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

According to the trait approach to leadership, a(n) ___leader overcomes obstacles, makes decisions despite uncertainty, and instills assurance in others.

Challenge You have two spinners with colors on them. The probability of spinning green on both spinners is 5/22 the probability of spinning green on the first

THIS IS THE MOST IMPORTANT QUESTION OF THE HOMEWORK PLEASE HELP!

Answer the questions for b please

number of atoms per unit cell in face centred cube is

Give me a sentence with the words my, mine, our, ours, your, yours, his, hers, it's, their, theirs,

When should you include a summary of a source in your report? when the source is somewhat related to your research question when you plan to use a direct quote

it helps provide oxygen that we need to breathe

HEEELLLP!! how many times bigger is 24,137,569 than 83,521 and happy Easter

Which of these sentences would make a good direct quote?