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Norma-Jean [14]

3 years ago

12

What is the value of x ??? in trapezoid ABCD?? HELP ASAP

1 answer:

Alexeev081 [22]3 years ago

8 0

It would be 15 because the way you would set it up is equal to 180 because they are opposite and they have to add up to 180 in order for the whole shape to be 360. so 3x+9x=180 and then 12x=180 and divide 180 by 12 which is 15 and you can also plug in 15 to check

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Naddik [55]

The first one in incorrect , it should be 130 but the rest are correct !

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3 years ago

Choose the system of inequalities that best matches the graph below.

lapo4ka [179]

Answer:

D) $y\:$ , $y\:>\:-x$

Step-by-step explanation:

The blue boundary line has a y-intercept of 2 and a slope of 2.

It has equation : $y=2x+2$

Since the boundary line is not solid and the lower half plane of this line is shaded, its inequality is

$y\:$

The blue boundary line passes through the origin and has slope $-1$ .

Its equation is $y=-x.$

Since the boundary line is not solid and the right half-plane is shaded, its inequality is $y\:>\:-x$

The correct choice is D.

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bagirrra123 [75]

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musickatia [10]

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Step-by-step explanation:

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algol13

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