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Andreyy89
3 years ago
15

Twenty-four is less than five-eighths of a number x

Mathematics
1 answer:
Yakvenalex [24]3 years ago
3 0

Answer:

x > 192/5

Step-by-step explanation:

Rewrite the question as an inequality:

24 < 5/8x

1) Multiply everything by the reciprocal of 5/8: (8/5)

192/5 < x

2) Rewrite inequality with variable on the left side:

x > 192/5

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15 points! The data set shows the weights of pumpkins, in pounds, that are chosen for a photograph in a farming magazine. The re
vladimir2022 [97]

Answer:

Step-by-step explanation:

a). Mean of the given data set = \frac{32+28+18+40+22}{5}

                                                  = 28

b).   x                     x-\overline{x}               (x-\overline{x})^2

     32          32-28 = 4                    16

     28          28 - 28 = 0                  0

     18           18 - 28 = -10                100

     40          40 - 28 = 12                 144

     22          22 - 28 = -6                 36

                                                 \sum({x-\overline x})^2 =  296          

c). Standard deviation = \sqrt{\frac{\sum (x-\overline{x})^2}{n}}

                                     = \sqrt{\frac{296}{5} }

                                     = 7.69

d). Mean of the new set of weights = \frac{32+33+34+35+36}{5}

                                                          = 34

   Since mean of the data set is more close to each data, standard deviation will be less than the deviation given in part (c).

7 0
3 years ago
3y -7y + 18x + y + 21x + 9 - 13 Simplify the expression
Leviafan [203]

Answer:

-3y+39x-4

Step-by-step explanation:

3y minus 7y plus y is -3y. 18x plus 21x is 39x. 9 minus 13 is -4

7 0
3 years ago
A survey was taken of 100 potential voters, asking them which candidate they would vote for in a local election. The results are
In-s [12.5K]
Candidate X won 63 out of the 100 "votes" of the poll participants.

So candidate X won 63% of the votes in the poll. 


This means that candidate X is expected to win the elections by a percentage close to 63%.

63% of the voters is (63/100)*5000=63*50=3150 voters


Answer: 3150


7 0
3 years ago
A rectangular poster is 5 dm long and 3 dm wide. Sara wants to paint the whole poster. Find the area of the poster in square cm.
Zina [86]

Answer:

\boxed{1500cm^{2} }

Step-by-step explanation:

Area = Length × Width

→ Identify the length and width

Length = 5 and Width = 3

→ Substitute in the values

Area = 5 dm × 3 dm

→ Convert into cm

Area = 50 cm × 30 cm

→ Simplify

1500 cm²

6 0
3 years ago
Which expression can be used to find 32% of 130?
Gemiola [76]

Answer:

b. 0.32 • 130

Step-by-step explanation:

Change the percent to decimal form

32% = .32

.32 * 130

6 0
3 years ago
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