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malfutka [58]
3 years ago
8

Solve for the value of z.

Mathematics
1 answer:
Yuki888 [10]3 years ago
4 0

z=18

3z+4+2z-4+90=180

5z+4-4+90=180

5z+90=180

5z=90

z=18

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The equation y=2.54x gives the length y in centimeters corresponding to a length x in inches. What is the length in centimeters
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The equation given in the question is
y = 2.54 x
In this equation, x is in cm and y is in inches
Size of the ruler = 1 foot 
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Putting the value of 12 inches in the equation, we get
y = 2.54x
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