Questions Answered

mimi6688:
Group Title
insert 4 terms in geometric sequence between 3/8 and 128/81
 updated 2 years ago
 7 replies
 1 Medal

mimi6688:
Group Title
when p(x)=ax^3+bx+c is divided by (x1) the remainder is 4. when p(x) is divided by (x^24) the remainder is 4x+3.find a b and c
 updated 2 years ago
 8 replies
 2 Medals

mimi6688:
Group Title
The track of a gramophone record is the shape of a spiral curve and may be considered as a number of concentric circles of inner and outer r…
 updated 2 years ago
 2 replies
 1 Medal

mimi6688:
Group Title
the sum of the first four terms of an arithmetic sequence is 34 and the sum of the next four terms is 146. find the sum of the 9th and 10th …
 updated 2 years ago
 3 replies
 1 Medal

mimi6688:
Group Title
find the sum of the first 50 terms of the arithmetic progression, given that the 15th term is 34 and the sum of the first 8 terms is 20
 updated 2 years ago
 10 replies
 1 Medal

mimi6688:
Group Title
in an arithmetic sequence, the first term is 6 and the fifth term is twice the fourth term. find the common difference
 updated 2 years ago
 8 replies
 2 Medals