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konstantin123 [22]
3 years ago
15

A clothing store used the sign show below to advertise a discount on shirts:

Mathematics
2 answers:
Murljashka [212]3 years ago
7 0
Tax= Tax %(Price of 2 Shirts + 50% of 3rd Shirt)
Tax= 7.1%[49.96+49.96+1/2(49.96)]
Tax= 0.071(49.96+49.96+24.98)
Tax= 0.071(124.90)
Tax= $8.8679

Total= Tax + Price of Shirts
Total= $8.8679 + $124.90
Total= $133.7689 or rounded $133.77

Mean Price= Total ÷ 3
Mean= $44.5893 or rounded $44.59

Answer: C) $44.59

Hope this helps! :)
kkurt [141]3 years ago
3 0

Answer:

$44.5

Step-by-step explanation:

<h2>Tax= Tax %(Price of 2 Shirts + 50% of 3rd Shirt) Tax= 7.1%[49.96+49.96+1/2(49.96)]Tax= 0.071(49.96+49.96+24.98)Tax= 0.071(124.90)Tax= $8.8679Total= Tax + Price of Shirts Total= $8.8679 + $124.90Total= $133.7689 or rounded $133.77Mean Price= Total ÷ 3Mean= $44.5893 or rounded $44.5</h2>
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Answer:

(0.102, -0.062)

Step-by-step explanation:

sample size in 2018 = n1 = 216

sample size in 2017 = n2 = 200

number of people who went for another degree in 2018 = x1 = 54

number of people who went for another degree in 2017 = x2 = 46

p1 = x1/n1 = 0.25

p2 = x2/n2 = 0.23

At 95% confidence level, z critical = 1.96

now we have to solve for the confidence interval =

<h2> p1 -p2 ± z*\sqrt{((1-p1)*p1)/n1 + ((1-p2)*p2/n2}</h2>

0.25 -0.23 ± 1.96*\sqrt{((1 - 0.25) * 0.25)/216 + ((1 - 0.23) *0.23/200}

= 0.02 ± 1.96 * 0.042

= 0.02 + 0.082 = <u>0.102</u>

= 0.02 - 0.082 = <u>-0.062</u>

<u>There is 95% confidence that there is a difference that lies between  - 0.062 and 0.102 on the proportion of students who continued their education in the years, 2017 and 2018.</u>

<u></u>

<u>There is no significant difference between the two.</u>

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You are working as an office apprentice for the bksb Newcastle Arena.
makvit [3.9K]

Answer:

Mean = £1.8 million


Step-by-step explanation:

The MEAN is the sum of all the numbers divided by the number of numbers.

  • <u>There are 5 numbers in total</u>
  • <u>The sum is 1.4+1.6+1.8+2.5+1.7=9 million</u>

Hence the mean is \frac{9}{5}=1.8 million

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Mia currently has 10 email subscribers to her blog and gains an average of 10 new subscribers per day. Julie currently has 100 e
user100 [1]

Answer:

Equations:

<u>Mia: 10 + 10x = y</u>

<u>Julie: 100 - 5x = y</u>

Solved: <u>(6, 70)</u>

Step-by-step explanation:

Mia: 10 + 10x = y

She already has 10 (<u>10</u>) and gains 10 (<u>+10</u>) per day (<u>x</u>). Total is y gained.

Julie: 100 - 5x = y

She already has 100 (<u>100</u>) and loses 5 (<u>-5</u>) per day (<u>x</u>). Total is y gained.

Then I simply solve

10 + 10x = y

100 - 5x = y

Resulting in (6, 70)

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3 years ago
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