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15 December, 01:51

4. Divide. write each quotient as either a whole number or a mixed number in lowest terms. Show your work

12 5/8 : 3 1/4

5. solve the equation. show your work

-1/2 + m = - 5 3/7

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  1. 15 December, 01:58
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    4. First you convert it into fractions: 101/8 / 13/4. Then you flip the second one to make it multiplication. 101/8 * 4/13. Then you simplify things there. You can cross cancel 8 and 4, changing them to 2 and 1. That makes the problem now: 101/2 * 1/13. Then you multiply across. That makes it 101/26. The answer is 101/26 because 101 is a prime number and cannot be divisible by any number besides 1 and itself.

    5. First thing you've gotta do is convert - 5 3/7 into a fraction. That is - 38/7. Next, you have to add 1/2 to each side, to cancel out the 1/2 on the one side. You also have to convert the fractions together to make them able to be added together. The LCD of 2 and 7 is 14. So, you have to multiply 7 by 2 and 38 by 2 and multiple 2 by 7 and 1 by 7. That makes it - 76/14 + 7/14. Add them together to get - 69/14. Now you can convert this back into a mixed number. That mixed number is - 4 13/14. So the answer is: m = - 4 13/14
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