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hammer [34]
2 years ago
7

Which expressions are equivalent? need done asap .

Mathematics
1 answer:
Mashutka [201]2 years ago
3 0

Answer:

1st one

Step-by-step explanation:

it is just rearranged
Remember that when there is no sign in front of the first one, there is an invisible plus/positive sign

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Which of the following does NOT have a value of -5?
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J. -13-18

Step-by-step explanation:

J will give the value -31

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For the equation y= x + 5, find the value of y when
Nina [5.8K]

Answer:

a) 3 b) 5 c) 7 d) 9

Step-by-step explanation:

For this, you want to replace x in the equation y=x+5 with each of the values listed.

For the first one, -2, the equation becomes y=-2+5, which is solved to y=3.

For the second one, 0, the equation becomes y=0+5, which is solved to y=5.

For the third one, 2, the equation becomes y=2+5, which is solved to y=7.

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**This content involves solving algebraic equations with a known variable, which you may wish to revise. I'm always happy to help!

5 0
2 years ago
Heng tried to define a reflection across line r.
Maurinko [17]

Answer:

Any point N on line r maps to itself.

Step-by-step explanation:

Reflection is one of the examples of solid transformation in which a given point, segment, or figure is flipped over a reference point or line to produce its image. The distance of the object to the reference point or line is the same as the distance of its image to the point or line. And both have the same size, but different orientation.

The option that does not fully define a reflection is; any point N on line r maps to itself, because no image of point N is produced after the operation.

5 0
3 years ago
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