Rhonda is making an input/output table. when she sees the number 5,she writes 3.0.when she sees 10,she writes 6.0.when she sees 4,she writes 2.4.what will she wrote if she sees the number 12? what number did she see if she wrote 4 .2?

7.2 and 7 are the answers

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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