0=44-25t-5t^2
t^2+2t-8=0
(t+4)(t-2)=0
t=-4 (not a solution) or t=2
Answer: after 2 seconds
Answer:
She should have about $150
Step-by-step explanation:
If you round all the numbers you get..
140-50-20+80
140-50-20=70
70+80=150
You can solve this question using two different methods. One is obviously a hit and trial method in which you keep guessing a number which gives the same amount of total cost. Second is forming two different equations and then solving them using simultaneous methods learnt.
The correct answer is 75 miles. I used the hit and trial method. You can see 20 + 75 * 0.35 = 46.25 and similarly 35 + 75 * 0.15 = 46.25. Hence the same cost.
Answer:
3 1/16
Step-by-step explanation:
1) Evaluate 8×6; 3 (3/6*8) = (3/48)
2)Simplify 3/48 into 1/16
3) Answer is: 3 1/16
