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anygoal [31]
2 years ago
8

-11.3 is rational or irrational ? explain? 0.083 and 2.1371938 to please if its not much to ask?

Mathematics
1 answer:
zloy xaker [14]2 years ago
3 0
Ignore the - sign for now.   11.3   =   11.3        113
                                                         -------  = ----------
                                                             1             10

Since this is the ratio of two integers, 11.3 is rational.  So is 11.3.

                                                                             83
If you really mean   <span>0.083, this is rational:  it is ---------
                                                                            1000

If y ou meant </span><span>0.083333333 ... , that's also rational:  1/12 is equivalent.</span>
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Answer:

The log-mean-temperature-difference is 24.03⁰C

Step-by-step explanation:

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L.M.T.D =\frac{(T_h_f_1 -T_c_f_2)-(T_h_f_2 -T_c_f_1)}{2.3log[\frac{T_h_f_1 -T_c_f_2}{T_h_f_2 -T_c_f_1}]}

where;

Thf₁ is the initial temperature of the hot fluid = 80°C

Tcf₂ is the final temperature of the cold fluid = 51.5°C

Thf₁ - Tcf₂ = 80 - 51.5 = 28.5⁰C

Thf₂ is the final temperature of the hot fluid = 30°C

Tcf₁ is the initial temperature of the cold fluid = 10°C

Thf₂ - Tcf₁ = 30 - 10 = 20⁰C

L.M.T.D = \frac{28.5 -20}{2.3Log[\frac{28.5}{20}]} \\\\L.M.T.D = \frac{8.5}{0.3538} =24.03^oC

Therefore, the log-mean-temperature-difference is 24.03⁰C

3 0
2 years ago
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Answer:

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Step-by-step explanation:

Eveything is explained in the pic. Hope that helps ;)

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There are 267 students and 21 adults going on a field trip an equal number of people will ride on each bus there are 9 buses how
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Answer:

The number of people on each bus is 32

Step-by-step explanation:

We are given

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now, we can plug values

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