Solve the problem.The orbit of a spacecraft is deteriorating at the rate of 290 ft per day. What is the overall change in orbit during the entire month of June?

A. -8990 ft
B. 8700 ft
C. -8700 ft
D. -870 ft


Answer: C

Mathematics

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Find the exact value by using a half-angle identity.tan 

A. -2 + 
B. 2 - 
C. 2 + 
D. -2 - 

Mathematics

Solve the system by Gauss - Jordan elimination.  If  (x, y, z)  is the solution to the system, give the value of  . ? ?

A. 92 B. 76 C. -80 D. -76 E. -92

Mathematics

Perform the indicated operation. Give the answer in lowest terms. ? 

A.  
B.
C.  
D.  

Mathematics

Using the factoring method, solve for the roots of the quadratic equation.48x2 + 52x = 0

A. x = , x = 0
B. x = , x = - 
C. x = - , x = 0
D. x = 0

Mathematics