Indicate whether the equation represents an ellipse, hyperbola, circle, or parabola. In equations that contain both x2 and y2 terms, divide both sides of the equation by the constant term to put the equation in a more recognizable form.2y2 + 3x - 5y = 2
A. Circle
B. Hyperbola
C. Parabola
D. Ellipse
Answer: C
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Given the measure of one acute angle, find the measure of the other acute angle. Triangle is not drawn to scale.?B = 55.53°
A. ?A = 35.47° B. ?C = 90° C. ?A = 34.47° D. ?A = 34.57°
Solve the problem. Express the answer in scientific notation to two decimals.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?
A. 7.6 × 103 sec B. 76 sec C. 7.6 × 102 min D. 7.6 × 102 sec
Solve the problem.When going more than 38 miles per hour, the gas mileage of a certain car fits the model where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what speed will the car average 15 miles per gallon? (Round to nearest whole number.)
A. 98 mph B. 48 mph C. 149 mph D. 73 mph