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Notes Day 3.5 eq and inequalities

Notes Day 3.5 eq and inequalities. Solve systems in 3 variables with and w/o TI83 Solve word problems in 3 var. M ultiply by 2. 1. Solve the system of 3 variables . X by 2. ADD!. ADD!. Solve on TI83 now !. Solve the system of 3 variables . 2. Sub in 5. X by 3. Add 1 st and 3rd.

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Notes Day 3.5 eq and inequalities

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  1. Notes Day 3.5 eq and inequalities Solve systems in 3 variables with and w/o TI83 Solve word problems in 3 var.

  2. Multiply by 2 1. Solve the system of 3 variables X by 2 ADD! ADD! Solve on TI83 now!

  3. Solve the system of 3 variables 2. Sub in 5 X by 3 Add 1st and 3rd X by -2 ADD! Solve on TI83 now!

  4. 3. Tina’s trail mix is a mixture of Almonds, Cashews, and Macadamia nuts. Tina made 21 pounds of her trail mix to sell at the state fair and it cost $75.25 to make. Her trail mix contains 3 times as many Almonds as Macadamia nuts. Macadamia nuts cost $8 per pound. Almonds cost $2.50 per pound and the Cashews cost $3 per pound. How many pounds of each ingredient did she use? Put equations in Standard form. Solve on TI83 ! Equations:

  5. 4. Dr. Kitty is a vet who works 5 days a week for 10 hours each day. Her assistant schedules 2 types of appointments, check ups and operations. A check up is scheduled for 20 minutes and an operation is scheduled for 1.25 hours. Write an inequality that can represent the appointment schedule for 1 week. Then write the same equation in different units. Equations: find hrs and min Equations

  6. 5. Grandma has 26 coins in her purse with a total coin weight of 3 pounds. The coins are in a combination of nickels, dimes, and quarters. The total value of the coins is $3.50. There are three times as many nickels as there are dimes. Write and solve a system of 3 equations with 3 variables using variable s, d, and q. Put equations in Standard form. Solve on TI83 ! Equations:

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