3 years ago

What is the sequence technique of this number sequence17,9,?,16.5,35,90

1 answer:

8 0

The sequence is as follows:

(17 + 1)(1/2) = 9
(9 + 1)(2/2) = 10
(10 + 1)(3/2) = 16.5
(16.5 + 1)(4/2) = 35
(35 + 1)(5/2) = 90

Therefore, the missing value in the sequence is 10.

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denis-greek [22]

Answer:

The ratio of the slant heights of the two cones will also be n : m.

Step-by-step explanation:

See the attached diagram.

If we take the vertical sections along any diameter of the base circle of the cones A and B then the triangular sections as we get will be similar.

Now, ratio of the base of the triangles A and B i.e. the ratio of the diameters of the cones A and B will be 2n : 2m = n : m and this will be the same as the ratios of other two sides of the triangles A and B.

Therefore, the ratio of the slant heights of the two cones will also be n : m. (Answer)