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Recent questions tagged class


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What is the probability that of 25 randomly selected students, no two share the same birthday?
1 answer 16 views
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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?
0 answers 159 views
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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.
1 answer 67 views
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Show that \(\overrightarrow{P Q}\) is perpendicular to \(\overrightarrow{R S}\)
1 answer 90 views
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} ; ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics Sep 12, 2021
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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
1 answer 143 views
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 ...
by MathsGee Platinum
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asked in Mathematics Sep 12, 2021
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why H0 is just u = 100 but not u <= 100?
2 answers 169 views
why H0 is just u = 100 but not u <= 100?why H0 is just u = 100 but not u &lt;= 100? ...
by Bach
asked in Data Science & Statistics Jun 27, 2021
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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 .
0 answers 150 views
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If two students were selected at random from the class, find the probability that both enjoyed playing the guitar.

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If two students were selected at random from the class, find the probability that both enjoyed playing the guitar.
0 answers 198 views
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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 ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics May 19, 2021
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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?
1 answer 160 views
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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.
1 answer 852 views
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A group of 30 out 150 learners represents the Grade 12s in athletics, what percentage is this?
0 answers 159 views
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? ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics Feb 20, 2021
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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?
Does failing Matric (High School - Grade 12) mean its the end of the world for me?

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Does failing Matric (High School - Grade 12) mean its the end of the world for me?
5 answers 662 views
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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? &nbsp; ...
by MathsGee Platinum
(119,140 points)
asked in General Knowledge Feb 10, 2021
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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?

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How can an adult with a learning disability get accommodated to take matric exams?
0 answers 105 views
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? ...
by MathsGee Platinum
(119,140 points)
asked in Teaching & Learning Jan 4, 2021
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What are class limits in statistics?
1 answer 295 views
What are class limits in statistics?What are class limits in statistics? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Oct 27, 2020
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What is a class interval in statistics?
1 answer 196 views
What is a class interval in statistics?What is a class interval in statistics? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Oct 27, 2020
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I am looking for materials to teach my sixth grade class about money
0 answers 107 views
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 ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics Sep 13, 2020
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How to assign values for the Class attributes at runtime?
1 answer 188 views
How to assign values for the Class attributes at runtime?How to assign values for the Class attributes at runtime? ...
by Student SIlver Status
(10,904 points)
asked in Data Science & Statistics Jun 26, 2020
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What are Attributes and Methods in a Python class?
1 answer 141 views
What are Attributes and Methods in a Python class?What are Attributes and Methods in a Python class? ...
by Student SIlver Status
(10,904 points)
asked in Data Science & Statistics Jun 26, 2020
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What is Class in Python?
1 answer 103 views
What is Class in Python?What is Class in Python? ...
by Student SIlver Status
(10,904 points)
asked in Data Science & Statistics Jun 26, 2020
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When developing a frequency distribution, the class (group) intervals should be:
1 answer 760 views
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 ...
by CT Diamond
(48,414 points)
asked in Data Science & Statistics Jun 22, 2020
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Should the class of 2020 write their final year exams this year and get their high school/matric results?
1 answer 185 views
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What is an amphibian? May l have one example.
1 answer 87 views
What is an amphibian? May l have one example.What is an amphibian? May l have one example. ...
by Joshua Mwanza Diamond
(51,752 points)
asked in Life Sciences May 17, 2020
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May i know any 2 examples of a invertebrates? Please explain why they are called invertebrates.
1 answer 351 views
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May i know any one example of a vertebrate?
1 answer 161 views
May i know any one example of a vertebrate?May i know any one example of a vertebrate? ...
by Joshua Mwanza Diamond
(51,752 points)
asked in Life Sciences May 17, 2020
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Why do some teachers give stupid examples in the maths class?
1 answer 126 views
Why do some teachers give stupid examples in the maths class?Why do some teachers give stupid examples in the maths class? ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics Apr 28, 2020
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WHat is an Equivalence Class in graph theory?
1 answer 106 views
WHat is an Equivalence Class in graph theory?WHat is an Equivalence Class in graph theory? ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics Apr 25, 2020
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What is an Isomorphism Class in Graph Theory?
1 answer 96 views
What is an Isomorphism Class in Graph Theory?What is an Isomorphism Class in Graph Theory? ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics Apr 25, 2020
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Miss Mantewu’s class has 48 learners. 36 of them are girls. What is the ratio of boys to girls?
1 answer 669 views
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? ...
by Joshua Mwanza Diamond
(51,752 points)
asked in Mathematics Apr 24, 2020
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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?
1 answer 343 views
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? ...
by adminTedsf Wooden Status
(2,650 points)
asked in Mathematics Mar 19, 2020
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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?
1 answer 102 views
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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?
1 answer 559 views
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? ...
by adminTedsf Wooden Status
(2,650 points)
asked in Mathematics Mar 19, 2020
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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?
1 answer 289 views
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? ...
by adminTedsf Wooden Status
(2,650 points)
asked in Mathematics Mar 19, 2020
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Describe the SmsManager class in android.
0 answers 81 views
Describe the SmsManager class in android.Describe the SmsManager class in android. ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Sep 1, 2019
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What are the differences between ES6 class and ES5 function constructors?
1 answer 346 views
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What is an abstract class?
1 answer 125 views
What is an abstract class?What is an abstract class? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 9, 2019
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Difference between class and interface?
1 answer 205 views
Difference between class and interface?Difference between class and interface? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 9, 2019
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What is a wrapper class?
1 answer 222 views
What is a wrapper class?What is a wrapper class? ...
by MathsGee Platinum
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asked in Data Science & Statistics Aug 9, 2019
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Is string class final?
1 answer 170 views
Is string class final?Is string class final? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 9, 2019
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What are the steps for creating the object?
1 answer 102 views
What are the steps for creating the object?What are the steps for creating the object? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 9, 2019
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What is a singleton class?
1 answer 94 views
What is a singleton class?What is a singleton class? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 9, 2019
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What are the instance and class variables?
1 answer 99 views
What are the instance and class variables?What are the instance and class variables? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 9, 2019
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What is an object?
1 answer 89 views
What is an object?What is an object? ...
by MathsGee Platinum
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asked in Data Science & Statistics Aug 9, 2019
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What is a class?
1 answer 87 views
What is a class?What is a class? ...
by MathsGee Platinum
(119,140 points)
asked in Data Science & Statistics Aug 9, 2019
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What is special education?
1 answer 112 views
What is special education?What is special education? ...
by Edzai Zvobwo Bronze Status
(9,010 points)
asked in Mathematics Jun 6, 2019
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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%?
0 answers 182 views
How large must a class be to make the probability of finding two people with the same birthday at least 50%?What if somebody offered to bet that at least two people in your math class had the same birthday? Would you take the bet? How large must a class be t ...
by Eddie Wooden Status
(2,016 points)
asked in Data Science & Statistics Mar 15, 2019
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How can I get the most out of a mathematics class?
0 answers 87 views
How can I get the most out of a mathematics class?How can I get the most out of a mathematics class? ...
by MathsGee Platinum
(119,140 points)
asked in Mathematics Mar 13, 2019
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