Provide an appropriate response.A formula for the focal length of a lens isf = Calculate f (the focal length) for a = 14 cm and b = 9 cm. Round to the nearest tenth.

A. 7.0 cm
B. 8.5 cm
C. 4.5 cm
D. 5.5 cm


Answer: D

Mathematics

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Provide an appropriate response.Let G be the sphere x2 + y2 + z2 = 9. Evaluate the integral.

A. 324? B. 648? C. 108? D. 216?

Mathematics

Write the given decimal as an infinite series, then find the sum of the series, and finally, use the result to write the decimal as a ratio of two integers.0.44444 . . .

A.  
B.  
C.
D.  

Mathematics

From the data taken from the curve in the graph below, calculate RD when Vf = 7.0 V.


a. 1140 ohms
b. 875 ohms
c. 600 ohms
d. 525 ohms
e. 500 ohms

Mathematics

Factor out the GCF from the polynomial.12x4 + 17x6

A. 12(x4 + 204)
B. x4(1 + 17x2)
C. x4(12 + 17x2)
D. 12x4

Mathematics