3 years ago

Math....plz help meee

Mathematics

2 answers:

Cloud [144]3 years ago

7 0

Answer:

41 + 3x < 8

3x < -33

x < -11

Do you agree?

musickatia [10]3 years ago

3 0

Answer:

x<-11

Step-by-step explanation:

Lets write out the equation to make it easier to work with.

41+3x<8

Subtract 41 from both sides

41-41+3x<8-41

Do the subtraction

3x<-33

Divide by 3 on both sides.

3x/3<-33/3

Do the division

x<-11

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Explanation:

We are given the below frequency table:

Score Frequency

1 | 0

2 | 3

3 | 4

4 | 16

5 | 22

Let's denote the score by $x$ and frequency by $f$ .

The average formula is:

$Average=\frac{\sum fx}{\sum f}$

$=\frac{(1\times0) + (2\times3)+(3\times4) +(4\times16) + (5\times22)}{0+3+4+16+22}$

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$=\frac{192}{45}=4.267$

Therefore, the average score was 4.267

Hence the option D) 4.266

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