nothing can be concluded about the actual temperature fluctuation.
c.
The average rate of change of temperature is 0 from 10 AM to 8 PM; Nothing can be concluded about the actual temperature fluctuation.
d.
The average rate of change of temperature is 0 from 2 PM to 4 PM and also from 10 AM to 8 PM; The conclusion that can be drawn is that the temperature will not change for that time period.
Mathematics
1 answer:
postnew [5]3 years ago
6 0

Answer: b

Step-by-step explanation:

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Step-by-step explanation:

Given that,

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Let B is breadth of her board. 28 inches is perimeter. The perimeter of rectangle is given by :

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lianna [129]

Using relations in a right triangle, it is found that:

tan(A) = 3/4 = 0.75.

<h3>What are the relations in a right triangle?</h3>

The relations in a right triangle are given as follows:

  • The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
  • The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
  • The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

In this triangle:

  • The adjacent side to A has length 40.
  • The opposite side to A has length 30.

Hence the tangent of A is:

tan(A) = 30/40 = 3/4 = 0.75.

More can be learned about relations in a right triangle at brainly.com/question/26396675

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