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MariettaO [177]
3 years ago
15

How many lines of symmetry does this polygon have?

Mathematics
1 answer:
Iteru [2.4K]3 years ago
7 0

Answer:

I believe there are only 5...

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Determine the point estimate of the population proportion, the margin of error
ahrayia [7]

Answer:

\hat p=0.645\\\\ME=0.233\\\\x=645 \ individuals

Step-by-step explanation:

-Given the boundaries as 0.412 and 0.878

-\hat p is the point estimate for the population proportion and is calculated as follows:

\hat p=\frac{Upper \ Bound+Lower \ Bound}{2}\\\\=\frac{0.878+0.412}{2}\\\\=0.645\\\\

#The margin of error, ME can be calculated for the confidence intervals using the formula:

ME=\frac{Upper \ Bound-Lower \ Bound}{2}\\\\=\frac{0.878-0.412}{2}\\\\=0.233

#The number of individuals in the sample is the product of the point estimate and population size:

\hat p=\frac{x}{n}\\\\x=\hat pn\\\\=0.645\times 1000\\\\=645

Hence, there are 645 individuals in the sample.

8 0
3 years ago
At the craft store, Ayana bought a bag of blue and orange marbles. She received 41 blue marbles and 9 orange marbles. What perce
RoseWind [281]

Answer:

82%

Step-by-step explanation:

41+9 is 50(total marbles)

41/50 (blue/total) is 82%! :)

5 0
1 year ago
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If you pay $20 for 16 candy bars what is the cost for per candy
Olin [163]
<span>$20/16=$1.25/candy bar 
Candy bars cost $1.25 each </span>
5 0
3 years ago
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Henri bought a swim suit at a cost of $8. Which statements are true regarding the cost of the suit? Select three options
uysha [10]

Answer:

where are the options

Step-by-step explanation:

6 0
3 years ago
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QUESTION : A family of four went out to dinner. Their bill came to $156.98 and they want to leave a 15% tip. How much the tip wi
Rama09 [41]

Answer:

tip = $23.55

Step-by-step explanation:

156.98 x 0.15 = 23.55

4 0
2 years ago
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