The equation shows the relationship between x and y:
2 answers:
Answer:
The correct option is 2. The slope of the equation is -9.
Step-by-step explanation:
The given equation is
..... (1)
The slope intercept form of a line is
.... (2)
Where, m is the slope and b is y-intercept.
On comparing (1) and (2), we get
and
Therefore, the slope of the equation is -9 and y-intercept is (0,5). Option 2 is correct.
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Use a proportion to find how many seconds are needed to fold 5 shirts.
We are given that he takes 28 seconds to fold 2 shirts:
28 sec : 2 shirts
We are not given the amount of time needed for 5 shirts, which we need to solve:
x seconds : 5 shirts
Express in a fraction:
Cross multiply and simplify:
Therefore, he needs 70 seconds to fold 5 shirts.