3 years ago

Help plz what is -6 + -12????

Mathematics

1 answer:

FinnZ [79.3K]3 years ago

4 0

Answer:

-6 + -12 equals -18.

Step-by-step explanation:

You add 6 + 12 like it's an addition problem, and you'll get -18.

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6 semicircles = 3 circles

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$A_\triangle=\dfrac{a^2\sqrt3}{4}$

We have a = |AE| = 3cm. Substitute:

$A_\triangle=\dfrac{3^2\sqrt3}{4}=\dfrac{9\sqrt3}{4}\ cm^2$

The formula of the area of a circle:

$A_O=\pi r^2$

We have 2r = |AE| =3cm → r = 1.5cm. Substitute:

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The area of the figure:

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3 years ago

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tamaranim1 [39]

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3 years ago

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Hatshy [7]

Answer:

1, 3, and 4 would be correct answers

Step-by-step explanation:

1.) -x - 2x - 3y - 2y + 1 + 1 = -3x -5y + 2

2.) -3x + 2y + 3y + 2 = -3x + 5y + 2

3.) -3x - y - y - y - y - y + 2 = -3x - 5y + 2

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5.) x + x + x + y + y + y + y + y + 1 + 1 = 3x + 5y + 2

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