See attached
Step-by-step explanation:
The equation given is;
y+1= -3/5 (x-4)
This can be written is slope form of y=mx+c where m is the slope and c is the y-intercept
y+1=-3/5x+12/5
y= -3/5 x +12/5-1
y= -3/5 x +1.4
Plotting this equation gives a linear graph that has a negative slope and intersect the y-axis at y=1.4
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He bikes 15 miles which is 10 times more than he swims. He runs 9 miles which is half of what he bikes 15/2=7.5. Plus the addition 1.5 miles which is 9. He swims .10 of what he bikes which is 15x.10 which is 1.5 . So he swims 1.5 miles.
Bikes = 15 miles
Run= 9 miles
Swim= 1.5 miles
Add all of them and you get 25.5 which the total amount of miles for his training that day.
Step-by-step explanation:
Distance = rate × time
If B is the rate of the boat, and C is the rate of the current, then we can write two equations:
18 = (B + C) × 3
18 = (B − C) × 9
Simplifying the equations:
6 = B + C
2 = B − C
Add the equations together to eliminate C:
8 = 2B
B = 4
Plug into either equation to find C:
C = 2
The boat's rate is 4 mph, and the current's rate is 2 mph.