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# how many complete pieces of hydraulic tubing can be cut from a foot length

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2. 24 – 15 – (-31) -22+34 24+15+-31 Partner Practice: Rewrite each expression as an addition expression. Subtraction Expression Addition Expression 23 - 43 23+(-43) 19 - 68 19+(-68) -14 - 43 -14+(-43) -1 - 8 -1+(-8) 45 - (-14) 45+14 -23 - (-65) -23+65 Evaluate Expression: -23 - 15 -23+(-15) -38 12 - 33 12+(-33) -21 14 – 23 + (-9) 14+-23+(-9) -9+(-9) Melanie has \$65 in her account. She spends \$12 on a book and \$40 on a bag. Her sister asks her “are you going to have enough money to contribute \$15 towards mom’s birthday gift?” Melanie replies- “no problem!” Understand: Plan: Estimate/Predict: Solve: Answer: Melanie _________________ have enough money to contribute to her mom’s birthday gift. Think About it Evaluate each expression using the addition rules we have developed. 6 + (-10) -4 -11 + 19 8 -6 + (- 7) -13 -26 Independent Practice: Evaluate Expression: -33 – (-44) 11 27 – 48 27+(-48) -16 – 22 -16+(-22) Which equations below are not true statements? Select all that apply. Explain your selection. 71 – (-19) = 90 71 – 19 = 52 -71 – 19 = -52 -71 + 19 = -52 -71 – (-19) = -90 A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now? (*descends means moving down) Jennah was evaluating the expression -7 – 83 +14. Here is her work: -7 + 83 + 14 75 + 14 89 Do you agree or disagree with her answer? Explain your answer using complete sentences. The Titans and the Broncos played football last week. The table below shows each team’s first five plays of the game. Play Titans Broncos 1 Loss of 15 yards Gain of 25 yards 2 Gain of 24 yards Gain of 19 yards 3 Loss of 12 yards Loss of 11 yards 4 Gain of 38 yards Loss of 17 yards 5 Loss of 21 yards Loss of 14 yards I) Which team had gained more yards after the fifth play? II) How many more yards did they gain?
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-4 -11 + 19 8 -6 + (- 7) -13 -26 Rewrite each expression as an addition expression. -22 – (-34) 2. 24 – 15 – (-31) -22+34 24+15+-31 Partner Practice: Rewrite each expression as an addition expression. Subtraction Expression Addition Expression 23 - 43 23+(-43) 19 - 68 19+(-68) -14 - 43 -14+(-43) -1 - 8 -1+(-8) 45 - (-14) 45+14 -23 - (-65) -23+65 Evaluate Expression: -23 - 15 -23+(-15) -38 12 - 33 12+(-33) -21 14 – 23 + (-9) 14+-23+(-9) -9+(-9) Melanie has \$65 in her account. She spends \$12 on a book and \$40 on a bag. Her sister asks her “are you going to have enough money to contribute \$15 towards mom’s birthday gift?” Melanie replies- “no problem!” Understand: Plan: Estimate/Predict: Solve: Answer: Melanie _________________ have enough money to contribute to her mom’s birthday gift. Independent Practice: Evaluate Expression: -33 – (-44) 11 27 – 48 27+(-48) -16 – 22 -16+(-22) Which equations below are not true statements? Select all that apply. Explain your selection. 71 – (-19) = 90 71 – 19 = 52 -71 – 19 = -52 -71 + 19 = -52 -71 – (-19) = -90 A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now? (*descends means moving down) Jennah was evaluating the expression -7 – 83 +14. Here is her work: -7 + 83 + 14 75 + 14 89 Do you agree or disagree with her answer? Explain your answer using complete sentences. The Titans and the Broncos played football last week. The table below shows each team’s first five plays of the game. Play Titans Broncos 1 Loss of 15 yards Gain of 25 yards 2 Gain of 24 yards Gain of 19 yards 3 Loss of 12 yards Loss of 11 yards 4 Gain of 38 yards Loss of 17 yards 5 Loss of 21 yards Loss of 14 yards I) Which team had gained more yards after the fifth play? II) How many more yards did they gain?
