Answer:
a
Step-by-step explanation:
a. x=4, y=2
plug it in:
4+20=6 true
b. x=3, y=3
3+3=6
3=3+2
3=5 not equal
c. x=2,y=4
2+4=6
2=4+2
2=6 not true
d. x=6, y=4
6+4=6 not true
6=4+2
<u>Answer of question (1):</u>
The given speed = 12250 m/hr (meters per hour)
It is required to find speed in m/s (meter per second)
∵ one hour = 60 minutes = 3600 seconds
∴ speed = 12250 ÷ 3600 ≈ 3.4 m/sec (meter per second)
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<u>Answer of question (2):</u>
Distance = 75 km
Time = 15 hours
Average speed = Distance ÷ Time = 75 ÷ 15 = 5 km/hr (kilometer per hour)
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<u>Answer of question (3):</u>
Distance = 25 km
Time = 2.5 hours
Average speed = Distance ÷ Time = 25 ÷ 2.5 = 10 km/hr (kilometer per hour)
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<u>Answer of question (4):</u>
Speed = 800 km/hr
Distance = 4000 km
Time = Distance ÷ Speed = 4000 ÷ 800 = 5 hr.
Answer:
2.54 , 2 , 1/4 , -1.79 , -4
Step-by-step explanation:
Answer: 4.5 oz/25.5 g = 1 oz/X g
Step-by-step explanation: Crossed multiplies to solve for X.
Answer:
I honestly dont know, im sorry ill try and figure it out
Step-by-step explanation: