3 years ago

What is the value of x?

Mathematics

1 answer:

larisa86 [58]3 years ago

4 0

Answer:

it is 10

Step-by-step

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Using appropriate properties, find the value of 249² - 248²

Lady_Fox [76]

Answer:

$\boxed{\bold{\huge{\boxed{497}}}}$

Step-by-step explanation:

=> $\sf 249^2 - 248^2$

Using Formula $\sf a^2 - b^2 = (a+b)(a-b)$

Where

a = 249

b = 248

=> $\sf (249+248)(249-248)$

=> $\sf (497)(1)$

=> 497

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3 years ago

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4 years ago

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Step-by-step explanation:

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