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3 years ago

Someone help me please ?

Mathematics

2 answers:

Ierofanga [76]3 years ago

5 0

You multiply using tho equation
2 (WL+HL+HW)
which when you enter the values you get 88 square units.

FinnZ [79.3K]3 years ago

3 0

The answer is 24 square units because for this all you have to do is count how many squares are on the top. plz mark brainliest!!!!!!!!!!!!!!!

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Solve for x.<br> 2x² +21x-61 = (x+7)²<br><br> Please

Ymorist [56]

Answer:

$x = \frac{-7 +\sqrt{489} }{2}$

$x = \frac{-7 - \sqrt{489} }{2}$

Step-by-step explanation:

2x² +21x-61 = (x+7)²

expand

2x² + 21x - 61 = x² + 14x +49

move everything to one side

x² + 7x - 12 = 0

use quadratic formula

$x = \frac{-b +- \sqrt{b^{2}-4ac } }{2a}$

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$x = \frac{-7 +- \sqrt{7^{2}-4(1)(-110) } }{2(1)}$

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$x = \frac{-7 +- \sqrt{49 + 440 } }{2}$

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2 years ago

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2 years ago

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sveticcg [70]

Answer:

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