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

Give two reasons why Sadao was not sent abroad with the troops.

PLEASE ANSWER SOON I AM RUNNING OUT OF TIME

do algae have a large vacuole A. YES B. NO

A line has an unlimited amount of points on it. Why do you think this is true?

Select the correct answer. When two parallel lines are cut by a transversal, angles A and B are alternate interior angles that each measure 105°. What is the me

Solve for x. Your answer must be simplified. x-24>_9

The number of books in a library tends to increase by the same amount each year. Should a linear or an exponential function be used to model this scenario?

For which reason is the executive branch considered the largest branch in the Georgia state government? A. due to the bicameral nature of the executive branch B

Find the areas of the sectors formed by ∠DFE. Round your answers to the nearest hundredth.

I NEED HELP!! This is a another question, I'll give you 50 points and a brainlist if you figure this out, all you have to do is to Solve the following multi-ste