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What is ratio of 63 to 45 in simplest form?
45/63 45 ÷ 9 = 5 63 ÷ 9 = 7 so 45/63 = 5/7; 5 to 7; 5:7
Is 9 divisible by 45?
No. As 9 is smaller than 45 it cannot be divisible by 45. However, 9 is a FACTOR of 45; and 45 is divisible by 9.
How could you adapt the rule for division by 3 to decide easily when a number is divisible by 9?
Just add up the digits and if that sum is divisible by 9 then the original number is divisible by 9. Example 729 = 7+2+9 = 18 (18 is divisible by 9 therefore 729 is divisible by 9) 123456789 = 1+2+3+4+5+6+7+8+9 = 45 (45 is divisible by 9 therefore 123456789 is divisible by 9)
What fraction is equal to 21 45ths?
21 and 45 are both divisible by 3. 21/3 = 7 and 45/3 = 15. So the number can be simplified to 7/15
Is 45 divisible by 6?
No,because 45 is not divisible by both 2 and 3. In order for a number to be divisible by 6 it has to be divisible by both 2 and 3.
Is 45divisible by 7?
No. 45 is not evenly divisible by seven.
What is ratio of 63 to 45 in simplest form?
45/63 45 ÷ 9 = 5 63 ÷ 9 = 7 so 45/63 = 5/7; 5 to 7; 5:7
Is 9 divisible by 45?
No. As 9 is smaller than 45 it cannot be divisible by 45. However, 9 is a FACTOR of 45; and 45 is divisible by 9.
What are the numbers that are divisible 5 but not 7?
There are many number that are divisible by 5, but not 7. Some are 10, 15, 20, 25, 30, 40, 45, 50, 55, 60, etc. 35 was not listed because it is divisible by 5 and 7.
What is divisible by 45?
45 is divisible by 2 3 4 5 6 7 8 9 10 and 57 and 74 345646 5465 45 346 67542 34743
Is 268 divisible by 45?
268 is not divisible by 45 without remainder.
How could you adapt the rule for division by 3 to decide easily when a number is divisible by 9?
Just add up the digits and if that sum is divisible by 9 then the original number is divisible by 9. Example 729 = 7+2+9 = 18 (18 is divisible by 9 therefore 729 is divisible by 9) 123456789 = 1+2+3+4+5+6+7+8+9 = 45 (45 is divisible by 9 therefore 123456789 is divisible by 9)
What fraction is equal to 21 45ths?
21 and 45 are both divisible by 3. 21/3 = 7 and 45/3 = 15. So the number can be simplified to 7/15
Is 280 divisible by 8?
No. 35 is divisible by: 1, 5, 7, 35.
Is 45 divisible by 2?
no, its divisible by... 1,3,5,9,15,45
Is 45 divisible by 6?
No,because 45 is not divisible by both 2 and 3. In order for a number to be divisible by 6 it has to be divisible by both 2 and 3.
Is 45 divisible by 45 and 9?
yes
