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

How did the growth of factories and trade affect cities??

Explain why the chromosomes in the second drawing have sister chromatids, but the chromosomes in the third drawing do not. What happened to the sister chromatid

I really need help in this one two

The sum of 9 is multiplied by -2 and the answer is 90. find my number

Which number belongs to the solution set of the equation below? x - 7 = 35 A) 22 B) 28 C) 42 D) 41

Man in prison talks about his girlfriend and calls her a mule what is she

It is more difficult to report on Congress than on the president because __________. there are more members of Congress what Congress does is more difficult tha

What does the process of close reading help a reader do? (You can choose more than one) A) understand how the story ends B) analyze and critique the story C) un

Ted took a test with 40 question.He received a score of 90% how much did he answer correctly

Please Help!!! 1. What is one reason the commerce clause has been limited? a. so the federal government cannot encroach on state's rights b. so the federal gov