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natulia [17]
3 years ago
10

If f(x) = -4x - 6, then f (0.3) = ____.

Mathematics
2 answers:
Ivahew [28]3 years ago
7 0

Answer:

-7.2

Step-by-step explanation:

-4(0.3)-6

-1.2-6

-7.2

Lunna [17]3 years ago
7 0

Answer:

-7.2

Step-by-step explanation:

-4(0.3)-6=

-1.2-6=

-7.2

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Novosadov [1.4K]

Answer:

  x = 16

Step-by-step explanation:

The equation shown can be solved this way.

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The positive solution is ...

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_____

Since this makes use of the Pythagorean theorem, you've probably run across the 3-4-5 triangle. You often find scaled versions of it in algebra and geometry problems. Here, it is scaled by a factor of 4 to give a 12-16-20 triangle as half of the display screen.

The 3-4-5 triple is the only Pythagorean triple that is an arithmetic sequence. So, if the difference in side lengths is 4 and the diagonal is 5×4, you can be pretty certain that x = 4×4 and x-4 = 4×3.

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