Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
A. 14.248 cm
B. 101.5 cm
C. 203 cm
D. 14.5 cm
Answer: A
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Solve.The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. How many binoculars must be produced and sold for the company to break even?
A. 2700 binoculars B. 2250 binoculars C. 1500 binoculars D. 750 binoculars
Solve.Two radio transmitters are located 350 miles apart on a shore and send simultaneous signals to a ship that is 200 miles offshore. The signal from transmitter T arrives at the ship 200 microseconds after the signal from transmitter S. The signals travel at the speed of 0.186 miles per microsecond. Find the equation of the hyperbola with foci S and T on which the ship is located. Let the center point between the transmitters correspond to the point (0, 0) and let the x-axis be oriented such that it contains the two transmitters. (Hint: For any point along the hyperbola, the absolute value of the difference of its distances from the foci is 2a.)
A. -
= 1
B. -
= 1
C. -
= 1
D. -
= 1
Solve the following quadratic equation by factoring.
a.
b.
c.
d.
e.
Find the average rate of change for the function between the given values.f(x) = 1x3 + 3x2 + 2; from -8 to 8
A.
B.
C. 128
D. 64