Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Answer: B
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA fan in the bleachers at Wrigley Field throws an opposing player's home run baseball back onto the playing field. Assume that the fan is 30 feet above the field and that the ball is launched at an angle of 39°. When will the ball hit the ground if its initial speed is 20 ft/sec? Round your answer to the nearest tenth.
A. 1.9 sec B. 1.8 sec C. 1.0 sec D. 4.1 sec
Factor when possible.a2 - 11ab + 24b2
A. (a + 3b)(a - 8b) B. (a - 3b)(a - 8b) C. (a + 3b)(a + b) D. Prime
Answer the following statement(s) true (T) or false (F)
1. Any angle inscribed in a semicircle must be a right angle.
2. If the central angle of a sector with radius 10" measures 60°, then the area of the sector is 5/3? square inches.
3. The measure of an inscribed angle, ?A, in a circle is twice the measure of a second inscribed
angle, ?B, in the same circle. Then the arc intercepted by ?A is twice as long as the arc intercepted by ?B.
4. If P is the midpoint of chord AB in circle O, then ?OPB = 90°.
5. If two chords in circle O, MN and XY, intersect at P then ?MPX = 
Graph the fraction on a number line.
A. 
B. 
C. 
D. 