A car travels 12 km in 15 minutes.
Work out the average speed of the car in km/h.
1 answer:
Step-by-step explanation:
s=12km t=15m
15m--> km= 15/60= 0,25h
V=s/t
V=12km/0,25h
V= 48 km/h
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2a - b....a = 2 and b = 3
2(2) - 3 =
4 - 3 =
1
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Answer:
4 ft
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh
9 = 1/2 (4.5)h
9 =2.25 h
Divide each side by 2.25
9/2.25 = 2.25h/2.25
4 =h
2x - 6 < -10 ... (1)
6x + 10 > 28 ... (2)
• Step-by-step solution:
-> Equation 1
• Move -6 to right side
-> 2x < -10 + 6
-> 2x < -4
• Divide both sides by 2
-> 2x/2 < -4/2
-> x < -2 ... (1)
-> Equation 2
• Move 10 to right side
-> 6x > 28 - 10
-> 6x > 18
• Divide both sides by 6
-> 6x/6 > 18/6
-> x > 3 ... (2)
• Both equations
-> x < -2 ... (1)
-> x > 3 ... (2)
Graphs
Step-by-step explanation:
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