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2 years ago

Original price: 50$; markdown: 22%; retail price

1 answer:

5 0

Okay so if the markdown is 22% then the retail price is 78% so to find the retail price you take the original price $50 and divide it by 100 to find 1% of the cost you can then multiply it by 78 to find the retail price, so 50/100=.5 78(.5)=39 so the retail price is $39

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PLEASE RESPOND! !!

cestrela7 [59]

Answer:

36/132

Step-by-step explanation:

36/132, .27, 27%...

6 0

3 years ago

Need help pls<br>thank you in advance

ira [324]

Answer:

<u />

$\textsf{Mean}\:\overline{X}=\sf \dfrac{\textsf{sum of all the data values}}{\textsf{total number of data values}}$

$\implies \sf Mean\:(Nilo)=\dfrac{5+6+14+15}{4}=\dfrac{40}{4}=10$

$\implies \sf Mean\:(Lisa)=\dfrac{8+9+11+12}{4}=\dfrac{40}{4}=10$

<h3><u>Standard Deviation</u></h3>

$\displaystyle \textsf{Standard Deviation }s=\sqrt{\dfrac{\sum X^2-\dfrac{(\sum X)^2}{n}}{n-1}}$

$\begin{aligned}\displaystyle \textsf{Standard Deviation (Nilo)} & =\sqrt{\dfrac{(5^2+6^2+14^2+15^2)-\dfrac{(5+6+14+15)^2}{4}}{4-1}}\\\\& = \sqrt{\dfrac{482-\dfrac{40^2}{4}}{3}}\\\\& = \sqrt{\dfrac{82}{3}}\\\\& = 5.23\end{aligned}$

$\begin{aligned}\displaystyle \textsf{Standard Deviation (Lisa)} & =\sqrt{\dfrac{(8^2+9^2+11^2+12^2)-\dfrac{(8+9+11+12)^2}{4}}{4-1}}\\\\& = \sqrt{\dfrac{410-\dfrac{40^2}{4}}{3}}\\\\& = \sqrt{\dfrac{10}{3}}\\\\& = 1.83\end{aligned}$

<h3><u>Summary</u></h3>

Nilo has a mean score of 10 and a standard deviation of 5.23.

Lisa has a mean score of 10 and a standard deviation of 1.83.

The <u>mean</u> scores are the <u>same</u>.

Nilo's standard deviation is higher than Lisa's. Therefore, Nilo's test scores are more <u>spread out</u> that Lisa's, which means Lisa's test scores are more <u>consistent</u>.

5 0

1 year ago

What is the quotient? (9b2 – 3b) ÷ b

rosijanka [135]

Answer:

the answer is

9b²-3b

Step-by-step explanation:

9b-3

7 0

2 years ago

Find the product of 9 and 583. <br><br> A. 64 <br> B. 592 <br> C. 5,247 <br> D. 5,347

Dmitry_Shevchenko [17]

Answer:

C. 5,247

Step-by-step explanation:

Product = multiplication
The product of 9 and 583: 9 × 583 = 5,247

I hope this helps!

7 0

2 years ago

Read 2 more answers

How do i work out inverse proportion

elixir [45]

Answer:

Step-by-step explanation:

Answer:The equation for inverse proportion is x y = k or x = k/ y. Therefore, for finding the value of the constant k, you can use the known values and then use this formula to calculate all the unknown values.

8 0

2 years ago