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Neporo4naja [7]
3 years ago
5

If log8^x = p express log2^x in terms of p

Mathematics
1 answer:
uysha [10]3 years ago
8 0
X=p /log8
p/ log8 (log2) =
plog2 / log8
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Simplify the following rational expression
madreJ [45]

Step-by-step explanation:

as the denominator (x+3) is in both you need only one denominator to be multiplied in first rational number .

<u>2</u><u>x</u><u> </u><u>(</u><u>x-2</u><u>)</u><u>. </u><u> </u><u> </u>+ <u>5</u><u>. </u><u> </u><u> </u><u> </u><u> </u><u> </u>

(x+3) (x-2). (x+3) (x-2)

<u>2</u><u>x</u><u>^</u><u>2</u><u>-</u><u>4</u><u>x</u><u> </u><u>+</u><u>5</u><u> </u>

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it's cannot be solved after that.

8 0
3 years ago
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John has a drawer full of socks. In his drawer, he has 5 pair of black socks, 6 pair of blue socks, 3 pair of white socks and 1
sukhopar [10]

Answer:

0.4

Step-by-step explanation:

Probability = Favourable Outcomes / Total Outcomes

Probability (Blue socks drawn out) = Blue Socks pairs / Total Socks pairs

6 / ( 5 + 6 + 3 + 1 )

= 6 / 15

= 0.4  

8 0
3 years ago
A market research company conducted a survey to find the level of affluence in a city. They defined the category "affluence" for
malfutka [58]

Answer:

A 95% confidence interval for this population proportion is [0.081, 0.159].

Step-by-step explanation:

We are given that a market research company conducted a survey to find the level of affluence in a city.

Out of 267 persons who replied to their survey, 32 are considered affluent.

Firstly, the pivotal quantity for finding the confidence interval for the population proportion is given by;

                            P.Q.  =  \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }  ~ N(0,1)

where, \hat p = sample proportion of people who are considered affluent = \frac{32}{267} = 0.12

            n = sample of persons = 267

            p = population proportion

<em>Here for constructing a 95% confidence interval we have used One-sample z-test for proportions.</em>

<u>So, 95% confidence interval for the population proportion, p is ;</u>

P(-1.96 < N(0,1) < 1.96) = 0.95  {As the critical value of z at 2.5% level

                                                    of significance are -1.96 & 1.96}  

P(-1.96 < \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } } < 1.96) = 0.95

P( -1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } < {\hat p-p} < 1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } ) = 0.95

P( \hat p-1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } < p < \hat p+1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } ) = 0.95

<u>95% confidence interval for p</u> = [ \hat p-1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } , \hat p+1.96 \times {\sqrt{\frac{\hat p(1-\hat p)}{n} } } ]

    = [ 0.12-1.96 \times {\sqrt{\frac{0.12(1-0.12)}{267} } } , 0.12+1.96 \times {\sqrt{\frac{0.12(1-0.12)}{267} } } ]

    = [0.081, 0.159]

Therefore, a 95% confidence interval for this population proportion is [0.081, 0.159].

4 0
3 years ago
I need it asap fast and I give brainliest to a right answer.
katovenus [111]

Answer:

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Step-by-step explanation:

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atroni [7]
Simplified answer 25x-61/3
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