3 years ago

Please help me nowww I need this right away!!

Mathematics

2 answers:

Alex777 [14]3 years ago

7 0

Answer: i cant help you because it don't make sense

Step-by-step explanation:

-Dominant- [34]3 years ago

6 0

there is not enough information to complete the answer

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|2x + 1| - 4 < 5 solve and graph

NeX [460]

Answer:

The value of x could be 3

Step-by-step explanation:

2 x 3 = 6 + 1 - 4 = 3 which is less than 5

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2 years ago

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

We have

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

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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2 years ago

-54 + 108 = Thank you!

julsineya [31]

Answer: 54 and welcome

Step-by-step explanation:

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2 years ago

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18/X=2.4/28 find X plz help

yulyashka [42]

Cross multiply

18 / X = 2.4 / 28
so
18 * 28 = X (2.4)
and that becomes
504 = X * 2.4
then divide by 2.4
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3 years ago

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-65=6b-11 hi I don't understand how to solve this equation can someone please explain :)

belka [17]

-65=6b-11

Add 11 to both sides to get rid of the -11 on the right side

-54=6b

Then divide both sides by six to find the value of b

-9=b

So b is -9

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3 years ago

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