jinflowers jinflowers
  • 13-05-2019
  • Mathematics
contestada



a.

8 + 12 + 16 + 20; 56

c.

8 + 12 + 16 + 20; 120

b.

8 + 16 + 32 + 64; 56

d.

8 + 16 + 32 + 64; 120


​

a8 12 16 20 56c8 12 16 20 120b8 16 32 64 56d8 16 32 64 120 class=

Respuesta :

gmany
gmany gmany
  • 14-05-2019

Answer:

a. 8 + 12 + 16 + 20; 56

Step-by-step explanation:

[tex]\sum\limits_{k=2}^54k\\\\\text{Make a sum with components equal to 4k,}\\\text{ where k = 2, k = 3, k = 4 and k = 5}:\\\\4(2)=8\\4(3)=12\\4(4)=16\\4(5)=20\\\\8+12+16+20=56[/tex]

Answer Link

Otras preguntas

Julius and Ethel Rosenberg were charged, convicted, and executed specifically for a. being members of the communist party. b. violating the Smith Act c. passing
A student drops an object out the window of the top floor of a high-rise dormitory. (a) Neglecting air resistance, how fast is the object traveling when it stri
The price of gasoline increased by 0.16 times the price of one year ago. If the price one year ago was $3, how much was the increase?
What are causes and effects of unemployment?
Which describe the Persian Empire? Choose all answers that are correct. A. The Persians avoided using ideas from the peoples they conquered. B. Darius I built a
The Sumerians are the earliest known inventors of ___________.
a pitcher could hold two twelfths of a gallon of water. If Roger filled up nine pitchers, how much water would he have?
How many sixties are in 244?
Most earthquakes happen: A.) near passive margins B.) near subduction zones C.) in the middle of continents D.) in a ring around the Atlantic Ocean
wich two biomes are connected by estuaries