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Otrada [13]
2 years ago
15

Algebra Help! I appreciate any assistance.

Mathematics
2 answers:
katrin [286]2 years ago
7 0
Hello!

Given the integer in form of fraction, we should know the denominator. We know the denominator n is 3^x * 5^y.

We should know the greatest divisor of 90.

You have to prime factorize 90.

90|2
45|3
15|3
5|5
1

So 90 = 2 × 3^2 × 5^1

We take the greatest numbers with highest exponents.

That means 3^2 × 5 = 45 <- answer
Kruka [31]2 years ago
4 0
90 = 2 · 3 · 3 · 5 = 2 · 3² · 5¹

If n has the form  3^x5^y  and  \frac{90}{n}  is an integer, then greatest possible value of n = 3² · 5¹ = 45
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