chelseamontgome chelseamontgome

10-04-2018
Mathematics

contestada

What is the sum of the first 14 terms of the sequence
an= 6n - 12

Respuesta :

jcherry99 jcherry99

10-04-2018

Term 1 = 6*1 - 12
Term 1 = 6 - 12
Term 1 = - 6

Term 14 = 6*14 - 12
Term 14 = 84 - 12
Term 14 = 72

Number of terms = 14

Sum = (term1 + Term14)*number of terms / 2
Sum = (-6 + 72)*14/2
Sum = 66*14/2
Sum = 462

Answer Link

Otras preguntas

What is the difference between volume and tone in a persuasive speech? 1)Volume is how loudly or softly you speak, while tone is the manner in which you speak.

which of the following is NOT one of the broad economic and social goalsof the United States?O economic freedomO economic equalityO economic security

)Which explanation provides the best evidence to support the interpretation that Caesar's pride led to his downfall? Caesar sleeps peacefully through the night

what general type of plant food is produced by photosynthesis

help me with 2 through 4 please!

a single strand of dna helix has a code ataggc. which would be the complementary code on the other strand of the helix

enrique_____ la tarea. A.hice B.hiciste C.hizo D.hicieron

what term references a period of economic growth as measured by a rise in the real GDP? a. trough b. recession c. expansion d. depression

What was the major weakness of the League of Nations?

The Answer asap Thanks in advance