3 years ago

Can someone help me out

1 answer:

madam [21]3 years ago

3 0

the first part isn't 90, it's 180.

the whole circle is 360, half of 360 is 180

an acute angle is any angle less than 90 degrees.

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Annette [7]

Answer:

$\left \{ {{x=3} \atop {y=-7}} \right.$

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We can directly substitute y of the first equation to the second equation.

-2x - 1 = 3x - 16

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Substituting back to any of the two equations, we get y = -2(3)-1 = -7. If you check with the second equation, y = 3(3)-16 = -7 as well.

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3 years ago

Tomtit [17]

Uhm, did you, maybe, type in the problem wrong? The answer to this equation is: 18/5 or 3.6, lol, no worries, though!

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3 years ago