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2 years ago

BRAINLIEST help pls,,,,,,,,,,,,,

Mathematics

2 answers:

icang [17]2 years ago

7 0

Hey there!

1/3 = ?/12

If we observe denominator , it is multiplied by 4

So we must multiple numerator by 4 too

=> 1/3 x 4/4 = 4/12

? = 12.

White raven [17]2 years ago

7 0

2/12 would be the answer

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2 years ago

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Solve: -3= 12x - 5(2x - 7) X = -19 19 71 = =-11 10 11 I= 19

alexgriva [62]

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$\boxed{ \bold{ \huge{ \boxed{ \sf{x = - 19}}}}}$

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$\sf{ - 3 = 12x - 5(2x - 7)}$

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3 years ago

mr.lumen replaced a square window with a rectangular one.The new window is 3 ft wider and 2 ft higher than the square one.it has

stira [4]

Alright, lets get started.

Suppose the original square window has the side = x feet

The new window is 3 ft wider and 2 ft higher than the square one.

Means length of the new window will be = $(x+3)$

Width of the new window will be = $(x+2)$

So the area of the new window will be = $(x+3)(x+2)$

So the area of the new window will be = $x^2 + 2x + 3x + 6$

So the area of the new window will be = $x^2 + 5x + 6$

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$x^2 + 5x + 6 = 30$

$x^2 + 5x - 24 = 0$

Factoring

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x = -8 or x = 3

Side could not be negative hence

side of the original square window will be = 3 feet : Answer

Hope it will help :)

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4 years ago

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