The line and parabola intersect at about x=-2 and x=1.5 so the solution is A. x = -2
Answer:
181.76
Step-by-step explanation:
The calculator gave me this answer
Answer:
1000 runners
Step-by-step explanation:
Take total number of runners to be -----------x
90% of x managed to complete the marathon= 90/100 × x =0.9x
30% of those who completed the marathon were men= 30% × 0.9x
=0.3×0.9x= 0.27x
=270 men completed the marathon; this means
0.27x=270--------------------------------find x by dividing both sides by 0.27
x= 270/0.27
x=1000 runners
Answer:
+10 or -10
Step-by-step explanation:
square root both sides
