3. The Quick Sell car dealership has been using 1 minute spot ads on a local TV station. The ads always occur during the evening hours and advertise the different models and price ranges of cars on the lot that week. During a 10 week period, the Quick Sell dealer kept a weekly record of the number of TV ads versus the number of cars sold. He used the weekly ads as the predictor and the cars sold as the predicted. The regression equation is: Y= 6.5 +1.0110x Find the predicted number of car sales when the car add is run 15 times per week. Final answer must be rounded to nearest whole number.
Angles in Circles
Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.
Arcs in Circles
A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.
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