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3 years ago

11

The rectangle shown has a perimeter

1 answer:

tresset_1 [31]3 years ago

8 0

L = 5+ 2W

LW= 250

you really only need 2 equations

but if you want you could also put

L+W = 35 cm

W= 10

L= 25

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erastovalidia [21]

Answer:

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3 years ago

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Slav-nsk [51]

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PLS ANSWER QUICK! Thanks!

ziro4ka [17]

Answer:

The correct answer would be $a=\sqrt{c^2-b^2}$

Step-by-step explanation:

given $a^2+b^2=c^2$ we want to solve for a

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We can do this by using basic algebra ( isolating the variable (a ))

Step 1 subtract $b^2$ from each side

$a^2+b^2-b^2=a^2\\c^2-b^2=c^2-b^2$

now we have $a^2=c^2-b^2$

step 2 take the square root of each side

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we're left with $a=\sqrt{c^2-b^2}$

Hence your answer is A

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3 years ago