2. If a perpendicular distance of a point ‘P’ from the x-axis is 4 units and the foot of the perpendicular lies on the negative direction of x-axis, then the point ‘P’ has:
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Grit chambers are long narrow tanks that are designed to slow down the flow so that solids such as sand, coffee grounds, and eggshells will settle out of the water. Grit causes excessive wear and tear on pumps and other plant equipment.
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We know that, the perpendicular distance of a point from the X-axis gives y-coordinate of that point. Here, foot of perpendicular lies on the negative direction of X-axis, so perpendicular distance can be meausre in II quadrant or III quadrant . Hence , the point P has y-coordinate =5 or -5.
Step-by-step explanation:
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