Answer:
If a child took just one minute, distance is less than 0,8 km
Step-by-step explanation:
speed= 125 m/min = 0,125 km/min,
distance=0,8 km
time= 0,8 km / 0,125 km/min = 6,4 min.
Answer:
132 degrees
Step-by-step explanation:
x+ 3+7x-15=180
8x -12 =180
8x = 168
x=21
7(21) -15
147-15
132
Answer:y=3x+2
Step-by-step explanation:
2x-5y= -5
-2/*x+2y=11
2x-5y= -5
-2x-4y= -22
+------------------
-9y=-27
y=3
x+2y=11
x+2*3=11
x=5
Answer:
B
Step-by-step explanation:
The slope is -3/7. Use the point-slope form to write the equation.
(y-8)=-3/7(x-5)