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Anit [1.1K]
3 years ago
8

Add or subtract.

Mathematics
1 answer:
artcher [175]3 years ago
3 0

ANSWER:

[1] 8y + 13 + (3y - 11)

  • 8y + 13 + 3y - 11
  • 11y + 2.

[2] - 2n - 15 + (- 5n + 6)

  • - 2n - 15 - 5n + 5
  • - 7n - 10.

[3] - 11x + 5 - (4x - 4)

  • - 11x + 5 - 4x + 4
  • - 15x + 9.
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Write an expression for the perimeter of the house use the work you completed in parts A and B to guide you (the numbers in the
Bas_tet [7]

Answer:

The total length of Valerie’s walls is (2.5 × 4) + (21.25 × 3) + 32.

The total length of Seth’s walls is 3.5 + (22.75 × 2) + 58.

To find the expression for the perimeter of the house, add Valerie’s expression to Seth’s:

(2.5 × 4) + (21.25 × 3) + 32 + 3.5 + (22.75 × 2) + 58.

Step-by-step explanation:

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Which expression shows the prime factorization of 36?
Svetradugi [14.3K]
36....we need to break this down...12 * 3 = 36
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6 0
3 years ago
There are 20 boys in Fred's scout troop, and 12 of them are going on the 50-mile hike. What percent of the boys are going on the
anygoal [31]

Answer:

60%

Step-by-step explanation:

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0.6=60%

4 0
3 years ago
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Pls Help! Which graph A,B or C?​
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6 0
2 years ago
Solve: 2x+3y=1<br> y=-2x+11
Sauron [17]

Answer:

(8, -5); x=8; y=-5

Step-by-step explanation:

i'll be solving via substitution

2x+3y=1; y=-2x+11

2x + 3(-2x +11) = 1

2x -6x +33 = 1

-4x = -32

x = 8

2(8) + 3y = 1

16 + 3y = 1

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y = -5

(8, -5)

Check:

-5 = -2(8) + 11

-5 = -16 + 11

-5 = -5

6 0
2 years ago
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