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Dimas [21]
3 years ago
9

7(b+4)=14 find the value of the variable

Mathematics
2 answers:
Tasya [4]3 years ago
4 0

Answer:

b= -2

Step-by-step explanation:

Artist 52 [7]3 years ago
4 0

Answer:

b = -2

Step-by-step explanation:

First, isolate (b + 4) by dividing both sides of this equation by 7.  We get:

b + 4 = 2, so that b = -2

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The answer is 16 cm (or 0.16 m).

The scale is the ratio of the model to the real thing.
So, in the scale 1:50, the model is 1, while the real thing is 50.
Now, just make a proportion:
the model : the real thing = the model dimension : the real thing dimension
        1         :          50         =                   x                 :                    8m

From here:
x = 8m * 1 / 50 = 0.16 m = 0.16 * 100 cm = 16 cm.
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Citrus2011 [14]
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MrRissso [65]

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