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What two numbers multiply to 275 and add up to 60?
280
What is the LCM of 5 12 and 4?
The answer is 60. The best way to do this is put the numbers in a row and a line beneath them. On the left hand side start with the smallest prime number that goes into them which is 2. The numbers that are divided by 2 go under the line and the numbers not divided by to do the same. Once you cannot use the 2 go up to the next prime number three. Do these steps until you have number ones left on the bottom. Then multiply the numbers on the left hand side to get your LCM.
What pair of numbers has a least common multiple of 60 and a greatest common factor of 6?
The prime factors of 60 are 2, 2, 3, and 5. The greatest common factor is 6, which accounts for a 2 and 3 from the prime factors of 60. The remaining numbers are 2 and 5. So, multiply 2x6 = 12 and 5x6=30 to come up with two numbers that have greatest common factor of 6 and least common multiple of 60.
How far is 4.22 light years?
Light travels at about 300,000 km per second. There are 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day, and 365.26 days in a year. Multiply all those numbers together to get the length of one light year, and then multiply by 4.22.
What is the gcf of -60 that add to -16?
-76
