Mathematics
18.08.2021 12:47
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Find the output of the function y = x - 4 if the input is 21
Find the output of the function y = x - 4 if the input is 21
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dmc79765
4,5(76 marks)
Substitute 21 for x.
y = 21 - 4 = 17
y = 21 - 4 = 17
sauloro06
4,4(87 marks)
x=y=z=106
Step-by-step explanation:
The upper line is a straight line, so x+74=180, x=106.
y and x are equal in measure as it's a pair of parallel lines and z=y as they are alternate interior angles
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