a half dollar is 3.86 mm thick. a penny is 1.2 mm thick. what is the thickness of both coins combined?

5.06

Step-by-step explanation:

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8.92 mm

Step-by-step explanation:

thickness of combination = (3.86)2 + 1.2 = 5.06 + 3.86 = 8.92 mm

I edited its correct now plz mark me

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

complete the steps to find the area of the trapezoid.

area of rectangle = 256   square units

area of triangle 1 = 24  square units

area of triangle 2 = 16  square units

area of triangle 3 =   96 square units

area of trapezoid = 120  square units

step-by-step explanation: