The common ratio is 2.
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Oh, what a happy little question! If we want to find an equivalent ratio to 12:24, we can simplify it by dividing both numbers by their greatest common factor, which is 12. So, 12 divided by 12 is 1, and 24 divided by 12 is 2. Therefore, an equivalent ratio to 12:24 is 1:2. Just like painting, math can be a beautiful masterpiece when we simplify it with gentle brushstrokes.
The numbers could be from the sequence with a(1) = -3 and the common ratio r = (-2)If so, thena(7) = -3*(-2)^6 = -3*64 = -192.Of course, it is entirely possible that the numbers do not form a geometric sequence but a polynomial sequence such asa(n) = (27*n^3 - 189*n^2 + 396*n - 240)/2 and if so, a(7) = 1266.
It is: -3072
-5
No. Any number with a terminating or repeating decimal expansion is rational."Rational" in numbers means that it can be expressed as a ratio of integers (i.e. a fraction) .... in this case, -12/5.