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2 years ago

Help!!!!!!!!!!!!!!!!

Mathematics

1 answer:

lisov135 [29]2 years ago

3 0

Answer:

Its B

Step-by-step explanation:

one of the rectangles area has the length and width of 2 and 6 so 2*6=12

the other rectangles area has the length and width of 3 and 4 os 3*4=12

finally 12+12=24 in^2

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Alexeev081 [22]

Answer:

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Step-by-step explanation:

The given quadratic equation is

$5x^2-7x+2=0$

Group the constant terms on the right hand side.

$5x^2-7x=0-2$

$5x^2-7x=-2$

Divide through by 5.

$x^2-\frac{7}{5}x=-\frac{2}{5}$

Add the square of half the coefficient of x., which is $(\frac{1}{2}\times- \frac{7}{5})^2=\frac{49}{100}$ to both sides of the equation.

$x^2-\frac{7}{5}x+\frac{49}{100}=-\frac{2}{5}+\frac{49}{100}$

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$x-\frac{7}{10}=\pm \frac{3}{10}$

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$x=\frac{7-3}{10}$ or $x=\frac{7+3}{10}$

$x=\frac{4}{10}$ or $x=\frac{10}{10}$

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