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Komok [63]
3 years ago
6

Which expression is equivalent to -2(5x – 0.75)?

Mathematics
2 answers:
Nostrana [21]3 years ago
5 0

Answer:

0 –10x + 1.5

Step-by-step explanation:

            -2(5x - 0.75)

-2*5x = -10            -2*0.75 = 1.5

                     

           >     -10x + 1.5   <

katen-ka-za [31]3 years ago
3 0

Answer:

0 - 10x + 1.5

Step-by-step explanation:

-2(5x - 0.75)

Expand the bracket

-10x + 1.5

0 - 10x + 1.5 is the equivalent expression

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Answer:

m/10?

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Answer:

Neither parallel nor perpendicular

Step-by-step explanation:

I'm assuming you meant line k is y = 3x -2. If not, this is wrong.

For this, you need to put both lines in point-slope form, or the form that line k is already in. This means you only need to convert line m.

-2r + 6v = 18

6v = 2r + 18

v = 2/6r + 18/6

v = 1/3r + 3

Now you can answer the question.

To be parallel, lines must have the same slope (but a different y-intercept). 3 and 1/3 are not the same, so the lines are not parallel.

To be perpendicular, one line must have the opposite reciprocal (fraction flipped and + goes to - or - to +) of the other. While 3 is the reciprocal of 1/3, they are both positive, so they are not perpendicular.

To be the same line, the equations must be absolutely identical, which they aren't.

This leaves the last option: neither.

Let me know if you need a more in-depth explanation of anything here! I'm happy to help!

3 0
2 years ago
Read 2 more answers
In a three-dimensional coordinate system, which of the following generally points upward?
tatiyna
<span>In a three-dimensional coordinate system, the following generally points upward 
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Step-by-step explanation:

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