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11.54

Step-by-step explanation:

sin y = opp/hyp

sin y = 4/20

sin y = 0.2

y = sin^-1 0.2

y = 11.54 deg

11.54°

Step-by-step explanation:

S in =

O pposite /

H ypotenuse

sin y = opposite/hypotenuse

sin y = 4/20

y = sin^-1 (4/20)

y = 11.53695903

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33