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Lady_Fox [76]
3 years ago
10

The average daily high temperature in Madrid peaks at 92°F in the summer and drops as low as 33°F in the winter. The temperature

can be modeled by T (d) = 29.5 cosine (StartFraction 2 pi Over 365 EndFraction (d minus 204) ) + 62.5, where d represents the day number of the year (January 1 is 1, January 2 is 2, and so on). How many days during the year is the high temperature expected to be 75°F or above?

Mathematics
2 answers:
mario62 [17]3 years ago
7 0

Answer:

C) 131

Step-by-step explanation:

It wants us to find how many days out of the year that the temperature goes above 75 degrees Fahrenheit.

To do this, I set the y value equal to 75 (it should be y\geq 75, but I thought it'd be easier to see this way).

From there, you can easily visualize the days that were above and 75 degrees.

It's just simple subtraction from here:

269-138=131

Idk why I chose to help you guys when I have a bunch of work to do, but it let me get my mind off school work for a brief amount of time. I hope this still helps you guys even after two weeks. <3

diamong [38]3 years ago
4 0

Answer:

139

Step-by-step explanation:

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Pavlova-9 [17]

Answer:

x = 24/15 = 8/3 = 2 2/3

Step-by-step explanation:

remember what you do to the left you must do to the right.

I converted the -5 to -15/3 so I could easily add or subtract

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multiply both sides by -3/5 to cancel the coefficient of the x

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3 years ago
What value, written as a decimal, should lena use as the common ratio? 1.0 1.5 2.5 2.0
mariarad [96]

The Lena has no common ratio for the sequence 1.0 1.5 2.5 2.0

According to the question,

1.0  1.5  2.5  2.0

a = 1.0

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r = 2.5/1.5 = 1.6667

r = 2/2.5 = 0.8

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Hence,  the Lena has no common ratio for the sequence 1.0 1.5 2.5 2.0.

Learn more about common ratio here

brainly.com/question/17137226

#SPJ4

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