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MArishka
13 days ago
6

Prove that x is a subset of y then x union z is a subset of y union z for all sets x y and z

Mathematics
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The length of a rectangle is measured as 370mm correct to 2 significant figures.
Svet_ta [12734]

Answer:

UB: 375

Step-by-step explanation:

370mm rounded to 2 significant figures is..

UB: 375

LB:365

Please rate me 5 stars and thank me:)

5 0
3 months ago
Mr. Garcia has 15 boys and 10 girls in his math class. He selects two students at random to demonstrate how they solved the day’
Leona [12618]
Detailed explanation: If the class has 15 boys and 10 girls, this totals 25 students. The likelihood of selecting a girl first would be \frac{10}{25}. After that selection, there would be one fewer girl and overall student, resulting in the probability for choosing another girl being \frac{9}{24}. The final probability is obtained by multiplying these two results to yield \frac{10}{25}*\frac{9}{24}=\frac{2}{5}*\frac{3}{8}=\frac{3}{20}.
4 0
2 months ago
Read 2 more answers
Which scatter plot has a correlation coefficient closest to r=1
Inessa [12570]

Answer:

The answer is the scatter plot that displays a pronounced positive slope along the curve of best fit.

Step-by-step explanation:

A scatter plot illustrates the relationships between two variables for an individual. It is essentially a graph in which a best-fit curve is drawn to encapsulate the complete dataset. A scatter plot is considered to have a robust correlation if the correlation coefficient is near r = 1, indicating a very strong connection between the two variables.

A scatter plot exhibits a solid correlation when its data points are closely aligned to the line or curve of best fit.

For r = 1, the correlation is regarded as strong and positive.

5 0
2 months ago
Read 2 more answers
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