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3 years ago

What is the value of 6(2b-4) when b=5?

Mathematics

2 answers:

kakasveta [241]3 years ago

7 0

Step-by-step explanation:

When b = 5 Then

6( 2b - 4)

= 6 ( 2 *5 - 4)

= 6 ( 10 - 4)

= 6 * 6

= 36

Hope it will help :)

taurus [48]3 years ago

6 0

Answer:

126

Step-by-step explanation:

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3 years ago

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PSYCHO15rus [73]

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There is no image so theres no way to help,

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3 years ago

What is the square root of 141?

serious [3.7K]

The square root of 141 = $\sqrt{141}$

This is because the two factors are 3 and 47, which both aren't perfect squares. You cannot take anything out.

If you want it simplified (like with a calculator) it would be:
$\sqrt{141} =11.87$

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3 years ago

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Allisa [31]

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4 years ago

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Where e is enclosed by the planes z = 0 and z = x + y + 9 and by the cylinders x2 + y2 = 4 and x2 + y2 = 16?

katrin [286]

Best to use cylindrical coordinates. The volume (assuming that's what you're supposed to find) of the region is given by the triple integral

$\displaystyle\iiint_E\mathrm dV=\int_{\theta=0}^{\theta=2\pi}\int_{r=2}^{r=4}\int_{z=0}^{z=r(\cos\theta+\sin\theta)+9}r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta$
$=\displaystyle\int_{\theta=0}^{\theta=2\pi}\int_{r=2}^{r=4}(r^2(\cos\theta+\sin\theta)+9r)\,\mathrm dr\,\mathrm d\theta$
$=108\pi$

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3 years ago