Answer:
502.65
Step-by-step explanation:
Answer:

<h3>✏
<u>cm²</u></h3>
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Answer:
n=10
Step-by-step explanation:
5n-20=3n
-20=-2n
10=n
Answer:
the answer is 40
Step-by-step explanation:
because when you estimate 1 it will give you zero for example from 1234=0 56789 =1 so 1=to zero so the answer is 40
Answer:
x = -10
Step-by-step explanation:
2(x+3) = x-4 --> multiply (x+2) times 2
2x+6 = x - 4 --> subtract x from both sides
x+6 = -4 --> subtract 6 from both sides
x = -10