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A hawk flying at 4 m/s at an altitude of 320 m accidentally drops its prey. The parabolic trajectory of the falling prey is described by the equation below until it hits the ground, where y is its height above the ground and x is its horizontal distance traveled in meters. Calculate the distance traveled by the prey from the time it is dropped until the time it hits the ground. Express your answer correct to the nearest tenth of a meter.y = 320 - x^2/80
Find the slope of the line that passes through the points (3, -5) and (-4, -6). Find the equation in slope-intercept form, of the line that passes through the points (3, 6) and (-7, -3); write equation in slope-intercept form.
A charitable organization spent $2,940 for administrative expenses. This amount is 12% of the money it collected. What is the total amount of money that the organization collected? Please Explain.
Use a two sided test at the alpha level.
Find how many square inches of mat board will be visible.
Estimate the expected grade & variance for the course
a random sample of 450 students from a wide geographic area indicated that 55 attended private schools. Estimate the true population of students attending private schools with 90% ci.
Two angles are complementary of each other. Twice one angle is equal to the other angle plus the product of three and five. Set up a system of linear equations to represent the two angles.
if the given external source is replaced by a force of 2 cos wt of frequency w, find the value of w for which the amplitude of the force response is maximum.
At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 10 cubic feet per minute. The diameter of the base of the cone is approximately 3x the altitude.
Flying with the jetstream, the same jet travels 4600km in 4 hours. What is the speed of the jet in still air, and what is the speed of the jetstream?
Compute the mean and median and determine the shape of the distribution based on the sample data? Explain your conclusion.
a plane flying with a tailwind flew at a speed of 460 mph, relative to ground. When flying against the tailwind, it flew at a speed of 310mph. Find the speed of the tailwind.
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