Web1 day ago · Mortgage buyer Freddie Mac reported Thursday that the average on the benchmark 30-year rate ticked down to 6.27% from 6.28% the previous week. The average rate last year at this time was 5%. The average long-term mortgage rate hit 7.08% in the fall — a two-decade high. The recent decline in mortgage rates is good news for prospective ... WebMay 19, 2024 · In a certain AP, 5 times the 5th term is equal to 8 times the 8th term, then its 13th term is equal to Advertisement Answer 11 people found it helpful vivekgarg9775 …
[Solved] In an arithmetic progression (AP), the 9th term is 5 times t
WebMay 26, 2015 · 5 answers a+5d = 5a a+10d = 2 (a+4d)+3 Now you can find a and d, and then a+7d. answered by Steve May 26, 2015 translate the English into Math... "The sixth term of an A.P. is 5 times the first term" ---> a+ 5d = 5a or 5d = 4a a = 5d/4 "eleventh term exceeds twice the fifth term by 3" term (11) -2 term (5) = 3 a + 10d - 2 (a + 4d) = 3 -a + 2d = 3 WebSince 7 2 = 5, 12 7 = 5, 17 12 = 5 and 22 17 = 5 Thus, each term except first is obtained by adding 5 to its previous term. Hence, first term a = 2 and common difference d = 5. (ii) We observe that 0 4 = 4, 4 0 = 4, 8 ( 4) = 4, 12 ( 8) = 4 Thus, it is an AP with first term a = 4 and common difference d = 4. sights tours oman
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WebDec 28, 2024 · All you have to do is to add the first and last term of the sequence and multiply that sum by the number of pairs (i.e., by n/2). Mathematically, this is written as: S = n/2 × (a₁ + a) Substituting the arithmetic sequence equation for nᵗʰ term: S = n/2 × [a₁ + a₁ + (n-1)d] After simplification: S = n/2 × [2a₁ + (n-1)d] WebMar 25, 2024 · Two times the 2nd term fo an AP is equal to five times the 5th term of the AP FORMULA USED: an = a + (n - 1) × d Calculation: 2nd term = a 2 = a + d; 5th term = a 5 = a … WebMar 25, 2024 · The first term of AP is 'a' and common difference is 'd' The 9th term is 5 times the 2nd term ⇒ 9th term = 5 times 2nd term ⇒ a + 8d = 5 (a + d) ⇒ 3d = 4a ⇒ d = 4a/3 ---- (1) 8th term is 1 more than 10 times the first term ⇒ a + 7d = 10 a + 1 ⇒ 7d = 9a + 1 ---- (2) Putting the value of d in equation 2 ⇒ 7 (4a/3) = 9a + 1 ⇒ a = 3 sights tours