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ss7ja [257]
4 years ago
6

don't ignore please answer cool tees is having a back to school sale where all t-shirts are discounted by 15%. joshua wants to b

uy five shirts: one costs $9.99, two costs $11.99 each, and two others cost $21.00 each. what is the total cost of the shirts including the discount?
Mathematics
1 answer:
Harrizon [31]4 years ago
8 0
9.99+11.99+11.99+21.00+21.00=75.97

  x     =     85
75.97      100        85*75.97=6457.45

100x=6457.45

6457.45/100= 64.5745
You might be interested in
two pages that are back-to-back in this book have 203 as the sum of their pages.what are the page numbers?
butalik [34]
2 pages back to back.....x and x + 1

x + x + 1 = 203
2x + 1 = 203
2x = 203 - 1
2x = 202
x = 202/2
x = 101

x + 1 = 101 + 1 = 102

the 2 page numbers are : 101 and 102
5 0
3 years ago
Which of the following fitness scores is the highest relative score?
evablogger [386]

Due to the higher z-score, the correct option regarding the highest relative score is:

A score of 4730 on a test with a mean of 3960 and a standard deviation of 555.5.

<h3>What is the z-score formula?</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

The z-score measures how many standard deviations the measure is above or below the mean, hence the higher the z-score, the higher the score X is relative to other scores.

The respective z-scores for this problem are given by:

  • (39 - 31)/6.1 = 1.31.
  • (1136 - 1080)/67.8 = 0.83.
  • (4730 - 3960)/555.5 = 1.39.

Hence the correct option is:

A score of 4730 on a test with a mean of 3960 and a standard deviation of 555.5.

More can be learned about z-scores at brainly.com/question/28096232

#SPJ1

6 0
2 years ago
It takes Natalie's mother 20 minutes to drive to work. She works 6 miles away.
My name is Ann [436]

Answer:

B. 45.7

Step-by-step explanation:

20/6=3.33

3.33*14=46.62

46.62 is closest to 45.7

Therefore, 45.7 is the best answer.

6 0
2 years ago
What is the value of k
s2008m [1.1K]
There is no question, we don’t know what k is
8 0
3 years ago
The figure shows a regular hexagonal prism.
Scrat [10]

Answer:

A.415.69cm

b.323.14

Step-by-step explanation:

The height would be 10cm

The length would be 4cm

3 0
3 years ago
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