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pychu [463]
3 years ago
10

ANSWER FOR MARK AS BRAINLIEST!!! Please explain step by step on how to answer this math problem

Mathematics
1 answer:
Fiesta28 [93]3 years ago
6 0
So you should divide 63 by 7 to get ten percent of the original price which would be 9. then multiply 9 by ten to get the full original price which would be ninety. 
hope this helps
sorry for spelling the numbers my zero key is broken

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Mean:<br>median:<br>mode:<br>plz help
lbvjy [14]

In your shoes I would look up "mean," "median" and "mode" to be certain of what they mean. That knowledge (or lack of it) will certainly affect your course grade.

Rearrange the nine given numbers in ascending order: 135, 135, 142, 150, 168, 173, 178, 184, 193.

The mode is the number that shows up most often. That'd be 135. No other number shows up twice.

The median is the middle number of the rearranged seet. That'd be 168.

The mean is the arithmetic average of the 9 numbers. To find that, add up the numbers and divide your sum by 9:

135+135+142+150+168+173+178+184+193

mean: ---------------------------------------------------------------- = 162

9

7 0
3 years ago
Read 2 more answers
In 1999, total revenue of a company from music sales and licensing was $14.1 billion. It was forecasted that this
katen-ka-za [31]

The percent decrease in the music revenue is 60.2%

<h3>How to calculate the percent decrease ?</h3>

Percent decrease can be described as the reduction in the value of a number.

In 1999, the revenue of the company was $14.1 billion

In 2014, the revenue of the company was $5.6 billion

The percent decrease can be calculated as follows

= 14.1 - 5.6/14.1 × 100

= 8.5/14.1 × 100

= 0.602 × 100

= 60.2 %

Hence the percent decrease is 60.2%

Read more here

brainly.com/question/16388605

#SPJ1

5 0
1 year ago
The lengths of 3-inch nails manufactured on a machine are normally distributed with a mean of 3.0 inches and a standard deviatio
otez555 [7]

Using the normal distribution, it is found that 2.64% of all the nails produced by this machine are unusable.

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem:

  • The mean is of 3 inches, hence \mu = 3.
  • The standard deviation is of 0.009 inches, hence \sigma = 0.009.

Nails that are <u>more than 0.02 inches</u> from the mean are unusable, hence:

Z = \frac{0.02}{\sigma}

Z = \frac{0.02}{0.009}

Z = 2.22

The proportion is P(|Z| > 2.22), which is <u>2 multiplied by the p-value of Z = -2.22</u>.

Z = -2.22 has a p-value of 0.0132.

2 x 0.0132 = 0.0264

0.0264 x 100% = 2.64%

2.64% of all the nails produced by this machine are unusable.

You can learn more about the normal distribution at brainly.com/question/24663213

7 0
3 years ago
MATH PLEASE HELP ASAP
Dahasolnce [82]

Answer:

c. 59.3 ft²

Step-by-step explanation:

½× [(3.14×5²) + (10×4)]

= ½ × (78.5+40)

= ½× 118.5

= 59.3

7 0
3 years ago
the starving actors guild holds its annual winter arts festival in hopes of raising $13,344 by selling 824 tickets. The guild ch
kap26 [50]
A + c = 824                             represents number of tickets to sell
20a + 12c = 13,344                represents cost of each type of ticket

multiply equation 1 by -12 to cancel the variable 'c' and solve for 'a'

-12(a + c = 824)

-12a - 12c = - 9888
 20a + 12c = 13,344         add equations together
-----------------------------
    8a          = 3456           divide both sides by 8
     a = 432

To find children's tickets substitute adult numbers back into equation 1.
a + c = 824
432 + c = 824
subtract 432 from both sides
c = 392

adult 432, children 392
8 0
3 years ago
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