Find an equation for the ellipse.Center at (0, 0); focus at (-2, 0); vertex at (3, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Use a calculator to approximate the number. (Round your answer to three decimal places.)
?
?
A. 5.000.000 B. 3.487 C. 1.487 D. 2.487 E. -2.487
Mathematics
Solve the problem.A bullet is fired with a muzzle velocity of 1436 ft/sec from a gun aimed at an angle of 39° above the horizontal. Find the horizontal component of the velocity.
A. 1116 ft/sec B. 382.9 ft/sec C. 903.7 ft/sec D. 1163 ft/sec
Mathematics
Subtract.
A. 7.2 B. 10.3 C. 10.1 D. 10.2
Mathematics
Find the first 4 terms of the recursively defined sequence.a1 = 9, an+1 = 
A. 9, - 
, - 
, - 
B. 9, 
, -9, 
C. 9, - 
, 9, - 
D. 9, - 
, - 
, 
Mathematics