Solve.0.8x - 2.3 = + 0.26

A. 3.1
B. 2.88
C. -0.313
D. 3.2

Answer: D

Mathematics

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Find the convergence set for the given power series. Hint: First find a formula for the nth term; then use the Absolute Ratio Test.1 -  +  -  + . . .

A. -1 < x < 1 B. -5 < x < 5 C. -5 ? x ? 5 D. All x

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Use a double integral to find the volume of the solid shown in the figure. ? ? __________ cu units.

Fill in the blank(s) with the appropriate word(s).

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Add.3 + -9

A.
B.
C. 6
D. 12

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Mathematics

Matrix A is given. Find appropriate identity matrices Im and In such that ImA = A and AIn = A.A = 

A. Im = , In = 
B. Im = , In = 
C. Im =, In = 
D. Im = , In = 

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Mathematics