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Answer:
10 meters/sec
1 meter=.001km
10meter=.01km
1hr=3,600 seconds
3,600 sec x .01km = 36 km per hour
36 km/hourx2 hours= 72 km in 2 hours
Point D that is the intersection of the the given lines
Answer:
1) x= -1/27
2) x=-4
3) x=13
Step-by-step explanation:
1) 7+7/9x= = -42
14/9x= = -42
14/9x X 9x= -42 X 9x
14= -378x
-378x= 14
-378x/-378= 14/-378
x= -1/27
2) 4x+1=−15
4x+1-1=-15-1
4x=-16
4x/4= -16/4
x=-4
3) −4(x−3)=−40
-4(x-3)/-4= -40/4
x-3=10
x-3+3=10+3
x=13
-5 because it’s like 20 divided by 4 but with a negative
