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otez555 [7]
3 years ago
5

I need help doing this problem

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
4 0
40 degrees I believe
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Three classes have the same number of students. The teachers compared attendance on one Friday. Mr. Lopez had 92.5% of his stude
Sunny_sXe [5.5K]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Suppose the number of students in one of the classes is :

x

So ;

Mr.Lopez \:   \: had \:  \:  \frac{92.5}{100}x \\

_________________________________

Mrs.Foster \:  \: had \:  \:  \frac{19}{20} x \\

So :

Mrs.Foster \:  \: had \:  \:  \frac{19 \times 5}{20 \times 5} x \\

Mrs.Foster \:  \: had \:  \:  \frac{95}{100}x \\

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Ms.Kelly \:  \: had \:  \: 0.9x

Ms.Kelly \:  \: had \:  \:  \frac{9}{10} x \\

Ms.Kelly \:  \: had \:  \:  \frac{90}{100} x \\

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Compare :

\frac{95}{100} x >  \frac{92.5}{100} x >  \frac{90}{100} x \\

Thus :

Mrs.Foster’s  \:  \: class \:  > \: Mr.Lopez’s \:  \:  class \:  >  \: Ms.Kelly’s \:  \:  class \\

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

8 0
3 years ago
Help me solve this proportional<br>equation <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B9%20%2B%20x%7D%7B9%7D%20%20%3D%20
Blizzard [7]
Cross multiplication, 3(9+x) = 63
27+3x = 63
3x = 63-27 = 36
x=36/3=12
5 0
3 years ago
the u.s. census bureau needs to estimate the median income of males in the u.s., they collect incomes from 2500 males. state the
Shkiper50 [21]

Individual : a male in the United States

Variable : income

Population : All males in the United States

Sample : 2500 males of which the information is collected

Parameter : Median income of males in the U.S

Statistic : Median income of the 2500 males sampled

  • Any quality, amount, or number that can be gauged or tallied qualifies as a variable. A data item is another name for a variable.
  • A sample is a subset of units chosen to represent all the individuals in a population. Because just a portion of the population was counted, it is only a partial enumeration. To estimate the characteristics of the total population of interest, data from the sampled units is used.
  • A statistic is a numerical representation of a sample, whereas a parameter is a numerical representation of the entire population. 

To learn more about statistics, visit :

brainly.com/question/8058700

#SPJ4

4 0
2 years ago
Find the slope between the two points: (2,3) and (4,5)
eduard
Y2-y1=5-3=2 the slope is 1
x2-x1=4-2=2
4 0
3 years ago
What is 6x-3y=9 I can't figure it out
Bingel [31]

Answer:

x= 3     y=3

Step-by-step explanation:

6(3) - 3(3)  =9

18  -   9 =   9

8 0
3 years ago
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