Find an equation of variation in which the following are true.x varies inversely as y2, and x = 17 when y = 2.
A. x = 
B. x = 
C. x = 
D. x = 68y2
Answer: A
Mathematics
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Find the reciprocal.
A. 0
B. 
C. 20
D. 1
Mathematics
Subtract.17 - 8.05
A. 9.05 B. 26.05 C. 25.05 D. 8.95
Mathematics
Clear fractions then solve by substitution.
+ 
= 4
- 2y = 21
A. {(6, -8)} B. {(-6, 8)} C. {(x, y)| 7x + 5y = 48} D. ?
Mathematics
Solve the problem.x represents the number of cassette tapes sold at $8.75 per tape, and y represents the total cost of the cassette tapes. After writing an equation for this situation, what is the total cost of 14 cassettes?
A. $122.5 B. $0.63 C. $61.25 D. $245
Mathematics