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Questions (10)
The sum of the first 6 terms of a geometric sequence is 9 times the sum of the first 3 terms. find the common ratio.
1 answer
315 views
A geometric sequence has a first term of 16 and a common ratio of ¾. If the sum of the first n terms is greater than 60, find
0 answers
170 views
The nth term, un, of a geometric sequence is given by un = 3 (4)^n +1, n ∈ Z^+.
(a) Find the common ratio r. (b) Hence, or
1 answer
455 views
In an arithmetic sequence the sum of the first 15 terms is 615 and the 13th term is six times the second. Find the first three
1 answer
700 views
Triangle ABC is circumscribed about circle O, segment AB = 46, segment BC = 43, and segment CA = 49. P is segment AC's point of
1 answer
503 views
Volume of a cone if the radius is five and the height is 13
2 answers
657 views
The variable x in the expression 3+2x
is replaced in succession by 1.2.3 and 4. Find the sum of the resulting numbers.
1 answer
385 views
Increase the quotient
of 1/2 and 2 by 1
1 answer
309 views
To what volume should you dilute 50.5 of a 4.60 solution so that 30.0 of the diluted solution contains 3.30 of KI?
2 answers
431 views
There is a two-digit number such that the sum of its digit is 6 while the product of the digits is 1/3 of the original number.
1 answer
535 views
Answers (2)
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50.5 ml 4.60 mol KI 30.0 ml 3.30 g KI
