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Ierofanga [76]
3 years ago
14

Add or subtract as indicated and write the result in standard form. 5i - (-5 - i)

Mathematics
1 answer:
AlexFokin [52]3 years ago
5 0

Simplify by combing the real and imaginary parts of each expression.

5 + 6i

Arrange the expression into the a+bi form of a complex number.

5+ 6i

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(a) Mary and Cynthia were building a cone-shaped sand castle. After some time, the diameter of
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Answer:

\displaystyle V\approx 769.7\text{ in}^3

Step-by-step explanation:

We are given that the diameter of the sand-shaped cone is 14 inches, and the height is 15 inches.

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\displaystyle V=\frac{1}{3}\pi r^2h

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\displaystyle V\approx 769.7\text{ in}^3

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