5. Evaluate Expressions Involving Double Angles. Find sin 20, cos 20, and tan 20 given the value and interval
coso = -5/13, (Pi,3pi/2)

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step-by-step explanation:

40 minutes

step-by-step explanation:

add the time and multiply by 2

c. y = 1/4 x + 5

step-by-step explanation:

first, put the equation of the line on the graph into slope-intercept form

(y = mx + b):   y = -4x + 8

second, a perpendicular line has to have "an opposite/reciprocal slope" to the original slope. so, find the "m" value in your original equation (it's -4, right? )

original slope: m = -4   perpendicular slope: change the sign to its opposite and find the reciprocal ("flip" the number)

new slope is now positive (b/c the original slope was negative 4), and it's 1/4 (not the original slope of 4 or 4/1)

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and if they dont well then thats less customers for them in a less profitable way

plz mark brainliest