2 years ago

Which polynomial identity will prove that 49 − 4 = 45?

1 answer:

3 0

49 is a square of 7 and 4 is a square of 2. To get 45 you need to subtract 7² and 2². Therefore, its the difference of squares.

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Mandarinka [93]

Answer:

Length 6, Width 2

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Vladimir79 [104]

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aliya0001 [1]

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Veseljchak [2.6K]

here's the solution : -

if i made 9 costumes and it is 30 % of total costumes, so lets take the total number of costumes as <u>x</u><u> </u>

so, by above statement we get,

$\frac{30}{100} \times x = 9$

=》

$x = 9 \times \frac{100}{30}$

=》

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so, total number of costumes = 30 costumes.

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2 years ago