Answer:
the answer is B (2,1)
Step-by-step explanation:
Given the simultaneous equation
Using substitution method
from equation 2 :
Substitute equation 3 into 1:
Open the bracket
Substitute y=1 into x=3-y
Hence the solution to the equation is (2,1)
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Answer:
31.6
Step-by-step explanation:
26+18=44
90-44
Step-by-step explanation:
construct 90° then measure 4.6 cm and draw a line from F to D