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g100num [7]
2 years ago
6

Pls help me with this

Mathematics
2 answers:
BartSMP [9]2 years ago
6 0

Answer:

400 tiles

Step-by-step explanation:

40 x 400/100 = 160

Montano1993 [528]2 years ago
4 0
Simply take the 160 divided by .40 (the decimal shows it’s a percentage).

160 / .40 = 400

Hope this helps! Have a great day!
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Answer:

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Step-by-step explanation:

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Completing the square is fast here:

Rewrite x²-4x+9=0 as   x²-4x                    +9=0

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Square this result, obtaining 4

Add 4 to   x²-4x                    +9=0, in the blank space in the middle, and then subtract 4:      x²-4x +4          -4         +9=0

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3 years ago
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