2 years ago

The rule x→y=|x| mark all these points on a coordinate plane

Mathematics

2 answers:

Blizzard [7]2 years ago

8 0

Answer:

Step-by-step explanation:

On the real x-y plane, y = |x| is represented by two separate straight lines:

y = x for x >= 0, and

y = -x for x < 0

Anastasy [175]2 years ago

7 0

Answer:

see graph below

Step-by-step explanation:

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Tom bought a PS4 on Black Friday for 25% off. If the system sells for $399, what is the sales price of the PS4?

Delicious77 [7]

Answer:

The sales price of the PS4 is $532.

Step-by-step explanation:

The system sells for $399 after giving 25% off on a Black Friday on the sales price.

Let the sales price of the PS4 system is $x.

Then after giving 25% discount the price will become $x(1 - \frac{25}{100}) = 0.75x$

Therefore, 0.75x = 399

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Anastaziya [24]

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3 years ago

Please answer! Correct earns brainliest!

kati45 [8]

Answer:

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Step-by-step explanation:

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2 years ago

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Solve the equation for x : 4x•2-12x=7

Sergio039 [100]

<span>4x•2-12x=7
Subtract 12x from 4x
-8x*2=7
Divide 2 on both sides
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Divide both sides by -8
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3 years ago