The temperature in Sam's home varies sinusoidal over time. Given the equation T = 4 cos(30(t − 8)) + 16 describes the temperature of the house in degrees celsius in terms of the number of hours since 12 midnight.

The temperature is: 14.5 degrees

Step-by-step explanation:

Given

Required

The temperature at 4:15

We have:

Convert to hours

So:

Open bracket

Approximate

answer: 230 miles ( vote ! )

step-by-step explanation:

180.39 minus 17.99 equals 162.4

then divide 162.4 by .80 to get 230

i'm not entirely sure

step-by-step explanation:

if you ask home depot or lowe's they might be able to you out