Podcast
Questions and Answers
What is the formula to find the surface area of a sphere?
What is the formula to find the surface area of a sphere?
- 4πr² (correct)
- πr²
- 2πr²
- 3πr²
What is the process of finding the original value of an item after a percentage decrease?
What is the process of finding the original value of an item after a percentage decrease?
- Inverse proportion
- Percentage error
- Percentage increase
- Solving for the original value (correct)
What is the formula to find the volume of a pyramid?
What is the formula to find the volume of a pyramid?
- ⅓πr²h
- â…“bh
- â…“lwh (correct)
- ⅓lwh²
What is the process of simplifying an expression involving radicals and exponents using the rules of indices?
What is the process of simplifying an expression involving radicals and exponents using the rules of indices?
What is the notation used to represent a set of numbers in set notation?
What is the notation used to represent a set of numbers in set notation?
What is the primary purpose of a box and whisker plot in data analysis?
What is the primary purpose of a box and whisker plot in data analysis?
A sequence has the formula an = 2n + 1. What is the value of a5?
A sequence has the formula an = 2n + 1. What is the value of a5?
A fair six-sided die is rolled. What is the probability of rolling an even number?
A fair six-sided die is rolled. What is the probability of rolling an even number?
A set of exam scores is summarized in the following stem and leaf plot: 3|4 5 6 8 9 9, 4|2 5 7, 5|1 3. What is the median score of the exam?
A set of exam scores is summarized in the following stem and leaf plot: 3|4 5 6 8 9 9, 4|2 5 7, 5|1 3. What is the median score of the exam?
Two events, A and B, are independent. If P(A) = 0.4 and P(B) = 0.7, what is the probability of both A and B occurring?
Two events, A and B, are independent. If P(A) = 0.4 and P(B) = 0.7, what is the probability of both A and B occurring?
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