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-10-10 -11 + 19 -8 -6 + (- 7) -13 Rewrite each expression as an addition expression. -22 – (-34) 2. 24 – 15 – (-31) -22+34 24+15+-31 Partner Practice: Rewrite each expression as an addition expression. Subtraction Expression Addition Expression 23 - 43 23+(-43) 19 - 68 19+(-68) -14 - 43 -14+(-43) -1 - 8 -1+(-8) 45 - (-14) 45+14 -23 - (-65) -23+65 Evaluate Expression: -23 - 15 -23+(-15) -38 12 - 33 12+(-33) -21 14 – 23 + (-9) 14+-23+(-9) -9+(-9) Melanie has \$65 in her account. She spends \$12 on a book and \$40 on a bag. Her sister asks her “are you going to have enough money to contribute \$15 towards mom’s birthday gift?” Melanie replies- “no problem!” Understand: Plan: Estimate/Predict: Solve: Answer: Melanie _________________ have enough money to contribute to her mom’s birthday gift. Independent Practice: Evaluate Expression: -33 – (-44) -33+44 27 – 48 27+(-48) -16 – 22 -16+(-22) Which equations below are not true statements? Select all that apply. Explain your selection. 71 – (-19) = 90 71 – 19 = 52 -71 – 19 = -52 -71 + 19 = -52 -71 – (-19) = -90 A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now? (*descends means moving down) Jennah was evaluating the expression -7 – 83 +14. Here is her work: -7 + 83 + 14 75 + 14 89 Do you agree or disagree with her answer? Explain your answer using complete sentences. The Titans and the Broncos played football last week. The table below shows each team’s first five plays of the game. Play Titans Broncos 1 Loss of 15 yards Gain of 25 yards 2 Gain of 24 yards Gain of 19 yards 3 Loss of 12 yards Loss of 11 yards 4 Gain of 38 yards Loss of 17 yards 5 Loss of 21 yards Loss of 14 yards I) Which team had gained more yards after the fifth play? II) How many more yards did they gain?
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-8 -6 + (- 7) -13 Make tweaks, leave comments, and share with others to edit at the same time. NO THANKSUSE THE APP Austin Cassista - Reteach Lesson 7 & 8 Think About it Evaluate each expression using the addition rules we have developed. 6 + (-10) -10-10 -11 + 19 -8 -6 + (- 7) -13 Rewrite each expression as an addition expression. -22 – (-34) 2. 24 – 15 – (-31) -22+34 24+15+-31 Partner Practice: Rewrite each expression as an addition expression. Subtraction Expression Addition Expression 23 - 43 23+(-43) 19 - 68 19+(-68) -14 - 43 -14+(-43) -1 - 8 -1+(-8) 45 - (-14) 45+14 -23 - (-65) -23+65 Evaluate Expression: -23 - 15 -23+(-15) -38 12 - 33 12+(-33) -21 14 – 23 + (-9) 14+-23+(-9) -9+(-9) Melanie has \$65 in her account. She spends \$12 on a book and \$40 on a bag. Her sister asks her “are you going to have enough money to contribute \$15 towards mom’s birthday gift?” Melanie replies- “no problem!” Understand: Plan: Answer: Melanie _________________ have enough money to contribute to her mom’s birthday gift. Independent Practice: Evaluate Expression: -33 – (-44) -33+44 27 – 48 27+(-48) -16 – 22 -16+(-22) Which equations below are not true statements? Select all that apply. Explain your selection. 71 – (-19) = 90 71 – 19 = 52 -71 – 19 = -52 -71 + 19 = -52 -71 – (-19) = -90 A submarine is at a depth of 12 meters below sea level. The submarine then descends 79 meters. What is the depth of the submarine now? (*descends means moving down) Jennah was evaluating the expression -7 – 83 +14. Here is her work: -7 + 83 + 14 75 + 14 89 Do you agree or disagree with her answer? Explain your answer using complete sentences. The Titans and the Broncos played football last week. The table below shows each team’s first five plays of the game. Play Titans Broncos 1 Loss of 15 yards Gain of 25 yards 2 Gain of 24 yards Gain of 19 yards 3 Loss of 12 yards Loss of 11 yards 4 Gain of 38 yards Loss of 17 yards 5 Loss of 21 yards Loss of 14 yards I) Which team had gained more yards after the fifth play? How many more yards did they gain?
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read the same passage and mark all the spelling and grammar errors they could find. He recorded how many minutes each student had spent on the exercise, x, and how many errors that student had missed, y. The least squares regression line of this data set is: ŷ= – 2.039x+27.731 Complete the following sentence: For each additional minute a student spent proofreading, the least squares regression line predicts that he or she would miss fewer errors.
