Find the eccentricity of the hyperbola.x2 - y2 = 49
A. 0
B. 
C. 1
D. 
Answer: D
You might also like to view...
Solve the problem.A water tank is shaped like an inverted cone with height 9 m and base radius 1.5 m (see figure). If the tank is full, how much work is required to pump the water to the level of the top of the tank and out of the tank? Express the answer in terms of ?. 
A. 198,450 J B. 5,358,150? J C. 893,025? J D. 148,837.5? J
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $4 per foot for two opposite sides, and $5 per foot for the other two sides. Find the dimensions of the field of area 750 ft2 that would be the cheapest to enclose.
A. 34.2 ft @ $4 by 21.9 ft @ $5 B. 24.5 ft @ $4 by 30.6 ft @ $5 C. 30.6 ft @ $4 by 24.5 ft @ $5 D. 21.9 ft @ $4 by 34.2 ft @ $5
Graph the polar equation.r = 3?
A. 
B. 
C. 
D. 
Use common or natural logarithms to solve the exponential equation symbolically.3x = 9
A. x = ln 3
B. x = 
C. x = ln 6
D. x = ln 