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maksim [4K]
3 years ago
12

28 32 21 22 The mean is 24.4 what is the 5th number

Mathematics
2 answers:
Archy [21]3 years ago
6 0
The awnser has to be 26??
Tomtit [17]3 years ago
6 0
Set up an equation with x as the variable for the missing number

(28+32+21+22+x)/5 = 24.4

multiply both sides by 5

28+32+21+22+x = 5(24.4)

simplify (add and multiply)

103+x = 122

subtract 103 from both sides

x = 122-103

simplify

x = 19
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How can graphs be created from verbal expressions?
Fittoniya [83]
Not all verbal expressions can create a graph. 
<span>An example of one that can is: </span>
<span>"Price is always cost plus twenty dollars" </span>
<span>this would translate into the equation: </span>
<span>P = C + 20 </span>
<span>which can be graphed on a coordinate system where y=P and x=C. </span>
3 0
3 years ago
State the domain and range for the following relation. Then determine whether the relation represents a function
Marysya12 [62]

Answer:

Domain: {XS, Red, Yellow, 45, A}

Range: {Size, Color, Number, Letter}

Step-by-step explanation:

The domain of the function shown in the mapping above are all variables that fall under "A word", while the range consists of all variables under "category".

The mapping shows that the relation represents a function, because each domain variable has exactly one range variable. No single domain variable is mapped to two different range variable.

The correct answer is:

Domain: {XS, Red, Yellow, 45, A}

Range: {Size, Color, Number, Letter}

8 0
4 years ago
Can someone please help me find x.
Sergeeva-Olga [200]

Answer:

  • We have similar triangles
  • Hence 6x+2=x+3
  • 5x=1
  • x=1/5

6 0
3 years ago
Of the 125 members of the marching band, 42 are in chorus, 78 play
Margarita [4]

Using it's concept, it is found that there is a 0.2979 = 29.79% probability that they are in chorus, given that they do not play a sport.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem, 125 - 78 = 47 members of the band do not play a sport, of which 42 - 28 = 14 are in the chorus, hence the probability is given by:

p = 14/47 = 0.2979.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

4 0
2 years ago
HOW DO YOU DO THIS? PLEASE SHOW WORK ASAP!
MrMuchimi
2. m<-1.5
3. 11≥x
4. x≥1
5. x≥2

5 0
3 years ago
Read 2 more answers
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