Add Do Not Use a Number Line Except as a Check

question 184

Multiple Choice

Add. Do not use a number line except as a check.
--1.2 + (-4.6) + 3.3

• A) 0.1
• B) -2.5
• C) -9.1
• D) 6.7

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Definitions:

Pressure Angle

The angle at which force is applied to the teeth of gears in mesh, affecting efficiency and strength of the gear teeth.

Radial Distance

The measure from the center of a circle to its perimeter, relevant in various contexts, including geometry and mechanical design.

Mating Tooth

In gear terminology, a tooth on one gear that engages with a corresponding tooth on a mating gear to transmit motion.

Addendum

In gear terminology, the radial distance between the pitch circle and the top of the teeth.