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timama [110]
3 years ago
12

Evaluate the expression (2x + y) - z when x= 3, y = 4, z =5​

Mathematics
1 answer:
Lapatulllka [165]3 years ago
5 0

Answer:

5

Step-by-step explanation:

(2x + y) - z

Let x=3  y=4 and z=5

2*3 +4 -5

Multiply and divide first

6 +4 -5

Then add and subtract

10-5

5

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Let x denotes a usual value.

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Therefore , the interval for the usual values is [135.8, 155.9] .

If interval for any usual value is [135.8, 155.9] , then any value should lie in this otherwise we call it unusual.

Let's check all options

a. 137  ,

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Hence, the correct answer is b. 134 .

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