# Recent questions tagged class

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What is the probability that of 25 randomly selected students, no two share the same birthday?
What is the probability that of 25 randomly selected students, no two share the same birthday?What is the probability that of 25 randomly selected students, no two share the same birthday? ...
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The ratio of boys to girls at an athletics practice is $4: 3$. There are 49 athletes in total at the practice. How many boys were at the practice?
The ratio of boys to girls at an athletics practice is $4: 3$. There are 49 athletes in total at the practice. How many boys were at the practice?The ratio of boys to girls at an athletics practice is $4: 3$. There are 49 athletes in total at the practice. How many boys were at the practice? ...
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There are about 75 QFC supermarkets in the U.S. Albertsons has about 215 stores. Compare the size of the two companies.
There are about 75 QFC supermarkets in the U.S. Albertsons has about 215 stores. Compare the size of the two companies.There are about 75 QFC supermarkets in the U.S. Albertsons has about 215 stores. Compare the size of the two companies. ...
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Show that $\overrightarrow{P Q}$ is perpendicular to $\overrightarrow{R S}$
Show that $\overrightarrow{P Q}$ is perpendicular to $\overrightarrow{R S}$(a) Given that $m=(6 i+8 j)$ and $n=\left(-8 i+\frac{7}{3} j\right)$, find the : (i) magnitudes and direction of $\mathrm{m}$ and \(\mathrm{n} ; ...
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There are 7 boys in a class of 20 . Find the number of ways of selecting 3 girls and 2 boys
There are 7 boys in a class of 20 . Find the number of ways of selecting 3 girls and 2 boysThere are 7 boys in a class of 20 . Find the number of ways of selecting 3 girls and 2 boys A. 1638 B. 2730 C. 6006 D. 7520 ...
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why H0 is just u = 100 but not u <= 100?
why H0 is just u = 100 but not u <= 100?why H0 is just u = 100 but not u &lt;= 100? ...
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P, Q, R, S, T and U are six students studying in a class. Each of them has a different height and weight. The tallest is not the heaviest .
P, Q, R, S, T and U are six students studying in a class. Each of them has a different height and weight. The tallest is not the heaviest .P, Q, R, S, T and U are six students studying in a class. Each of them has a different height and weight. The tallest is not the heaviest .T is taller ...
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If two students were selected at random from the class, find the probability that both enjoyed playing the guitar.
If two students were selected at random from the class, find the probability that both enjoyed playing the guitar. In a survey, a class of 40 music students were taught to play mbira, piano and guitar. At the end of their course they were asked to state at least ...
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Some students in a Grade five class line up. Thabo is $10^{t h}$ from the front and $12^{t h}$ from the back. How many students are in the class?
Some students in a Grade five class line up. Thabo is $10^{t h}$ from the front and $12^{t h}$ from the back. How many students are in the class?Some students in a Grade five class line up. Thabo is $10^{t h}$ from the front and $12^{t h}$ from the back. How many students are in the class? ...
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If the ratio of boys to girls is 3:2 and there are 25 students in a class, how do you make equal ratios to show how many students in the class are boys and how many are girls?
If the ratio of boys to girls is 3:2 and there are 25 students in a class, how do you make equal ratios to show how many students in the class are boys and how many are girls?If the ratio of boys to girls is 3:2 and there are 25 students in a class, how do you make equal ratios to show how many students in the class are boy ...
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The class average in a class of 15 is 86%. If one additional student earns a 100% in the class, what is the new class average.
The class average in a class of 15 is 86%. If one additional student earns a 100% in the class, what is the new class average.The class average in a class of 15 is 86%. If one additional student earns a 100% in the class, what is the new class average. ...
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A group of 30 out 150 learners represents the Grade 12s in athletics, what percentage is this?
A group of 30 out 150 learners represents the Grade 12s in athletics, what percentage is this?A group of 30 out 150 learners represents the Grade 12s in athletics, what percentage is this? ...
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There are 80 learners who travel by bus and 120 learners who travel by taxi, then we have a ratio of 80 (bus) to 120 (taxi). What is this in its simplest form?
There are 80 learners who travel by bus and 120 learners who travel by taxi, then we have a ratio of 80 (bus) to 120 (taxi). What is this in its simplest form?There are 80 learners who travel by bus and 120 learners who travel by taxi, then we have a ratio of 80 (bus) to 120 (taxi). What is this in its simpl ...
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Does failing Matric (High School - Grade 12) mean its the end of the world for me?
Does failing Matric (High School - Grade 12) mean its the end of the world for me? Does failing Matric (High School - Grade 12) mean its the end of the world for me? &nbsp; ...
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At a High School, 90% of the students take mathematics, 85% take science and 80% take geography. What percentage, at least, must take all three subjects?
At a High School, 90% of the students take mathematics, 85% take science and 80% take geography. What percentage, at least, must take all three subjects?At a High School, 90% of the students take mathematics, 85% take science and 80% take geography. What percentage, at least, must take all three subjec ...
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How can an adult with a learning disability get accommodated to take matric exams?
How can an adult with a learning disability get accommodated to take matric exams?How can an adult with a learning disability get accommodated to take matric exams? ...
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What are class limits in statistics?
