Which of these are not a factor of 25 x 36 x 121? Options: 3 x 4 x 5, 5 x 6 x 11, 5 x 7 x 9, 5 x 9 x 11
Math Asset

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Shahina Ismail
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
5 x 7 x 9
Answer explanation
To find the factors of 25 x 36 x 121, we can break them down: 25 = 5^2, 36 = 6^2, 121 = 11^2. The product 5 x 7 x 9 includes 7, which is not a factor of the original product, making it the correct answer.
2.
FLASHCARD QUESTION
Front
How can (A^2)^3 be represented?
Back
a^2 x a^2 x a^2
Answer explanation
The expression (A^2)^3 means A^2 multiplied by itself three times, which can be written as A^2 x A^2 x A^2. Thus, the correct representation is a^2 x a^2 x a^2.
3.
FLASHCARD QUESTION
Front
DEF(triangle)
CANNOT be a /an
Isosceles
,Right angled
,Equilateral
,Obtuse angled
Back
Equilateral
Answer explanation
An equilateral triangle has all sides equal, which means it cannot be classified as isosceles (two sides equal) or right-angled (one angle 90 degrees). Thus, DEF(triangle) cannot be an equilateral triangle.
4.
FLASHCARD QUESTION
Front
Find the area of the shaded part
Back
42cm^2
Answer explanation
To find the area of the shaded part, we calculate the total area and subtract the unshaded area. The calculations yield 42 cm² for the shaded area, confirming that the correct answer is 42 cm².
5.
FLASHCARD QUESTION
Front
Ratio of chairs with wheels to without if 7/9 of the chairs have wheels.
Back
7:2
Answer explanation
In the office, 7/9 of the chairs have wheels, meaning 2/9 do not. The ratio of chairs with wheels (7) to those without (2) is 7:2, making the correct answer 7:2.
6.
FLASHCARD QUESTION
Front
A number x when divided by 6 leaves the remainder as 0. What will be the remainder if it was divided by 2?
Back
0
Answer explanation
Since x leaves a remainder of 0 when divided by 6, it is a multiple of 6. All multiples of 6 are also multiples of 2, meaning when x is divided by 2, the remainder will also be 0.
7.
FLASHCARD QUESTION
Front
A number P is obtained by multiplying a whole number M by 5 then adding it with 6. What will be the REMAINDER if P is divided by M + 1?
Back
M + 1
Answer explanation
Given P = 5M + 6, when divided by M + 1, we can rewrite P as 5M + 5 + 1. This shows that P is divisible by M + 1, leaving a remainder of 0.
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