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Bas_tet [7]
3 years ago
8

What is log6 8+ log6 27

Mathematics
2 answers:
defon3 years ago
7 0
\log_6 8 + \log_6 27=\log_6 (8 \times 27)=\log_6 216=3
ikadub [295]3 years ago
3 0
Log8 base 6  + Log27 base 6.

When you have a plus, you multiply. That is the law of logarithm.

=  Log (8 * 27)  base 6.

= Log 216 base 6.

= Log (6^3) base 6.

= 3* Log 6 base 6.  Law of logarithm. Log of a number to same number of base = 1.

= 3 * 1 = 3. 
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motikmotik

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6 0
3 years ago
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Suppose heights of seasonal pine saplings are normally distributed and have a known population standard deviation of 17 millimet
Mumz [18]

Answer:

296.693\leq x\leq 319.307

Step-by-step explanation:

The confidence interval for the population mean x can be calculated as:

x'-z_{\alpha /2}\frac{s}{\sqrt{n} } \leq x\leq x'+z_{\alpha /2}\frac{s}{\sqrt{n} }

Where x' is the sample mean, s is the population standard deviation, n is the sample size and z_{\alpha /2} is the z-score that let a proportion of \alpha /2 on the right tail.

\alpha is calculated as: 100%-99%=1%

So, z_{\alpha/2}=z_{0.005}=2.576

Finally, replacing the values of x' by 308, s by 17, n by 15 and z_{\alpha /2} by 2.576, we get that the confidence interval is:

308-2.576\frac{17}{\sqrt{15} } \leq x\leq 308+2.576\frac{17}{\sqrt{15} }\\308-11.307 \leq x\leq 308+11.307\\296.693\leq x\leq 319.307

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3 years ago
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Answer:

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Step-by-step explanation:

go give your self a bj

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I don’t know but I’m not gonna say anything so you don’t get it wrong
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3 years ago
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Alika [10]

Answer:

(a) 3 - 2x - 2x²  (b) -21

Step-by-step explanation:

given, y +2x² = 3 -2x

make y the subject:

y = 3 - 2x - 2x²

if y = f(x)

then

f(x) = 3 - 2x - 2x²

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3 - 2(3) - 2*(3)²

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2 years ago
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