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Example:
Reduce 2:10 to its lowest terms
1:5
2:5
8:10
Example:
What is the greatest common factor of 15 and 33?
Factors of 15 → 1, 3, 5, 15
Factors of 33 → 1, 3, 11, 33
Common Factors → 1, 3
Greatest Common Factors → 3
Example: What is twice the radius?
chord
diameter
circumference
Example:
What are the common factors of 15 and 33?
Factors of 15 → 1, 3, 5, 15
Factors of 33 → 1, 3, 11, 33
Common Factors → 1, 3
Example:
If 2n = 8, then n = ?
8
3
2
Example: 1, __ , 3, 4, 5; mean=3
Step 1: Let N be the missing number.
Step 2: We know, Mean = (Sum of all numbers)/(Number of numbers);
Therefore, Sum of all numbers = Mean x Number of numbers
→ 1 + N + 3 + 4 + 5 = 3 x 5 → N + 13 = 15 → N = 15-13 → N = 2
Step 1: Let N be the missing number.
Step 2: We know, Mean = (Sum of all numbers)/(Number of numbers);
Therefore, Sum of all numbers = Mean x Number of numbers
→ 1 + N + 3 + 4 + 5 = 3 x 5 → N + 13 = 15 → N = 15-13 → N = 2
Instructions:
1. Read the given question.
2. Find the sum of its prime factors.
3. Click the correct number type.
1. Read the given question.
2. Find the sum of its prime factors.
3. Click the correct number type.
Example: What is the coefficient of 2y?
Answer: 2
Note: Numerical coefficient is the numeral part in a term.
Answer: 2
Note: Numerical coefficient is the numeral part in a term.
Example:
line segment XY
line segment YX
line XY
Example: 22
-21
22
23
Example:
What are the factors of 82?
2
9
41
28
Example:
4 . 4 . 4 = _____
34
43
82
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