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

In maize, yellow kernel color is dominant to white, and wrinkled kernel shape is dominant to the smooth form. Considering both of these traits jointly in self-

(ILL GIVE BRAINLIEST PLZ HELP T^T) What is one of the criticisms of Reality TV, according to the article “To Tell the Truth”? a. It represents only a small numb

Given the snippet of code: int x = 5; int bar(int j) { int *k = 0, m = 5; k = &m; return (j+m); } void main(void) { static int i =0; i++; i = bar(i) + x; }

A random sample of 25 values is drawn from a mound-shaped and symmetric distribution. The sample mean is 9 and the sample standard deviation is 2. Use a level o

What is the slope of the line shown below? 10 (8,8) O A. -3 LO (5,5) O B. -1 O c. 1 -5 5 10 15 5 O D. 3 -10 1

why is it important of having regular supervision of the market?

Please help me with this I really need help (ಥ_ಥ)

Explain two ways that 3-Dimensional and 2-Dimensional objects are connected.

nguyên tắc xác lập lợi tức tiền vay

list the factors influences and beliefs which impede the implementation of health initiatives at the local and national level.Beside the answers,write how these