Outside temperature over a day can be modelled using a sine or cosine function. Suppose you know the high temperature for the day is 70 degrees and the low temperature of 48 degrees occurs at 5 AM. Assuming t is the number of hours since midnight, find an equation for the temperature, D, in terms of t.

The resistance of a copper wire carrying an electrical current is directly proportional to its length and inversely proportional to its cross-sectional area. A copper wire with a diameter of 0.0126inch has a resistance of 64.9ohms per thousand feet. What length of 0.0201-inch-diameter copper wire will produce a resistance of 33.5ohms?

An arrow is shot from the ground into the air at an initial speed of 108 ft/sec. Use the formula h=16t2+v0t to determine when the arrow will be 180 feet from the ground. Round the nearest tenth of a second.

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 80 degrees at midnight and the high and low temperature during the day are 92 and 68 degrees, respectively. Assuming t is the number of hours since midnight, find an equation for the temperature, D, in terms of t.

In a certain town, the longest day of the year, which is in June, lasts fourteen hours. The shortest day of the year, which is in December, lasts ten hours. Twice per year, in March and September, the day is the same length as the night, or twelve hours. Length of day varies sinusoidally through the year. Write an equation for H(m), the length of the day in hours, as a function of the cosine of m, the number of months since January.

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Suppose that Ashley's blood pressure can be modeled by the following function. p(t)=87-16 cos (107лt) Ashley's blood pressure increases each time her heart beats, and it decreases as her heart rests in between beats. equation, p (t) is the blood pressure in mmHg (millimeters of mercury), and t is the time in minutes. Find the following. If necessary, round to the nearest hundredth. Time for one full cycle of p: minutes Minimum blood pressure: mmHg Number of heartbeats per minute:

Suppose that Tammy's blood pressure can be modeled by the following function. p (t) = 91 + 24 cos (89 nt) 同 Tammy's blood pressure increases each time her heart beats, and it decreases as her heart rests in between beats. In this equation, p(t) is the blood pressure 00 in mmHg (millimeters of mercury), and t is the time in minutes. 民 Find the following. If necessary, round to the nearest hundredth. Amplitude of p : mmHg Number of heartbeats per minute: Period of p : minutes Save For Later Submit Assignment Check 2021 McGraw-Hili Ecucation. AlI Rights Reserved. Terms of Use Privacy Accessibility