lisetter lisetter

27-02-2018
Mathematics

contestada

Given this arithmetic sequence, what is a7? 2,4,6,8

Respuesta :

Banabanana Banabanana

27-02-2018

[tex]a_1=2 \\ a_2=4 \\ d=a_2-a_1=4-2=2 \\ \\ a_n=a_1+d(n-1) \\ a_7=2+2(7-1) \\ {} \ \ \ =2+12 \\ {} \ \ \ \boxed{=14} [/tex]

Answer Link

Otras preguntas

The composite figure is made up of a parallelogram and a rectangle. Find the area. A. 76 sq. units B. 48 sq. units C. 124 sq. units D. 28 sq. units

Read the excerpt below and answer the question. SHE dwelt among the untrodden ways Beside the springs of Dove, A Maid whom there were none to praise And very f

largest delta in the world. kidhar hai market mein India

A driveway is 60-feet long by 6-feet wide. The length and width of the driveway will each be increased by the same number of feet. The following expression rep

In a bumper car arena, two cars of equal mass are heading straight toward each other. The orange one is traveling at a speed of 5 meters per second. The green o

what is the rescursive formula for this geometric sequence? 7, -14, 28, -56

30% of what number equals 9

The $x$-intercepts of the parabola $y = x^2 + bx + c$ are $(-3,0)$ and $(5,0).$ Find the equation of the parabola, and submit your answer in $y = ax^2 + bx + c$

WILL GIVE BRAINLIEST ANSWER!! What is the value of x? Enter your answer in the box.

A 0.17kg ball rolls at 0.75m/s to the right on a frictionless surface and collides with a 0.17kg ball rolling to the left at 0.65m/s. (Elastic Collision) What i