1 answer:
Step-by-step explanation:
98 = 188t - 16t^2
-16t^2 + 188t = 98
-16t^2 + 188t - 98 = 0
8t^2 - 94t + 49 = 0
Use the quadratic formula with a = 8 , b = -94 , c = 49 to get the solutions
t = [(47 - root 1817) / 8]≈ 0.55
and
t = [(47 + root 1817) / 8] ≈ 11.20
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So you multiply 2 1/3times 1 1/2 and you get 3 and 1/6
2.74 + 3.5 = 6.24
Answer
6.24
------------
- 1.5 - (-7.7)
= - 1.5 + 7.7
= 6.2
Answer
6.2
Answer:
X is 3
Step-by-step explanation:
15-x=12
X=15-12
X=3
X = -1, y = 5. Hope this helps
215 seconds
100/120=.833
.833×258= 215