Solve the system of equations graphically using a graphing calculator. Find all values to the nearest hundredth.2x2 + y2 = 24x2 - y2 = 11
A. x = 3.42, y = 0.82; x = 3.42, y = -0.82; x = -3.42, y = 0.82; x = -3.42, y = -0.82
B. No solution
C. x = 3.42, y = 0.82; x = -3.42, y = 0.82
D. x = 3.42, y = 0.82; x = 3.42, y = -0.82
Answer: A
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An electronics company has strict specifications for silicon chips used in computers. The company will only install chips that are within 0.06 centimeters of the specified thickness. If the thickness specification of the chip type is 0.969 cm, find the lower and upper limit for the acceptable range of thickness of the chips.
A. The lower limit is 0.909 cm and the upper is 1.029 cm. B. The lower limit is 0.919 cm and the upper is 1.028 cm. C. The lower limit is 1.01 cm and the upper is 1.028 cm. D. The lower limit is 0.909 cm and the upper is 1.039 cm. E. The lower limit is 0.91 cm and the upper is 1.029 cm.
Choose the closest estimate.Helen and Juan went hiking. Between the two of them they brought 4 
of water.
A. L B. mL C. g D. kg E. mg
Solve.Two tracking stations are on the equator 130 miles apart. A weather balloon is located on a bearing of N 36°E from the western station and on a bearing of N 21°E from the eastern station. How far is the balloon from the western station?
A. 478 miles B. 421 miles C. 412 miles D. 469 miles
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 