ovientabamarvel
ovientabamarvel ovientabamarvel
  • 03-05-2022
  • Mathematics
contestada

Find the sum of the first 20 term of the Series 5+8+11+14+....​

Respuesta :

XxAtomicxX
XxAtomicxX XxAtomicxX
  • 03-05-2022

Step-by-step explanation:

Sn=n/2(2a+(n-1)d). n=20

S20= 20/2 (2x5+(20-1)3 a=5

S20=10(10+57). d=8-5=3

S20=10x67

S20= 670

Hope this helps you

have a great day

Answer Link

Otras preguntas

What are the political opinions of Celia and her daughter Lourdes? Celia does not support Fidel Castro, but Lourdes does. Lourdes does not support Fidel Castro,
5. Which of the following situations could be solved using the equation 3m + 5 = 11? Select two that apply. A. Mr. Thomas bought 3 sets of paintbrushes for the
Ten less than the quotient of a number and-6 is -2
1/16+3/18? Find the lowest common denominator?
Percocet contains oxycodone at varying strengths.Every strength also contains 325 mg of acetaminophen per tablet.If the dose is not to exceed 3.9g of acetaminop
Plays are broken down into-- acts and scenes chapters scenes acts first one gets brainliest
Pls answer if you know this thanks
What is equivalent to n^-10/n^2
Now that you know that Mendel failed to pass his teaching exams twice, what do you think of him?
Use the Pythagorean theorem to prove whether or not each set of numbers represent the side lengths of a right triangle. In your final answer, include your proof