azarco7879
azarco7879 azarco7879
  • 01-03-2018
  • Mathematics
contestada

What's the explicit formula HELP

Whats the explicit formula HELP class=

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 01-03-2018
replace N with 6

6(6+1)(2(6)+1) / 6

(6*7*13) / 6

546 / 6 = 91

Answer is C
Answer Link

Otras preguntas

Rohan bought a motorbike for rupees 5675 and spent 453 rupees on its repiar. Then he sold it for 1265. Find out the profit or loss he made.​
A man sold two watches at Rs 240 each; on one he gained 7% and on the other he lost 7%. The gain or loss percent in the whole transaction is a) 7% gain b) 7% lo
Find the distance between the points (6,8) and (10,5). Write your answer as a whole number or a fully simplified radical expression. Do not round.
Which one replace the question mark?​
Who is Christina Rivera Garza?
2 ( k - 5 ) + 3k = k 6
In the cuboid below, tan(A) = 3 tan(B) = 4 Work out the value of tan(C). If your answer is a decimal, give it to 1 d.p.
-6+4x= -9 solve the following equation
11. Tungsten can also be obtained by reacting tungsten fluoride with hydrogen. The equation for this reaction is WF6 + 3H2 à W + 6HF (i) In an experiment, a che
When 7 is subtracted from a certain number and the result is multiplied by 2, the final number is 18. What is the original number?