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alekssr [168]
3 years ago
15

Which values of x and y will satisfy y = 5x and 12x + 9y = 60?. . A. . . x = 1, y = 19 . . B. . . x = 35 y= 20/19. . C. . . x =

1/20 y = 1/90. . D.. . x = 20/19 y = 100/19. . E.. . x = 19 y = 50/19
Mathematics
2 answers:
Alinara [238K]3 years ago
8 0
The answer is D=> x=20/19 and y=<span>100/19

</span>
grigory [225]3 years ago
3 0
The answer is D, (x, y)=(20/19, 100/19)
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The box and whisker plots below show two classes' semester grades. Write a paragraph comparing the two sets of
oksano4ka [1.4K]

The paragraph to show the comparision between two classes semester grades on the basis of the terms

  • extremes
  • quartiles
  • medians
  • ranges

is given below:

<h3>What is Box and Whisker plots?</h3>

A box and whisker plot is defined as a graphical method of displaying variation in a set of data.

From the first figure, write all the values where dark point is drawn

53, 62, 80, 86, 89  

  • The lower extreme is the smallest value, which is 53.

        The upper extreme is the highest value, which is 89.

  • The median will be the middle of data , which is 80

  • The upper quartile is the median of the upper region and the lower quartile is the median of the lower region.

        The upper quartile is 86 and the lower quartile is 62.

  • Range of the data be,

       = Highest - Lowest

       =89-53

       =36

From the second figure, write all the values where dark point is drawn

56, 62, 74, 89, 96

  • The lower extreme is the smallest value, which is 56.

        The upper extreme is the highest value, which is 96.

  • The median will be the middle of data , which is 74.

  • The upper quartile is the median of the upper region and the lower quartile is the median of the lower region.

       The upper quartile is 89 and the lower quartile is 62.

  • Range of the data be,

       = Highest - Lowest

       =96-62

       =34

From the above discussion,  

  • The First class have less upper extreme value than the second class.
  • The First class have less lower extreme value than the second class.
  • The First class have greater median than the second class.
  • The First class have less upper quartile than the second class.
  • The First and second class have equal lower quartile.
  • The First class have greater range than the second class.

The comparision of the two classes on the basis of extremes, quartile, median, range is concluded above.

learn more about box and whisper plot here:

brainly.com/question/11859288

#SPJ1

6 0
2 years ago
27 as 3 to a power.
dolphi86 [110]
3^3 is equal to 3 * 3 *3, which is equal to 27
6 0
3 years ago
Rasheed bought two kinds of candy bars, chocolate and toffee, that came in packages of 2 bars each. He handed out 2/3 of the cho
Contact [7]

Answer:

9 packages of chocolate bars

Step-by-step explanation:

Let he bought c packages of chocolate bars and t packages of toffee bars,

Since, he bought 1 fewer package of chocolate bars than toffee bars.

⇒ c = t - 1  -----(1)

Also, he handed out out \frac{2}{3} of the chocolate bars and \frac{3}{5} of the toffee bars,

If he handed out the same number of each kind of candy bar.

\implies \frac{2}{3}\times c=\frac{3}{5}\times t

10c = 9t     ( By cross multiplication )

\implies t=\frac{10}{9}c    ( Division property of equality )

From equation (1),

c=\frac{10}{9}c-1

1=\frac{10}{9}c-c

1=\frac{10c-9c}{9}

1=\frac{c}{9}

\implies c = 9

Hence, he bought 9 packages of chocolate bars.

4 0
3 years ago
What is 173% of 110? Round to the nearest hundredth
german
110 x 1.73 = 190.3 rounded -> 190.30
Final answer: 190.30
4 0
3 years ago
Joe opened a book store. On the first three days he sold 15, 18, and 16 books (he initially hoped he sell 17 books everyday). Ho
soldi70 [24.7K]

\frac{15 + 18 + 16 + x}{4}  = 17  \\  \frac{49 + x}{4}  = 17 \\ 49 + x = 17 \times4 \\ 49 + x = 68 \\ x = 68 - 49 \\ x = 19
hope this helps! ask if you have anymore questions
5 0
3 years ago
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