midnightblack1405 midnightblack1405

03-02-2022
Mathematics

contestada

What is ∑n=17(10n+90) equal to?

Enter your answer in the box.

What is n1710n90 equal to Enter your answer in the box class=

Respuesta :

goddessboi goddessboi

03-02-2022

Answer:

910

Step-by-step explanation:

[tex]\sum_{n=1}^{7}(10n+90)\\\\=\sum_{n=1}^{7}(10n)+\sum_{n=1}^{7}(90)\\\\=10\sum_{n=1}^{7}(n)+90(7)\\\\=10(\frac{7(7+1)}{2})+630\\\\=10(28)+630\\\\=280+630\\\\=910[/tex]

Answer Link

Otras preguntas

Thomas A. Edison, famous for his invention of the light bulb, once said “I have not failed. I’ve just found 10,000 ways that won’t work.” What does this mean to

poopoo is made of what

have you said or did something that changed a life of another person.Give an account of your words or action that led to this change and describe how the experi

unit rate 232 miles in 4 hours

What is the perimeter of the polygon

After examining a child at his 2-year checkup, the boy's pediatrician said that the z-score for his height relative to other 2-year-olds in the country was 1.59

Question 6 of 10 Look at the picture below. Which best describes the bond shown? A. A covalent bond between two molecules B. An ionic bond between two molecules

solve for v 2(3v+8)=70

-3(-9v – 4) – 2(v – 2)

Calculate to average diameter for each bubble solution. Super bubble=____cm regular bubble soap____cm Use the results on the chart