toluadekoya223 toluadekoya223

26-02-2024
Mathematics

contestada

Find the sum of the first twelve terms of the sequence 2, 5, 8, 11,...

Respuesta :

26-02-2024

Answer:

222

Step-by-step explanation:

Basically arithmetic sequence where the common difference is 3 and the first term is 2. Therefore the 12th term would be 35

Hence [tex]S_{12}=12*(2+35)/2=\boxed{ 222}[/tex]

Answer Link

Otras preguntas

Given that P-31 is the only natural isotope of phosphorus, what is the mass of one P atom and the mass of Avogadro's number of P atoms, respectively?

solve 3-2cos²x-3sinx=0 for 0≤x≤360

Which groups in American society might have opposed Progressive reform? Explain.

what is the multiplicative identity of the complex number –3 + 5i

What made slums so difficult to live in?

Anne,Ryan and Joel collect empty cans for recycling. They collect a total of 1,925 cans. Anne collects half as many cans as Ryan. Joel collects twice as many ca

When a number is a multiple of 6, what are the possible values for the ones digits?

11. A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a A. sinkhole. B. stalagmite. C. stalactite.

5.4+0.2x=-1.4x+8.6=?

what are some of the psychological stages of healing following on injury