Estimate the product without a calculator.

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.5x + 10x2 + 15x3 + 20x4 + . . .

A. -1 ? x ? 1 B. -1 < x < 1 C. <-a> < x ? D. All x

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Mathematics

Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.

A. A ? C B. B' ? A ? C C. A ? C - B D. C ? B' ? A

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Mathematics

Perform the indicated operations. Reduce answers to lowest terms and write any improper fractions as whole or mixed numbers. -

A. 12
B. 1
C.
D.

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Mathematics

The angle of elevation of the sun is 44.6 degrees. How long is the shadow of a building 111 feet tall?

What will be an ideal response?

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Mathematics