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disa [49]
3 years ago
5

List the set or sets to which each number belongs

Mathematics
2 answers:
uysha [10]3 years ago
8 0
You need to post a picture man
Aneli [31]3 years ago
6 0
Ummmmm.......you didn’t post a pic my guy
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0.4x3.2<br> Step by step
agasfer [191]

Answer:

Step-by-step explanation:

0.4 × 3.2

Convert to fraction

0.4 = 4/10 = 2/5 & 3.2 = 32/10 = 16/5

0.4 × 3.2 = 2/5 × 16/5 = 32/25 = 1.28

Without conversion you press ur calculator and you get 1.28

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Find the area of the following figure.<br> A =
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I NEED HELP PLEEEEAAASSSEEE
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4 years ago
Solve the initial value problem (explicit solution). y y' - cot t = 0 y(pi/2) = -1
Sergeu [11.5K]

This ODE is separable:

yy'-\cot t=0\implies y\,\mathrm dy=\cot t\,\mathrm dt

Integrate both sides to get

\dfrac12y^2=\ln|\sin t|+C

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\dfrac12(-1)^2=\ln|\sin\dfrac\pi2\right|+C\implies C=\dfrac12

Then

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y^2=\ln\sin^2t+1

\implies\boxed{y(t)=\pm\sqrt{\ln\sin^2t+1}

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3 years ago
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