nattt9429 nattt9429

08-04-2018
Mathematics

contestada

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

Respuesta :

mkryukova19 mkryukova19

08-04-2018

a1=6*1-12=-6 arithmetic sequence
a14=6*14-12=72
sum =n(a(1)+a(n))/2
sum =14*(-6+72)/2=462

Answer Link

Otras preguntas

Motor neurons in mammals transmit signals from the brain to skeletal muscles at approximately 25 m/s. estimate how much time in ms (10−3s) it will take for a si

Rain falls vertically downward with the velocity of 3.3 m/s. a boy moves at a speed of 5 m/s east in a bicycle with an umbrella. what is the velocity of the rai

What protocol suite below is the most commonly used protocol for local area network (lan) communication?

The original civilizations of the Indus Valley were greatly changed by the migration of the

Select the phrase that is most likely being described. Es una excelente manera para conocer a personas que viven en otros países y tienen tus mismos intereses.

How to use a quote from a book that has conversation in it in mla format?

How many calories are in a food that contains 20 grams of carbohydrate, 8 grams protein, and 5 grams of fat? 157 232 258 378?

Si te gusta estar con niÃ±os, Â¿dÃ³nde haces un trabajo voluntario? Â¿y si te gusta ayudar a la gente enferma?

What does microsoft recommend for large organizations requiring desktop virtualization for many clients? quizlewt?

Which document begins with the words we the people of the united states