Asked by Sam
STUDENTS WERE PUT INTO 6 GROUPS OF 12. WHICH WAY TO FIND 6 X 12? (3-6)
Explain...thank you..
A.(3 x 10)+(3 X 2)
B.(3 X 6) +(3 X 6)
C.(6 X 10)+(6 X 2)
D.(6 X 12)+ (6 x 12)
Explain...thank you..
A.(3 x 10)+(3 X 2)
B.(3 X 6) +(3 X 6)
C.(6 X 10)+(6 X 2)
D.(6 X 12)+ (6 x 12)
Answers
Answered by
dave
a 5 b 3 c 7 d 38
Answered by
MathMate
This is based on the distributive property of multiplication over addition.
For example, the product 6*12 can also be expressed as
6*(9+3)=6*9 + 6*3
The total is still 72.
If you go back to the queston, and check the answers, there is only one that gives a total of 72, that's the first clue. Another way to find it is find an answer that has the same form as the one above, but the sum of numbers multiplied by 6 adds up to 12. This gives you a confirmation.
If you want to be absolutely certain, you can post your answer for a verification.
For example, the product 6*12 can also be expressed as
6*(9+3)=6*9 + 6*3
The total is still 72.
If you go back to the queston, and check the answers, there is only one that gives a total of 72, that's the first clue. Another way to find it is find an answer that has the same form as the one above, but the sum of numbers multiplied by 6 adds up to 12. This gives you a confirmation.
If you want to be absolutely certain, you can post your answer for a verification.
Answered by
Sam
choose the answer from A, b, c, or d.
thank you
thank you
Answered by
MathMate
So which one did you choose, and why?
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