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Uc34758
22.11.2020 •
Mathematics
A rope is 1012 meters long. A piece of rope 458 long is cut off from the total length of the rope. What is the remaining length?
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Ответ:
554
Step-by-step explanation:
1012-458= 554
nothing left to explain
Ответ:
Answer with Step-by-step explanation:
We are given that
T(t) be the temperature at time t.
a.Substitute the value of x,y and z
Where![x=cost,y=sint,z=t](/tpl/images/0511/0051/ae08b.png)
We know that
By using the formula
Now, differentiate w.r.t t
b.![t=\frac{\pi}{6}+0.01](/tpl/images/0511/0051/40120.png)
We have to find the approximate value of the temperature at given value of t.
Substitute![x=\frac{\pi}{6}](/tpl/images/0511/0051/ddb0b.png)
Linear approximation formula:
Where![a=\frac{\pi}{6}](/tpl/images/0511/0051/93d61.png)
and![t=\frac{\pi}{6}+0.01](/tpl/images/0511/0051/40120.png)
Substitute the values
The approximate value of the temperature=![T(\frac{\pi}{6})+T'(\frac{\pi}{6})(\frac{\pi}{6}+0.01-\frac{\pi}{6})](/tpl/images/0511/0051/90af1.png)
The approximate value of the temperature=![1+\frac{\pi^2}{36}+\frac{\pi}{3}(0.01)](/tpl/images/0511/0051/2848b.png)
The approximate value of the temperature=![1+\frac{(3.14)^2}{36}+\frac{3.14}{3}\times 0.01=1.284](/tpl/images/0511/0051/8cd09.png)
Where![\pi=3.14](/tpl/images/0511/0051/c19d0.png)