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pogonyaev
3 years ago
14

Linear? y = 4xTrueFalse​

Mathematics
1 answer:
victus00 [196]3 years ago
8 0

Answer: True

<u>Step-by-step explanation:</u>

A linear function is of the form: y = mx + b    where

  • m is the slope (rise over run)
  • b is the y-intercept (where the line crosses the y-axis)

The given equation is y = 4x

In this equation, m = 4 and b = 0 so it is a linear function.

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Answer:

x = 4.17

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3 0
3 years ago
PLEASE HELP
nirvana33 [79]

You don't say whether this is a right triangle or not.

Assuming it is a right triangle, then we use the Pythagorean Theorem to determine the length of the hypotenuse:

(hypo) = (length of third side) = √(12^2 + 4^2) = √(144+16) = √160 = 4√10.

This is approx. 12.65 inches. Since this does not match any of the possible answer choices, we'll have to take a different approach to answering this question.

Given that 2 sides of the given triangle are 12 and 4 inches, respectively, we see that the 3rd side has to be longer than 8 inches; otherwise we'd have three line segments on the same line, not forming a triangle.

By this reasoning, 9 inches is the only possible answer that could be correct. With sides 12, 9 and 4 inches, the triangle would be obtuse and appear quite flat, but not be part of a straight line as with a third side of 8.


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