spencer19kyle spencer19kyle

12-03-2019
Mathematics

contestada

is the sequence 5,9,15 an arithmethic sequence explain ?

Respuesta :

nicolehopefaircloth nicolehopefaircloth

12-03-2019

If a, b, c is an arithmetic sequence then a + c = 2b

a = 5, b = 9, c = 15

subtitute

a + c = 5 + 15 = 20

2b = 2 · 9 = 18

20 ≠ 18

Answer: The sequence 5, 9, 15 is not an arithmetic sequence.

Answer Link

Otras preguntas

What is the GCF of 1.) 14b^2 - 35b^2 2.) 18x^3y^2 + 42x^2y^3 3.) 12x^2 + 16y^2 4.) 3x^2 - 9 you + 12 5.) 45x^3 - 60xy^2 6.) 36x^2 + 18x^3 - 6 + 12x^4

The process of splitting and Atom into two lighters atoms is called?

8(1+5x)+5 = 13+5x help me with my math problem

Ian earns £420 a week after a 5% rise. What was his pay before?

Mixing 4 ml of red paint and 15 ml yellow paint makes orange paint. How much red would be needed if you use 100 ml of yellow paint? Please show work

Round 3.8129 to three decimal places?

Jim is standing beside a pool. He drops a weight from 4 feet above the surface if the water in the pool. The weight travels a total distance of 12 feet down bef

A room is 8.5 m long,6.5 m broad and 3.4 m high. It has two doors, each measuring (2 m 1m).Find the cost of painting its four walls at £160 per m.

A solution that contains a small amount of salt in a large amount of water is said to be a -----solution?

What six reasons did the founding fathers give as the purpose for establishing the constitution?