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Jet001 [13]
3 years ago
13

Please help with problem 19. (ONLY IF YOU KNOW) thanks

Mathematics
2 answers:
Stella [2.4K]3 years ago
8 0
7 cars full and 5 people on the next car
svet-max [94.6K]3 years ago
7 0
About 7 people in each
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Which class has 28% 28% boys? Clear Check Class A: 3 3 out of 30 30 Class B: 28 28 out of 40 40 Class C: 1 1 out of 28 28 Class
konstantin123 [22]
Class A: 3 out of 30 =  3 / 30 = 0.1 = 10%

Class B: 28 out of 40 = 28 /40 = 0.7 = 70%

Class C: 11 out of 28 = 11 / 28 = 0.39 = 39%

Class D: 14 out of 50 = 14 / 50 = 0.28 = 28%

 The answer is Class D


7 0
4 years ago
Read 2 more answers
Find the distance between (2.7,5.1) and (3,4.7)
LUCKY_DIMON [66]

Answer:

Distance = 0.5

Step-by-step explanation:

A(2.7 , 5.1)  B(3 , 4.7)

                    D = √((4.7 - 5.1)² + (3  - 2.7)²)

                     D = √(12² + 5²)

                     D = 0.5

3 0
3 years ago
Do people who spend more time on social networking sites spend more time using Twitter? Megan conducted a study and found that t
bija089 [108]

Answer:

It states that time spent on social networking sites & twitter have a strong positive correlation.

Step-by-step explanation:

Correlation is the statistical measure of co-movement relationship between two variables. Correlation Coefficient 'r' lies between -1 & +1

Correlation can be following on basis of variables relationship direction

  • Positive Correlation : It means two variables move in the same direction - one variable increase, other variable increase & one variable decrease, other variable decrease. 'r' is positive.
  • Negative Correlation : It means two variables move in opposite direction - one variable increase, other variable decrease & one variable decrease, other variable increase. 'r' is negative.

Correlation can be following on the basis of variables :

  • Strong Correlation : It means the variables fluctuations are more inter-related. r > 0.5
  • Weak Correlation : It means the variables fluctuations are less inter-related. r < 0.5

Correlation between times spent on social networking sites & twitter is 0.8 This r = 0.8 means that the two activities have strong positive correlation. It implies that increase in one lead to increase in other activity & vice versa, by a high magnitude.

6 0
3 years ago
What does 1/3 of a rectangle look like shaded in
Pachacha [2.7K]
It looks like this.

Only 1 of the 3 rectangles that's inside is shaded in. So that would be 1/3 of the rectangle

Hope this helps

7 0
3 years ago
Read 2 more answers
What does a value of 8 in 589310 compare yo the value of the 8 ine 598301​
shepuryov [24]

Answer:

10

Step-by-step explanation:

It is 10 times as much

3 0
3 years ago
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