It is defined as the force per unit area on a surface Good Day.... Pressure is defined as the force per unit area on a surface. When we applied force on something by pressing it, we exerted pressure. When we apply pressure for example rocks, the particle of rocks will be compressed making it more denser since its volume is reduced. When we go down to the center of the earth, the pressure increases making the inner core densest layer of the earth because of too much pressure. Hope it helps....=)
Write the following equation of the circle in general form that will satisfy the given conditions 3. the center is at (0,-9), and the circle passes through (8,0). Answer: x² + y² + 18y - 64 = 0 Step-by-step explanation: write the following equation of the circle in general form that will satisfy the given conditions 3. the center is at (0,-9), and the circle passes through (8,0). first, find the radius use distance formula (center to a point that the circle passes) d = √(x2 - x1)² + (y2 -y1)² d = √(8 - 0)² + (0 - -9)² d = √145 r = √145 Standard form: (x-h)² + (y-k)² = r² where h and k are the coordinates of the center of the circle (x - 0)² + (y - -9)² = (√145)² x² + (y + 9)² = 145 x² + y² + 18y + 81 - 145 = 0 x² + y² + 18y - 64 = 0
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