Pl help me i'll give brainliest A pizza pan is removed at 8:00pm from an oven whose temperature is fixed at 400*F into a room that is a constant 72*F. After 5 minutes, the pizza pan is at 300*F
(a) At what time is the temperature of the pan 135*F
(b) Determine the time that needs to elapse before the pan is 170*F
(c) What do you notice about the temperature as time passes?

Thankkk

Explanation:

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sec ф = 5/3 (quadrant 4)

let x = base

y = perp

z = hypotenuse

sec ф = hypotenuse/base = 5/3

⇒ z = 5 and x = 3

finding y:

z² = x² + y²

5² = 3² + y²

y² = 25-9

y² = 16

y = 4

now finding all other geometric functions of theta:

sin ф = y/z = 4/5

sin ф = -4/5 (sin is negative in the 4th quadrant)

cos ф = x/z = 3/5

cos ф = 3/5 (cos is positive in 4th quadrant)

tan ф = y/x = 4/3

tan ф = -4/3 (tan is negative in 4th quadrant)

cosec ф = z/y = 5/4

cosec ф = -5/4 (cosec is negative in the 4th quadrant)

cot ф = x/y = 3/4

tan ф = -3/4 (tan is negative in 4th quadrant)

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step-by-step explanation:

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