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Earn +20 ptsQ: What is the value of 3a x 75 if a 5?
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What goes in 75?
3 x 25 = 75 15 x 5 = 75 1 x 75 = 75 5 x 15 = 75
Which is the smallest no when divided by 12 and 18 leaves the remainder 9?
(1) x/12=a+9, where a is an integer (2) x/18=b+9, where b is an integer 3x(1) + 2x(2) gives 3x/36 + 2x/36 = 5x/36 = 3a+27+2b+18 = 3a+2b+45 5x/36=3a+2b+45 x=36(3a+2b+45)/5 x=36(3a+2b)/5+9 as 36 is not divisible by 5 then 3a+2b should be divisible by 5 then the smallest solution is a=0 and b=0 and x=9
Is 75 composite?
Yes. 75 = 3 x 5 x 5.
What is four fifths of 75?
4 /5 x 75 = 4 x 75/5 = 4 x 15 = 60
What prime factors equal 75?
3 x 5 x 5 = 75
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