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3 years ago

What is 0.98 rounded to the nearest tenth place

Mathematics

2 answers:

astraxan [27]3 years ago

6 0

I'm pretty sure it would be 0.1
I haven't done this in forever, but this should be the right answer

Ivan3 years ago

5 0

I believe it's 1.0 because 0.98 rounded, you'd have to look at the 8 and since it's greater than 5 (anything 5 or greater will make the number to it's left increase by 1) then the 9 would increase by one, making your final answer 1.0!

Hoped this helped :)

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Vadim26 [7]

Answer:

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(b) The initial condition t > 0 will not make much of a difference.

Step-by-step explanation:

Given the differential equation

dx/dt= −k(x − A); t > 0, A = A_0Coswt

(a) To solve the differential equation, first separate the variables.

dx/(x - A) = -kdt

Integrating both sides, we have

ln(x - A) = -kt + c

x - A = Ce^(-kt) (Where C = ce^(-kt))

x = A + Ce^(-kx)

Now, we put A = A_0Coswt

x = A_0Coswt + Ce^(-kx) (Where C is constant.)

And we have the solution.

(b) Since temperature t ≠ 0, the initial condition t > 0 will not make much of a difference because, Cos(wt) = Cos(-wt).

It is not any different from when t < 0.

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