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es forward, and lineman A moves backward. Why does this happen?
a. Because the lineman pushes in different directions, then net force is zero.
b. Lineman A pushes with a greater force, cause a net force that acts in his direction.
c. When the lineman pushes on each other, they cause action reaction forces that are unequal.
d. The force is balanced, but the lineman B exerts a greater force causing unbalanced forces.

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2.Think about it 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.
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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for his conference, so he randomly selects 36 injuries and 17 occurred during practice. Is his claim correct at α=0.05?
What is the P-value. (round to 3 decimal places)

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7.Sir with honour and respect I am going to give some law of science I am class 9 students In ...

m first person to say 4law they are 1 Distance is fixed for second time it follows the first again again 2 there is nothing in rest every object vibrates or shake because things are made by atoms and atoms are made by neutron protons and electrons and they vibrates 3 sun also revolves because Milky way also revolves if milky will revolves sun will revolves attomiticaly because if enter a ball on football and hit it the ball also vibrates 4 The proton neutron and electrons are Brahma Vishnu maheswar 5 Iam yamrit uprety

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8. A football is thrown into the air. The height, h(t), of the ball, in metres , after t seconds ...

delled by h(t) = -4.9 (t - 1.25)^2+9. When does the ball hit the ground?

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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

mathematicsalgebra Physics