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uminum and steel. The company has available 38 comma 160 units of steel and 48 comma 380 units of aluminum. The​ 1-, 3-, and​ 10-speed models​ need, respectively, 8​, 12 and 16 units of steel and 15​, 10​, and 20 units of aluminum. The company makes ​\$4 per​ 1-speed bike, ​\$6 per​ 3-speed, and ​\$16 per​ 10-speed. Use the simplex method to complete parts​ (a) and​ (b). ​(a) How many of each type of bicycle should be made in order to maximize​ profit? What is the maximum​ profit? Set up the linear programming problem. Let x 1​, x 2​, and x 3 represent the numbers of​ 1-, 3-, and​ 10-speed bicycles,​ respectively, and let z be the total profit. ▼ Minimize Maximize zequals nothing subject to 8 x 1 plus 12 x 2 plus 16 x 3 ▼ greater than less than or equals greater than or equals less than nothing 15 x 1 plus 10 x 2 plus 20 x 3 ▼ greater than less than or equals less than greater than or equals nothing x 1greater than or equals​0, x 2greater than or equals​0, x 3greater than or equals0. ​(Do not factor. Do not include the​ \$ symbol in your​ answers.) Set up the initial simplex tableau and use the Simplex Method to solve. The maximum profit is ​\$ nothing. To get that​ profit, the company should make nothing ​1-speed bicycle(s), nothing ​3-speed bicycle(s), and nothing ​10-speed bicycle(s). ​(Type whole​ numbers.) ​(b) Explain what the values of the slack variables in the optimal solution mean in the context of the problem. Select the correct choice below​ and, if​ necessary, fill in the answer​ box(es) to complete your choice. A. When the profit is​ maximized, all of the steel is used but nothing units of aluminum remain unused. ​(Type a whole​ number.) B. When the profit is​ maximized, some of each material remains unused.​ Specifically, nothing units of aluminum and nothing units of steel remain unused. ​(Type whole​ numbers.) C. When the profit is​ maximized, all of the available aluminum and steel is used. D. When the profit is​ maximized, all of the aluminum is used but nothing units of steel remain unused. ​(Type a whole​ number.)
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2)(x - 3)(x + 3) d. (x2 - 4)(x2+ 9) Value: 1 The table below shows the cost of purchasing a standard stapler at five office supply stores, A through E. If the median cost of purchasing a standard stapler for these stores was \$17.99, which of the following could NOT have been the cost of the stapler for Store A? staplergraph.jpg a. \$19.95 b. \$18.95 c. \$16.95 d. \$19.25 Value: 1 If equation image indicator then x = a. 7 b. 1/5 c. 5 d. 1/7 Value: 1 A six−sided die, with sides numbered 1,2, 3,4,5, and 6, is tossed. What is the probability of tossing a number less than three? a. 1/3 b. 0 c. 1/2 d. 1/4 Value: 1 If 6m + 4 = 8m, then 4m = a. 6 b. 2 c. 8 d. 4 Value: 1 In the xy-plane, what is the y-intercept of the graph of the equation equation image indicator? a. 2 b. 4 c. 16 d. There is no y-intercept. Value: 1 Which of the following equations has both 2 and −4 as solutions? a. x2 + 6x + 8 = 0 b. x2 - 2x - 8 = 0 c. x2 + 2x - 8 = 0 d. x2 - 2x + 8 = 0 Value: 1 The perimeter of a square is 20 ft. If you increase the length of the square by 2 feet and decrease the width by 1 foot, what is the area, in square feet, of the new figure? a. 22 b. 28 c. 35 d. 40 Value: 1 (3x-2y4)-3 = a. equation image indicator b. equation image indicator c. equation image indicator d. equation image indicator Value: 1 A softball is tossed into the air upward from a first floor balcony. The distance of the ball above the ground at any time is given by the function, distance function.png, where h(t) is the height of the softball above the ground (in feet) and t is the time (in seconds). What was the maximum height, in feet, of the softball above the ground after it was thrown? a. 28 b. 30 c. 32 d. 34 Value: 1 A group of 100 people, some students and some faculty, attended a museum opening. Each student paid \$10 per person for entrance to the museum and each of the faculty paid \$25 per person for entrance. If the total paid, for all 100 people, was \$1300, how many students attended the museum opening? a. 20 b. 50 c. 70 d. 80 Value: 1 The ratio of Sam's age to Hank's age is 5 to 3. If the sum of their ages is 24, how old is Hank? a. 21 b. 15 c. 19 d. 9 Value: 1 In the xy−coordinate plane shown below, point P has coordinates (8, −6). Which of the following is an equation of the line that contains points O and P? O and P graph.jpg a. equation image indicator b. equation image indicator c. equation image indicator d. equation image indicator Value: 1 The variables x and y are inversely proportional, and y = 2 when x = 3. What is the value of y when x = 9? a. 54 b. 6 c. 2/3 d. 3/2 Value: 1 A farmer has 1235 trees to be planted on a rectangular parcel of land. If there are 24 trees planted in each row and each row must be complete before it is planted, how many trees will be left over after planting? a. 21 b. 11 c. 0 d. 55
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

mathematicsalgebra Physics