nintimanny nintimanny

04-02-2015
Mathematics

contestada

HELP PLEASE !!!!!
1 . What is the value of the sum indicated by the expression ( the bottom is 2k + 2 )

HELP PLEASE 1 What is the value of the sum indicated by the expression the bottom is 2k 2 class=

Respuesta :

konrad509 konrad509

04-02-2015

[tex]\sum_{k=4}^8(2k+2)=2\cdot4+2+2\cdot5+2+2\cdot6+2+2\cdot7+2+2\cdot8+2\\ \sum_{k=4}^8(2k+2)=10+12+14+16+18\\ \sum_{k=4}^8(2k+2)=70[/tex]

Answer Link

Otras preguntas

Use the x-intercept method to find all real solutions of the equation. x^2-9x^2+23x+15=0

conozco a las niñas ___ . A.inteligentes B.grande C.mexicanos D.buena

Mrs. Jones is exposed to high-energy solar radiation. She develops skin cancer as a result of a mutation in skin cells. A physician removes the cancerous cells,

What is 4 1/8 simplified to

_________ act like large rivers in the Earth's oceans and help spread Earth's heat and shape climates. Ocean currents Wind patterns Temperature differences

Enter the value of the missing leg of the triangle.

Definition: This is the central message of a story, poem, novel, or play that many readers can apply to their own experiences, or to those of all people.

On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite direction. The number b varies directly with the nu

The primary advantage quick-service restaurants have over other restaurant types is

what changes in television and news coverage were important in the 1990s?