Answer:
0.47 and 11.53
Step-by-step explanation:
h = 60t − 5t²
27 = 60t − 5t²
5t² − 60t + 27 = 0
Quadratic formula:
x = [ -b ± √(b² − 4ac) ] / 2a
t = [ -(-60) ± √((-60)² − 4(5)(27)) ] / 2(5)
t = (60 ± √3060) / 10
t = 0.47 or 11.53
N - 2 = 10n + 4/2
-2 = 9n + 4/2
-4/4 = 9n
-1 = 9n
-9 = n
N is -9.
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Answer: 2 1/2 1 1/6 2 2/5
Step-by-step explanation:
8 divide by 4/3
To divide<span> by a </span>factor<span>, </span>multiply<span> by its </span>reciprocal<span>.
</span><span>8(<span>3/4</span>)
</span>
<span>Cancel 4 and 8.
</span><span>2⋅3
</span>
Multiply 2<span> by </span>3<span> to get </span><span>6.
</span>6
There are "6" 4/3's in 8
