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stiks02 [169]
3 years ago
7

tony has 4 cards in front of her. Her task is to choose 1 more to add to her 4 cards so that the sum of all 5 cards is 0

Mathematics
1 answer:
Mice21 [21]3 years ago
4 0

Answer: use subtraction

Step-by-step explanation:   u welcome

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4 years ago
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mr_godi [17]

Answer:

Step-by-step explanation:

answer no 3:

1] Factor out the common term 2.

2(3x+y) = -26

2] Divide both sides by 2.

3x+y= -26/2

3x+y = − 13

 

3]Subtract y from both sides.

3x = - 13-y

4] Divide both sides by 3.

x = -13-y/3

Part 2:-

Add 6y to both sides.

x=21+6y

x=21+6y

​  

4 0
3 years ago
Solve for the missing variable<br><br> X - 9 = 50<br><br> 10x = 80
Luda [366]

Answer

x=50+9

x=59

x=80/10

x=8

Step-by-step explanation:

Hope this helps u...

7 0
3 years ago
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HELPPP <br> what is the value of 6n-2 when n=3?<br><br><br> I BEG
ivann1987 [24]

Answer:

16

Step-by-step explanation:

If n = 3, just put the number 3 instead of n.

So:

6n-2 = 6 * 3 - 2 = 18 - 2 = 16

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3 years ago
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What is the recursive rule for an=2n+11?
Dmitrij [34]
The answer is B 
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