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Elza [17]
3 years ago
8

Log(100) = log(400) - log(4) "

Mathematics
1 answer:
Luden [163]3 years ago
5 0
When working with logarithms, remember that a subtraction sign means you can divide.
log(400) - log(4) can be turned into log(400/4), which is further simplified to log(100).
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A sphere and a cylinder have the same radius and height. The volume of the cylinder is 48 cm³.
Taya2010 [7]

Answer:

32 cm³

Step-by-step explanation:

Volume of a sphere is:

V_{s}=\frac{4}{3}\pi r^{3}

Volume of a cylinder is:

V_{c} = \pi r^{2} h

The volume of the cylinder is 48 cm³.

The cylinder has the same radius (r) and height (2r) as the sphere.

48 = \pi r^{2} (2r)\\48 = 2\pi r^{3}\\24 = \pi r^{3}

Therefore, the volume of the sphere is:

V_{s}=\frac{4}{3} (24)\\V_{s}=32

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Mila [183]
I assume you mean pi.

8 0
3 years ago
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zavuch27 [327]

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3 years ago
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X2-7x-18÷x2+8x+12 what is it in lowest terms
Eddi Din [679]

\dfrac{x^2-7x-18}{x^2+8x+12}=\dfrac{x^2+2x-9x-18}{x^2+6x+2x+12}=\dfrac{x(x+2)-9(x+2)}{x(x+6)+2(x+6)}\\\\=\dfrac{(x+2)(x-9)}{(x+6)(x+2)}=\dfrac{x-9}{x+6}

5 0
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Flura [38]

Answer:

Y=-1; y+1=0(x+4)

Step-by-step explanation:

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So

y+1=0(x+4)

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3 years ago
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