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svet-max [94.6K]
2 years ago
11

The weight of an object on a particular scale is 145.2 lbs. The measured weight may vary from the actual weight by at most 0.3 l

bs. What is the range of actual weights of the object?
Mathematics
2 answers:
Ivenika [448]2 years ago
7 0

Answer:

144.9\leq x\leq 145.5

Step-by-step explanation:

Let x represent actual weight of object.

We have been that the weight of an object on a particular scale is 145.2 lbs. The measured weight may vary from the actual weight by at most 0.3 lbs.

|\text{Actual}-\text{Ideal}|\leq \text{Tolerance}.

Upon substituting our given values, we will get:

|x-145.2|\leq 0.3

Applying absolute value rule |u|\leq a=-a\leq u\leq a, we will get:

-0.3\leq x-145.2\leq 0.3

Add 145.2 on each side:

-0.3+145.2\leq x-145.2+145.2\leq 0.3+145.2

144.9\leq x\leq 145.5

Therefore, our required range will be 144.9\leq x\leq 145.5.

Stels [109]2 years ago
3 0
<span>145.2-0.3=144.9
</span><span>145.2+0.3=145.5
The range is 144.9-145.5</span>
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