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12 × ratio = -18
→ ratio = -18/12 = -3/2 = -1.5
Checking:
-18 × ratio = -18 × -3/2 = 27 as required
The common ratio is -3/2 (or -1.5)
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The sum to three terms of geometric series is 9 and its sum to infinity is 8. What could you deduce about the common ratio. Why. Find the first term and common ratio?
The geometric sequence with three terms with a sum of nine and the sum to infinity of 8 is -9,-18, and 36. The first term is -9 and the common ratio is -2.
What ratio is equivalent to 12 to 18?
120 to 180 is an equivalent ratio.
What is next in this sequence 12 5 20 1 18 4?
25 is the next number that appears in that sequence.
What is 18 12 ratio in simplest form?
3/2
What is the ratio to 18 girls and 12 boys?
3 to 2
What is the common ratio for the following sequence 648 - 108 - 18 - 3?
The "common ratio" of a geometric series is any of the numbers, divided by the previous number.If in all cases you get the same ratio (the same result of a division), then you have a common ratio. If the division gives you different numbers, then there is no common ratio.
What is the ratio of 18 people and 12 chairs and its value?
The ratio of 18 to 12 (18:12) = 3:2 = 1.5 people per chair
Ratio of 18to12 show all the calculations?
A ratio of 18 to 12 can be written as 18 to 12, 18:12, or 18/12. Furthermore, 18 and 12 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on. A ratio of 18 to 12 simply means that for every 18 of something, there are 12 of something else, with a total of 30.
The sum to three terms of geometric series is 9 and its sum to infinity is 8. What could you deduce about the common ratio. Why. Find the first term and common ratio?
The geometric sequence with three terms with a sum of nine and the sum to infinity of 8 is -9,-18, and 36. The first term is -9 and the common ratio is -2.
What ratio is equivalent to 12 to 18?
120 to 180 is an equivalent ratio.
What is the equivalent ratio for 12 to 18?
120 to 180 is an equivalent ratio.
What is ratio of 18 to 12?
2 to 3.
What is the ratio of 12 to 18?
2 to 3.
What is the ratio 18 to 12?
2 to 3.
What is the 3 to 2 ratio of 30?
It is: 18 to 12
What is the ratio of 5 and 7 8 and 9 12 and 18 85 and 170?
The ratio of 5 and 7 8 and 9 12 and 18 85 and 170 is 5:7/8:9/12:18/85:170.
What is the ratio of 12 miles to 18 miles?
12:18 is the same as 4:6 which is the same as 2:3.
