The rectangular coordinates of a point are given. Find polar coordinates of the point. Express ? in radians.(0, -
)
A. (
, 90°)
B. (-
, 90°)
C. (-
, 270°)
D. (-
, 180°)
Answer: B
Mathematics
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A projectile is fired from a height of 350 ft with an initial speed of 200 ft/sec and an angle of elevation of 30°.
a. What are the scalar tangential and normal components of acceleration of the projectile? b. What are the scalar tangential and normal components of acceleration of the projectile when the projectile is at its maximum height?
Mathematics
Find the expression.u = 
Find 
A. 
B. 97
C. 
D. 
Mathematics
Use the addition property of inequality to solve the inequality and graph the solution set on a number line.7x - 7 ? 6x - 8
A. (-15, ?)
B. (-1, ?)
C. (-?, -1]
D. [-1, ?)
Mathematics
Solve the equation using the square root property.x2 - 25 = 0
A. {5} B. {-5, 5} C. {-5} D. {25}
Mathematics