claurenray13 claurenray13

16-02-2021
Mathematics

contestada

In an Arithmetic progression, if d= -4, n=7, an=4, then find a.

Respuesta :

Hrishii Hrishii

16-02-2021

Answer:

a = 28

Step-by-step explanation:

[tex] a_n = a + (n-1) d[/tex]

[tex] 4 = a + (7-1) (-4)[/tex]

[tex] 4 = a + 6 (-4)[/tex]

[tex] 4 = a - 24[/tex]

[tex] 4 +24= a [/tex]

[tex] a = 28[/tex]

Answer Link

Otras preguntas

Atoms of elements at the top of a group on the periodic table are smaller than the atoms of elements at the bottom of the group. How does this explain the diffe

When pinpointing to narrow your topic, you must focus your subject by _____.

The cost of one pound of bananas is greater than $0.41 and less than $0.50. Sarah pays $3.40 for x pounds of bananas. Which inequality represents the range of p

NEED ANSWER A.S.A.P In this passage from “The Minister’s Black Veil,” the minister’s fiancée inquires about the black veil. What concern does she express to him

Mckenzie is new at observing infant behavior in the strange-situation test and is uncertain how to assess baby stephan’s actions. if she guesses that he is secu

please answer this and I really need it now

The most effective form of incapacitation is

Why are acid and base indicators important? How could they be used in everyday life?

Why did the Continental Congress adopt the Olive Branch Petition?

mrs cassel has 3 children each child has 9 shirts in a dresser if the children take 6 shirts out how many shirts are left