What are class limits in statistics?What are class limits in statistics? ...
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What is a class interval in statistics?
What is a class interval in statistics?What is a class interval in statistics? ...
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I am looking for materials to teach my sixth grade class about money
I am looking for materials to teach my sixth grade class about moneyI am looking for materials to teach my sixth grade class about money ...
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How to assign values for the Class attributes at runtime?
How to assign values for the Class attributes at runtime?How to assign values for the Class attributes at runtime? ...
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What are Attributes and Methods in a Python class?
What are Attributes and Methods in a Python class?What are Attributes and Methods in a Python class? ...
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What is Class in Python?
What is Class in Python?What is Class in Python? ...
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When developing a frequency distribution, the class (group) intervals should be:
When developing a frequency distribution, the class (group) intervals should be:When developing a frequency distribution, the class (group) intervals should be: a. &nbsp;&nbsp;&nbsp;Large b. &nbsp;&nbsp;&nbsp;Small c. &nbsp;&n ...
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The ratio of female learners to male learners in a class is 3 : 2. If there are 30 female learners in the class, work out: a) the number of male learners. b) the total number of learners in the class.The ratio of female learners to male learners in a class is 3 : 2. If there are 30 female learners in the class, work out: a) the number of male learn ...
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Should the class of 2020 write their final year exams this year and get their high school/matric results?
Should the class of 2020 write their final year exams this year and get their high school/matric results?Should the class of 2020 write their final year exams this year and get their high school/matric results? ...
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What is an amphibian? May l have one example.
What is an amphibian? May l have one example.What is an amphibian? May l have one example. ...
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May i know any 2 examples of a invertebrates? Please explain why they are called invertebrates.
May i know any 2 examples of a invertebrates? Please explain why they are called invertebrates.May i know any 2 examples of a invertebrates? Please explain why they are called invertebrates. ...
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May i know any one example of a vertebrate?
May i know any one example of a vertebrate?May i know any one example of a vertebrate? ...
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Why do some teachers give stupid examples in the maths class?
Why do some teachers give stupid examples in the maths class?Why do some teachers give stupid examples in the maths class? ...
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WHat is an Equivalence Class in graph theory?
WHat is an Equivalence Class in graph theory?WHat is an Equivalence Class in graph theory? ...
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What is an Isomorphism Class in Graph Theory?
What is an Isomorphism Class in Graph Theory?What is an Isomorphism Class in Graph Theory? ...
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Miss Mantewu’s class has 48 learners. 36 of them are girls. What is the ratio of boys to girls?
Miss Mantewu’s class has 48 learners. 36 of them are girls. What is the ratio of boys to girls?Miss Mantewu’s class has 48 learners. 36 of them are girls. What is the ratio of boys to girls? ...
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In my class, the ratio of boys to girls is 2:3. If there are 4 boys in my class, how many girls are there?
In my class, the ratio of boys to girls is 2:3. If there are 4 boys in my class, how many girls are there?In my class, the ratio of boys to girls is 2:32:3. If there are 44 boys in my class, how many girls are there? ...
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I buy fantas and cokes for Sports Day. The ratio of fantas to cokes is 2:3. If I buy 20 cooldrinks, how many fantas are there?
I buy fantas and cokes for Sports Day. The ratio of fantas to cokes is 2:3. If I buy 20 cooldrinks, how many fantas are there?I buy fantas and cokes for Sports Day. The ratio of fantas to cokes is 2:32:3. If I buy 2020 cooldrinks, how many fantas are there? ...
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In my class, the ratio of boys to girls is 5:6. If there are 121 children in my class, how many girls are there?
In my class, the ratio of boys to girls is 5:6. If there are 121 children in my class, how many girls are there?In my class, the ratio of boys to girls is 5:65:6. If there are 121121 children in my class, how many girls are there? ...
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In my class, the ratio of boys to girls is 1:3. If there is a total of 32 children in my class, how many girls are there?
In my class, the ratio of boys to girls is 1:3. If there is a total of 32 children in my class, how many girls are there?In my class, the ratio of boys to girls is 1:31:3. If there is a total of 3232 children in my class, how many girls are there? ...
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Describe the SmsManager class in android.
Describe the SmsManager class in android.Describe the SmsManager class in android. ...
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What are the differences between ES6 class and ES5 function constructors?
What are the differences between ES6 class and ES5 function constructors?What are the differences between ES6 class and ES5 function constructors? ...
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What is an abstract class?
What is an abstract class?What is an abstract class? ...
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Difference between class and interface?
Difference between class and interface?Difference between class and interface? ...
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What is a wrapper class?
What is a wrapper class?What is a wrapper class? ...
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Is string class final?
Is string class final?Is string class final? ...
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What are the steps for creating the object?
What are the steps for creating the object?What are the steps for creating the object? ...
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What is a singleton class?
What is a singleton class?What is a singleton class? ...
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What are the instance and class variables?
What are the instance and class variables?What are the instance and class variables? ...
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What is an object?
What is an object?What is an object? ...
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What is a class?
What is a class?What is a class? ...
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What is special education?
What is special education?What is special education? ...
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How large must a class be to make the probability of finding two people with the same birthday at least 50%?