I think the best answer is d since 18x + 16x
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<span>By the time firework a has been launched, firework b has already been launched for 0.25 seconds, so if we treat the two as equations, then
a = 220 (t)
b =</span> 220 (t) + 220 (.25)
<span>And we want to know when these two equal eachother, as that's they will both detonate.
220t = 200 t + 200 (.25)
20t = 50
t = 2.5</span>
Answer:
a. 122 degree is the answer
Answer:
-27/35, and the decimal answer -0.77142857142
Step-by-step explanation:
multiply the fractions- 3 x 9 equals 27, 7 x 5 equals 35. The answer is negative.