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aniked [119]
2 years ago
12

3y+4=-8 what does y equal?

Mathematics
2 answers:
lions [1.4K]2 years ago
6 0

Answer: y=-4

<u>Subtract 4 from both sides</u>

<u></u>3y+4-4=-8-4\\3y=-12<u></u>

<u></u>

<u>Divide both sides by 3</u>

<u></u>3y/3=-12/3<u></u>

<u></u>

<u></u>y=-4<u></u>

Harrizon [31]2 years ago
6 0
3y+4=-8
-4=-4
3y=-12
3y/3=-12/3
Y=-4
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What set of reflections would carry trapezoid ABCD onto itself? (1 point) Trapezoid ABCD is shown. A is at negative 5, 1. B is a
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Answer:

y=x, x axis,  y=x, y axis

Step-by-step explanation:

If a point A(x, y) is reflected along the y = x line, the new coordinates would be A'(y, x)

If a point A(x, y) is reflected across the x axis, the new coordinates would be A'(x, -y)

If a point A(x, y) is reflected along the y axis, the new coordinates would be A'(-x, y)

Firstly reflect Trapezoid ABCD along the y = x line to give:

A (-5, 1) ⇒ A'(1, -5). B (-4, 3) ⇒ B'(3, -4). C (-2, 3) ⇒C'(3, -2). D (-1, 1) ⇒ D'(1, -1)

Secondly reflect along the x axis to give:

A'(1, -5)⇒ A"(1,5). B'(3, -4)⇒ B"(3,4), C'(3, -2)⇒C"(3, 2), D'(1, -1) ⇒ D"(1, 1)

Thirdly reflect along the y = x line to give:

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Lastly reflect along the y axis to give:

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3 years ago
N/45=1/15<br> a. n= 1/3<br> b. n=4<br> c. n=675<br> d. n=3
jek_recluse [69]

Answer:

n=3

Step-by-step explanation:

n/45=1/45

cross multiplying

15n=45

n=45/15

n=3

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