<h2>4.166</h2>
Step-by-step explanation:
<h3>= 5 - 5/6</h3><h3>= (30 - 5) / 6</h3><h3>= 25 / 6</h3><h2>= 4.166</h2>
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Answer: 42.6
Step-by-step explanation:
First you would distribute the outer number to all the inner numbers:
6*3.1 + 6*4 = 18.6 + 24
Next you would add the numbers you just got:
18.6 + 24 = 42.6
25 years after 1998 would be the year 2023
Height of the woman = 5 ft
Rate at which the woman is walking = 7.5 ft/sec
Let us assume the length of the shadow = s
Le us assume the <span>distance of the woman's feet from the base of the streetlight = x
</span>Then
s/5 = (s + x)/12
12s = 5s + 5x
7s = 5x
s = (5/7)x
Now let us differentiate with respect to t
ds/dt = (5/7)(dx/dt)
We already know that dx/dt = 7/2 ft/sec
Then
ds/dt = (5/7) * (7/2)
= (5/2)
= 2.5 ft/sec
From the above deduction, it can be easily concluded that the rate at which the tip of her shadow is moving is 2.5 ft/sec.
