Consider the linear equation 9x -3y =12 a. The pair (3,5) is a solution to the equation. Find another pair (x,y) that is a solution to the equation. b. Are (3,5) and (2,-10) solution to the inequality 9x - 3y < 12? Explain how you know. 7. Elena is considering buying bracelets and necklaces as gifts for her friends. Bracelets cost $3 , and necklaces cost $5. She can spend no more than $30 on the gifts.
Consider the linear equation 9x -3y =12 a. The pair (3,5) is a solution to the equation. Find another pair (x,y) that is a solution to the equation. b. Are (3,5) and (2,-10) solution to the inequality 9x - 3y < 12? Explain how you know. 7. Elena is considering buying bracelets and necklaces as gifts for her friends. Bracelets cost $3 , and necklaces cost $5. She can spend no more than $30 on the gifts.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.7: Combinations
Problem 2E
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Consider the linear equation 9x -3y =12
a. The pair (3,5) is a solution to the equation. Find another pair (x,y) that is a solution to the equation.
b. Are (3,5) and (2,-10) solution to the inequality 9x - 3y < 12? Explain how you know.
7. Elena is considering buying bracelets and necklaces as gifts for her friends. Bracelets cost $3 , and necklaces cost $5. She can spend no more than $30 on the gifts.
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