Provide an appropriate response.Solve the quadratic equation using the quadratic formula: 25x2 = 9
A. x = 
i, - 
i
B. x = 
, - 
C. x = 
, - 
D. x = 
, - 
Answer: D
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Use Euler's method to approximate the solution. Also find the exact solution. Round your answers to four decimal places.Use Euler's method with ?x = 0.2 to approximate y(1) given that 
and y(0) = 
. Also find the exact value of y(1). 
A. y(1) ? 1.8562; the exact solution is y(1) = 1.6310 B. y(1) ? 1.0368; the exact solution is y(1) = 1.3591 C. y(1) ? 1.0728; the exact solution is y(1) = 1.0873 D. y(1) ? 1.2442; the exact solution is y(1) = 1.3591
A plane is flying with an airspeed of 160 miles per hour and heading of 140°. The wind currents are running at 41 miles per hour at 155° clockwise from due north. Use vectors to find the true course and ground speed of the plane. ? Apply the rules regarding the use of significant digits after all computations are complete. ?
A. 196 mph with heading 147° B. 200 mph with heading 145° C. 190 mph with heading 143° D. 190 mph with heading 145° E. 200 mph with heading 143°
Solve.The temperature at 5:00 was -4°C. Four hours later, it was -12°C. What was the change in temperature?
A. -16°C B. 16°C C. 8°C D. -8°C
If two lines are perpendicular, then: _______________ .
Fill in the blank(s) with the appropriate word(s).