memonma1r3iebugs memonma1r3iebugs

02-09-2016
Mathematics

contestada

What is the 5th term of an arithmetic sequence if t3 = 10 and t7 = 26

Respuesta :

HomertheGenius HomertheGenius

02-09-2016

t 1 + 2 d = 10 / * ( - 1 )
t 1 + 6 d = 26
-------------------
- t 1 - 2 d = - 10
+
t 1 + 6 d = 26
---------------------
4 d = 16, d = 4
t 1 + 8 = 10
t 1 = 2
t 5 = t 1 + 4 d = 2 + 4 * 4 = 2 + 16 = 18
Answer: the 5th term of this sequence is 18.

Answer Link

Otras preguntas

prove that x^n-Y^n divisible by x-y for all natural numbers x,y (x!=y),and n.

who the famous artist in our time

represent the number 1.16 using base ten blocks

a trait that improves an individuals ability to survive and reproduce in a specific environment is called

Which describes the significance of Athens's victory in the Persian Wars? A. Athenians gained new confidence in their own abilities, which led to a golden

the form of city government merges executive and legislative functions in single group of officials

briefly describe Theodore Geisel's career in advertising

PLEASE CHECK MY ANSWERS (PART 1)

briefly describe Theodore Geisel's career in advertising

1. What is the value of the expression below? Please show work 3⁴+9= A.21 B.39 C.43 D.90 2. Which expression is equivalent to 5(d+1)? Please show work A.5d+5 B.