Aiden makes 12 bracelets on Monday. He makes 8 more bracelets each day from Tuesday through Thursday. How many bracelets does ai
2 answers:
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Answer:
Step-by-step explanation:
<h3>Equation of the blue line:</h3>since the line is horizontal and passes <u>-</u><u>2</u> the equation of the blue line should be
remember The form of equation of a line
where m is slope of the line and b is the y-intercept we can clearly see that the red line crosses y-axis at (0,-3) therefore b=-3
to figure out m we can consider the following formula:
from the graph we acquire ∆y=1 and ∆x=2
thus substitute:
so we have figured out m and b
therefore our equation of blue line is
our given options are in standard form so
move -3 to left hand side and change its sign:
cross multiplication:
move 6 to right hand side and x to left hand side and change its sign
multiply both sides by -1:
hence, our system of linear equation is