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love history [14]
2 years ago
12

You have solved a system of equations by substitution and got one solution. How were you able to determine it was one solution?

Mathematics
1 answer:
sergeinik [125]2 years ago
7 0

Answer: the variable can not be replaced by any other number

Step-by-step explanation:

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I need to know 7 and 8
insens350 [35]
7:
5x12=60
8x14=112
60+112=172

8:
12X28=336

hope this helps :)
4 0
3 years ago
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What is the number for thirty-nine million five thousand in standard form
hammer [34]
395,000,000 i think not sure
5 0
3 years ago
Graph the image of F(-8, 10) after a rotation 180° counterclockwise around the origin.
pychu [463]

Answer:

F' is at (8, -10)

Step-by-step explanation:

clockwise or counter-clockwise do not matter when the rotation is 180°

6 0
2 years ago
Mitchell use one fourth of a carton of 12 eggs to make an omelette how many eggs did she use
Leto [7]
3 Eggs: 4 times what equals 12? (We use 4 because its 1/4 or a quarter) 3 times 4 equals 12.
6 0
3 years ago
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Create a model to show 2 × 5.
Sliva [168]

Answer:

The model is shown in the attached picture. The solution is 10.

Step-by-step explanation:

There are two way of showing a model for 2×5

  1. The tape diagram has 2 equal-sized parts of 5
  2. The tape diagram has 5 equal-sized parts of 2

Both models give the same solution:

  1. 5+5=10
  2. 2+2+2+2+2=10

In the attached picture we can show two types of diagram.

5 0
3 years ago
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