algebra

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Algebra


Day32, Warm Up Exercises, In the Air ... Traced Paths Drawn with Vectors Write Equation Quiz Quiz Answers

Use two fingers in the air to show the path taken
1. Two people start at different places and move together.
2. Two people run a race, one goes further than the other.
3. Two people run a race. One gets a head start. They end together.
4. Two people run a race. The second finishes when the first one still has 6 miles to go.
5. Two trains leave two towns on different but parallel tracks. Both arrive in the other town at the same time.

Use two fingers in the air to show the path taken
1. Two people start at different places and move together.
2. Two people run a race, one goes further than the other.
3. Two people run a race. One gets a head start. They end together.
4. Two people run a race. The second finishes when the first one still has 6 miles to go.
5. Two trains leave two towns on different but parallel tracks. Both arrive in the other town at the same time.
Answers

Quiz: Write Equation & Answers

Write the code & equation. Do not solve.
1.) The sum of three consecutive odd integers is 123. Find the integers. answer (sum) = 123 (first) + (second) + (third) = 123 x + (x + 2) + (x + 4) = 123
2.) She walks for some time at 4 miles per hour, then skips for twice as long at 6 miles per hour, then runs at 7 miles per hour for as long as she walked. She traveled 2 miles. How far did she walk? answer (walked) + (skipped) + (ran)= (2) (R)(T) + (R)(T) + (R)(T) = 2 (4)( ) + (6)( ) + (7)( ) = 2 (4)(x) + (6)(2x ) + (7)(x ) = 2
3.) Some 20% blue drink is mixed with 75% blue drink to make 12 bottles of 45% blue drink. How much of the 20% blue drink is needed. answer (20% blue) + (75% blue) = (12 bottles of 45% blue) ($)(#) + ($)(#) = ($)(#) (.20)(x) + (.75)(12-x) = (.45)(12)

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