AnswersFL-1200710-Mathematics for College Algebra AModeling with Systems of Linear Equations

Modeling with Systems of Linear Inequalities Answers

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3

A city determines that a planned community must have at least 4 acres of developed and open space, and the difference between the number of developed acres, y, and the number of open acres, x, can be no more than 1. Which graph represents the system of inequalities for this scenario?x + y ≥ 4y – x ≤ 1

A
Option
B
Option
C
Option
D
Option
6

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A
At least 2 copies are required per tour.
B
More than 2 copies are required per tour.
C
The number of confirmed parties must be at least double the number of required copies.
D
The number of confirmed parties must be no more than double the number of required copies.
7

An arrangement for one container needs to have at least 4 flowers in it and the total wholesale cost must be less than $12. At wholesale, lilies cost $2 per flower and roses cost $3 per flower. If x is the number of lilies and y is the number of roses, which graph represents the system of inequalities for this scenario?

A
Option
B
Option
C
Option
D
Option
9

Which statements must be true about their heights? Select three options.

A
Darius is at least 36 inches tall.
B
Darius is at most 36 inches tall.
C
William’s height is less than 68 inches.
D
William’s height is at least 68 inches.
E
Darius is less than 4 inches taller than twice William’s height.
F
Darius is no more than 4 inches taller than twice William’s height.

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