Jasbhoo8280 Jasbhoo8280

02-08-2017
Mathematics

contestada

Find the 2nd term of an arithmetic sequence with t1 = 4 and t5 = 6.

11/2

5

9/2

4

Respuesta :

sergibcnusa sergibcnusa

02-08-2017

tn = t1 + (n-1)*d, so t5 = t1 + 4*d, then d = (t5 -t1)/4 = 1/2,

Then t2 = t1 + d = 4+1/2 = 9/2=4.5, so The third one!

Answer Link

Otras preguntas

What challenges did the californios face?

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward2) If a is negative,

What is the value of x in 15x-10= 20

which inequality is equivalent to 7x-2y> 8. A) y> 7/2x+8 b) y>-2/7x+8/7 c) y <7/2x-4 d) y <-2/7x-4/7 (whats a Inequality? )

what It Trigonometry ?

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward2) If a is negative,

An ant sits on the back of a mouse. The mouse carries the ant across the floor for a distance of 10 meters. Was there work done by the mouse? Explain.

Is STM semantically or acoustically encoded??

The following statements about carbon dioxide are true EXCEPT a. It can be prepared by the action of acid on CaCO₃ b. It is used in fire extinguishers c. It d

what are some reasons for limiting authority