The fifth term of G.P is greater than the fourth term by 13½ and the...

The fifth term of G.P is greater than the fourth term by 13½ and the fourth term is greater than the third by 9. Find : (i) the common ratio (ii) the first term (iii) the sum of the first six terms.
Question 2
Mr Mensah starts a job with an annual salary of $6400.00 which increases by $240.00 every year. After working for eight years, Mr Mensah is promoted to a new post with an annual salary of $9500.00 which increases by $360.00 every year. Calculate:
Mr Mensah’s salary in the fifteenth year of service.
Mr Mensah’s total earnings at the end of the fifteenth year of service.
Question 3
(a) Solve (x-2)(x-3)=12
(b) Using the completing the square method, solve x-2/4 =x+2/2 correct to nearest 2 d.p.
Question 4
(a) If p+1,2p-10 and 1-4p² are three consecutive terms of an arithmetic progression, find the possible values of p.
(b)The percentage error in estimating the depth of a swimming pool is 5.8%. If the swimming pool is actually 2.5 m deep, what s the estimated depth?

In Mathematics
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Asked by Tomilayo on 11th February, 2021