Step-by-step explanation:
<u>Given:</u>
- Total distance is 500 km
- Total time is 5 1/2 h
- The distance travelled at 100 km/h is x
- The distance travelled at 80 km/h is y
<u>We know that:</u>
<u>Considering all the info we can make below chart:</u>
Nikolas' car trip
<u> | at 100 km/h | at 80 km/h | Total |</u>
<u>Distance | x | y | 500 km |</u>
<u>Time | x/100 | y/80 | 5 1/2 h |</u>
Answer:
All real numbers except the number zero
Step-by-step explanation:
we know that
Observing the graph
The range is the interval
(-∞,0) U (0,∞)
The number zero is not included in the range
therefore
All real numbers except the number zero
<em>Hi there! It is.. 17955, I hope that helps! :) </em>
Answer:
20
Step-by-step explanation:
half of 20 is 10.
so 20 + 10 = 30