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LenKa [72]
3 years ago
9

3. Simplify the expression by combining like terms. 10x+2x+4y

Mathematics
1 answer:
ch4aika [34]3 years ago
4 0
It is D, when you simplify something you combine all the x’s and y’s together to make the problem simple :)
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Samantha has 4 boxes of action figures. Each box contains 198 figures. which expression shows a strategy Samantha can use to fin
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Number of action figures each box contains = 198

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4 x (200 - 2) = 4\times198


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2 years ago
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erica [24]
(36 3/4" + 36 3/8" + 371/2" +z) /4 = 36 5/8" 
This is the equation that you would get for the average. Now we just solve for z. 
Following PEMDAS you have to mulitply the equation by 4 to get rid of the divide by 4 part. 
4( (36 3/4" + 36 3/8" + 371/2" +z) /4 = 36 5/8)
Which does this
 36 3/4" + 36 3/8" + 371/2" +z = 146 1/2" 
Now you have to add and subtract to get "z" by itself. 
36 3/4" + 36 3/8" + 371/2" = 110 5/8" 
(110 5/8" + z = 146 1/2" ) -110 5/8"
z= 35 7/8", so the answer is b
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