2 years ago

The ratio of cats to dogs is 8:9. If there are 27 dogs, how many cats are there (Help)

Mathematics

1 answer:

Katyanochek1 [597]2 years ago

3 0

Answer:

24 yw :)

Step-by-step explanation:

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Answer:

$x=\frac{1}{4}$

Step-by-step explanation:

Given:

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$log(\frac{2}{3}^2)=log(x^{1/2})+log(16)-log(18)$

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Use the Product Rule Law:

$log(\frac{4}{9})=log(\frac{16\sqrt{x}}{18})$

Simplify:

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2 years ago

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Third option

Step-by-step explanation:

We can't factor this so we need to use the quadratic formula which states that when ax² + bx + c = 0, x = (-b ± √(b² - 4ac)) / 2a. However, we notice that b (which is 6) is even, so we can use the special quadratic formula which states that when ax² + bx + c = 0 and b is even, x = (-b' ± √(b'² - ac)) / a where b' = b / 2. In this case, a = 1, b' = 3 and c = 7 so:

x = (-3 ± √(3² - 1 * 7)) / 1 = -3 ± √2

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3 years ago