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navik [9.2K]
2 years ago
6

Find m∠Y if m∠Y is six more than three times its supplement.

Mathematics
2 answers:
rjkz [21]2 years ago
5 0

Answer:

<h2>136.5°</h2>

Step-by-step explanation:

"m\angle Y is six more then three times its supplement".

Three times refers to multiply by 3, and six more implies and addition.

Supplement indicates that the sum of those angles is 180°.

So, the problem can be expressed as

m \angle Y=3(180-m\angle Y)+6

Solving for angle Y, we have

m \angle Y=540-3m\angle Y+6\\m \angle Y+3m \angle Y=546\\4m \angle Y=546\\m \angle Y=\frac{546}{4}=136.5

And the supplement is

180 - m\angle Y=180-136.5=43.5

Therefore, the angle is 136.5°.

Svetlanka [38]2 years ago
3 0
To answer this item, we let x be the measure of angle Y. If we say supplement, it is understood that when we sum up the measures of the two angles (angle Y and its supplement) the answer should be 180. Therefore the other angle is 180-x. Going back to the condition given in this item, we will be able to generate an equation,
                                         x = 3(180 - x)
The value of x from the equation is 135. Thus, m∠Y is 135°.
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Answer:

The correct order of the steps is CEABD ⇒ B

Step-by-step explanation:

Let us arrange the figures

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Fourth: without change the open of the compass place its pin on point E and draw an arc which intersects the arc drawn from point D at point C

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Answer:

The wrt=itten expressions are too difficult to interpret properly.  I did my best but I don't see any of the answers as equivalent to <u>-3x - 2y, so please check my interpretations of the answer options.</u>

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"Negative 3 x minus one-half 4 y"

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<u>or -3x - 2y</u>

<u>=====</u>

The answer options are too garbled for me to make sense of them.  Are they:

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2.  2 x Negative 2 x minus one-half 6 y :  2(-2x)- (1/2)6y; <u>-4x - 3y</u>  ?

3.  3 x Negative 3 x minus three-fourths 4 y :  3x(-3x) - (3/4)4y;  <u>-9x -3y</u>  ?

4.   one-fourth Negative 3 y minus three-fourths 7 y one-fourth minus 3 x:

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