A certain journey by train takes 5 hours at the speed of 45 km/h. What will be the speed of the train to complete the same journey in 3 hours?
Answer:
1/3 of a mile
Step-by-step explanation:
If she walks 2/3 of a mile everyday going to and from school. That makes it 1/3 of a mile in the morning and 1/3 of a mile in the afternoon. Which equals you total of 2/3
Answer:
4 hours
Step-by-step explanation:
For three visits, the electrician earned $40 × 3 = $120 in "per-visit" charges. For working x hours, he earned 20x in "per-hour" charges. The total of these came to 50x:
120 +20x = 50x
120 = 30x . . . . . . . . subtract 20x
4 = x . . . . . . . . . . . . . divide by 30
The electrician worked 4 hours that day.
<span>C) Right
https://www.desmos.com/calculator/vf2qksnpwe
</span>right triangle
<span>Proof: You can apply the Pythagorean theorem.</span>
