3 years ago

Select two ratios that are equivalent to 2 : 9.

Mathematics

1 answer:

stira [4]3 years ago

3 0

Answer:

4:18 6:27 plenty more but you said to so

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dimaraw [331]

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3 years ago

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harina [27]

Answer:

t55=d

Step-by-step explanation:

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3 years ago

Evaluate the following integral in cylindrical coordinates triple integral 1/(1+x^2+y^2) dzdxdy z=0..2 y=0..square root(1-x^2) x

sertanlavr [38]

In cylindrical coordinates, we take

$x=r\cos\theta$

$y=r\sin\theta$

$z=z$

so that $\mathrm dx\,\mathrm dy\,\mathrm dz=r\,\mathrm dr\,\mathrm d\theta\,\mathrm dz$ .

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$1+x^2+y^2=1+r^2$

and the integral is

$\displaystyle\int_0^2\int_0^\pi\int_0^1\frac r{1+r^2}\,\mathrm dr\,\mathrm d\theta\,\mathrm dz=\frac{\ln2}2\int_0^2\int_0^\pi\mathrm d\theta\,\mathrm dz=\boxed{\pi\ln2}$

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3 years ago

Find the domain and range of the relation<br> (-8,2),(6,-7),(-8,11),(10,5)

VARVARA [1.3K]

Answer:

domain:2,-7,11,5

range:-8,6,-8,10

to explain more the domain would be your independent variable (y) and the range would be your dependent variable (x)

hope I helped

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3 years ago

Read 2 more answers

I need help with all of them

lara [203]

Click on the picture! This is the explanation in accident I deleted it hope it helps!

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3 years ago

Select two ratios that are equivalent to 2 : 9.​

Select two ratios that are equivalent to 2 : 9.