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3 years ago

5

Fourth geometry question

2 answers:

CaHeK987 [17]3 years ago

7 0

Δ DEC is a reflection of ΔABC across line k.

vesna_86 [32]3 years ago

7 0

Lines DEC are a Reflection of lines ABC and the way you van tell is you visualize in your mind flipping the image to the right or to the left it doesn't matter but if they line up then that is how you know it is a reflection.
I hope this helps a lot and have a good day.

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Is this table proportional or non-proportional?

tatyana61 [14]

Answer:

in my opinon, this table is proportional

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2 years ago

What is the solution to = n/4 -12.4?

aleksandr82 [10.1K]

Answer:

I need the rest of the question

Step-by-step explanation:

Sorry I want to help you but I cant unless there is a (example): 12+-3= n/4 -12.4

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3 years ago

Sebastian solved the radical equation y + 1 = but did not check his solution. (y + 1)2 = y2 + 2y + 1 = –2y – 3 y2 + 4y + 4 = 0 (

Softa [21]

Answer:

There are no true solutions to the equation.

Step-by-step explanation:

<u><em>The correct equation is</em></u>

$y+1=\sqrt{-2y-3}$

Solve for y

squared both sides

$(y+1)^2=(-2y-3)$

$(y^2+2y+1)=(-2y-3)$

$y^2+2y+1+2y+3=0$

$y^2+4y+4=0$

$(y+2)(y+2)=0$

$y=-2$

<em>Verify</em>

substitute the value of y in the original expression

$-2+1=\sqrt{-2(-2)-3}$

$-1=1$ ----> is not true

therefore

There are no true solutions to the equation.

4 0

3 years ago

Can some one help me i need help it is 6x-1/5=3/1 but its not hole numbers

baherus [9]

X = 8/15
6x - 1/5 = 3/1
6x - 1/5 = 3
6x = 3 + 1/5
6x = 15 + 1 over 5
6x = 16/5
x = 16/30
Then, you simplify.
x = 8/15

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2 years ago

Read 2 more answers

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Nataliya [291]

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2 years ago