42.45 Additive Inverse :

The additive inverse of 42.45 is -42.45.

This means that when we add 42.45 and -42.45, the result is zero:

42.45 + (-42.45) = 0

Additive Inverse of a Decimal Number

For decimal numbers, we simply change the sign of the number:

  • Original number: 42.45
  • Additive inverse: -42.45

To verify: 42.45 + (-42.45) = 0

Extended Mathematical Exploration of 42.45

Let's explore various mathematical operations and concepts related to 42.45 and its additive inverse -42.45.

Basic Operations and Properties

  • Square of 42.45: 1802.0025
  • Cube of 42.45: 76495.006125
  • Square root of |42.45|: 6.5153664517048
  • Reciprocal of 42.45: 0.023557126030624
  • Double of 42.45: 84.9
  • Half of 42.45: 21.225
  • Absolute value of 42.45: 42.45

Trigonometric Functions

  • Sine of 42.45: -0.99925899823498
  • Cosine of 42.45: 0.038489666748694
  • Tangent of 42.45: -25.961747207616

Exponential and Logarithmic Functions

  • e^42.45: 2.7277260847043E+18
  • Natural log of 42.45: 3.7483269127574

Floor and Ceiling Functions

  • Floor of 42.45: 42
  • Ceiling of 42.45: 43

Interesting Properties and Relationships

  • The sum of 42.45 and its additive inverse (-42.45) is always 0.
  • The product of 42.45 and its additive inverse is: -1802.0025
  • The average of 42.45 and its additive inverse is always 0.
  • The distance between 42.45 and its additive inverse on a number line is: 84.9

Applications in Algebra

Consider the equation: x + 42.45 = 0

The solution to this equation is x = -42.45, which is the additive inverse of 42.45.

Graphical Representation

On a coordinate plane:

  • The point (42.45, 0) is reflected across the y-axis to (-42.45, 0).
  • The midpoint between these two points is always (0, 0).

Series Involving 42.45 and Its Additive Inverse

Consider the alternating series: 42.45 + (-42.45) + 42.45 + (-42.45) + ...

The sum of this series oscillates between 0 and 42.45, never converging unless 42.45 is 0.

In Number Theory

For integer values:

  • If 42.45 is even, its additive inverse is also even.
  • If 42.45 is odd, its additive inverse is also odd.
  • The sum of the digits of 42.45 and its additive inverse may or may not be the same.

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