The answers to a system of equations are the intersections, because those are the points where the two sides are actually equal. In this case, the line and parabola intersect at (4,0) and (9,5)
Answer:
105km
Step-by-step explanation:
2.5/15=17.5/x (set up as a proportion)
2.5x=262.5 (cross multiply)
x=105 (Divide)
Answer:
h < 100
Step-by-step explanation:
isolate h by dividing both sides by 2
h < 100
num one u divide 8 by hundred multiplied by half to get ur answer
Answer:
8 hours
Step-by-step explanation:
4 + 1.75x ≤ 18, where x = the number of hours
1.75x ≤ 18 - 4
1.75x ≤ 14
x ≤ 14/1.75
x ≤ 8 hours