Answer:
independent: day number; dependent: hours of daylight
d(t) = 12.133 +2.883sin(2π(t-80)/365.25)
1.79 fewer hours on Feb 10
Step-by-step explanation:
a) The independent variable is the day number of the year (t), and the dependent variable is daylight hours (d).
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b) The average value of the sinusoidal function for daylight hours is given as 12 hours, 8 minutes, about 12.133 hours. The amplitude of the function is given as 2 hours 53 minutes, about 2.883 hours. Without too much error, we can assume the year length is 365.25 days, so that is the period of the function,
March 21 is day 80 of the year, so that will be the horizontal offset of the function. Putting these values into the form ...
d(t) = (average value) +(amplitude)sin(2π/(period)·(t -offset days))
d(t) = 12.133 +2.883sin(2π(t-80)/365.25)
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c) d(41) = 10.34, so February 10 will have ...
12.13 -10.34 = 1.79
hours less daylight.
Answer:
It is 2.
Step-by-step explanation:
The equation becomes -2y=-4x=5
But you divide by -2 to get y solo. So -4/-2=2.
The area of carpet square is 81 square inches
<h3><u>Solution:</u></h3>
Given that carpet squares has sides that are 9 inches long
<u><em>To find: area of carpet square</em></u>
Since given that carpet is of square shape, we can use area of square formula
<u><em>The area of square is given as:</em></u>

Where "s" is the length of side
Given s = 9 inches
Substituting the values in above formula, we get

Thus the area of carpet square is 81 square inches
You combine like terms
Your answer will be -7x^5 - 2x^3 - 6x^2 -9
Answer:
Step-by-step explanation:
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