At S P.M. an oil tanker traveling west in the ocean at 10 kilometers per hour passes the same spot as a luxury liner that arrived at the same spot at 4 P.M. while traveling north at 14 kilometers per hour. If the "spot" is represented by the origin, find the location of the oil tanker and the location of the luxury liner t hours after 4 P.M. Then find the distance D between the oil tanker and the luxury liner at that time. D(t) - At what time were the ships closest together? (Hint: Minimize the distance (or the square of the distancel) between them.) The time is P.M. (Round down to the nearest minute.)
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A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
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Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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