An engineer wants to position three pipes at the teheat vertices of a triang le as shown in the Figure to the right. If the pipes have radii 5.4inay 4.2 in, and 2-7ine, then what are the measures of the angles of triangle ABC ? א>> 12-7iy till the final

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Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.