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Tanzania [10]
3 years ago
10

How do you use the additive inverse to evaluate an expression that uses subtraction?

Mathematics
2 answers:
wariber [46]3 years ago
4 0

Answer:

You use additive inverse to combine like terms that are on opposite sides of the equation.

Step-by-step explanation:

Harlamova29_29 [7]3 years ago
3 0
You use additive inverse to combine like terms that are on opposite sides of the equation. 
ie.
3x + 1 = 6x -12 
You use additive inverse to move -12 to the +1
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A varies directly with B. If A=44 when B=110, find A when B=140
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a =  \frac{44 \times 140}{110}  = 56

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What is the slope of the line passing through the point(2,-1) and the origin.
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Answer:

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3 years ago
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A guy wire supports an antenna tower, as shown at the right. The bottom of the wire is secured in the ground 30 feet from the ba
babunello [35]

Answer:

The wire is approximately 42feet long

Step-by-step explanation:

We can mentally sketch out the shape that is formed between the guy wire and the antenna tower. This is simply a right-angled triangle with the opposite side being the height of the antenna (30 feet). The adjacent side is the distance on the ground between the point where the wire was fastened and the base of the antenna.

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Parameters are given as:

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