Find the area of the shaded region. show all your work.

Answer with Step-by-step explanation:

The shaded region contains the area of large rectangle excluding the area of smaller rectangle.

i.e. Area of shaded region=Area of large rectangle-Area of smaller rectangle

Area of rectangle=Length×breath

Area of large rectangle=(3x-4)(2x+2)

                                     =3x(2x+2)-4(2x+2)

                                    =6x²+6x-8x-8

                                   =6x²-2x-8

Area of small rectangle=(x-6)(x-3)

                                      =x(x-3)-6(x-3)

                                     =x²-3x-6x+18

                                    = x²-9x+18

Area of shaded region=6x²-2x-8-(x²-9x+18)

                                     =6x²-2x-8-x²+9x-18

Combining like terms, we get

Area of shaded region=5x²+7x-26

Hence, Area of shaded region is:

5x²+7x-26

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:

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