Simplify the expression by rationalizing the denominator.
A. 
- 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve.z + 1 = 8
A. 7 B. 9 C. -9 D. -7
Mathematics
Use mathematical induction to prove that the statement is true for every positive integer n.(53)n = 53n
What will be an ideal response?
Mathematics
Solve the equation.
- 
= 
A. 
B. no solution
C. {-5}
D. 
Mathematics
Solve the problem by writing and solving a suitable system of equations.A basketball fieldhouse seats 15,000. Courtside seats sell for $10, endzone for $6, and balcony for 
Total revenue for a sell-out is $82,000. If half the courtside and balcony and all endzone seats are sold, the total revenue is $47,000. How many of each type are there?
A. 3200 courtside 1800 endzone 10,000 balcony B. 4000 courtside 3000 endzone 8000 balcony C. 3000 courtside 2000 endzone 10,000 balcony
Mathematics