agwachter586 agwachter586

03-04-2021
Mathematics

contestada

What is S7 for the arithmetic series: a1 = 26, d = 3, and a7 = 44

Respuesta :

alikhanbilyaliyev alikhanbilyaliyev

03-04-2021

Answer:

The answer is 245

Step-by-step explanation:

For arithmetic series with n=7: S7=(a1+a7)*7/2

Thus, S7=(26+44)*7/2=245

The answer is 245

Answer Link

Otras preguntas

Janie plants 1/4 of the area of a garden with carrots. Which decimal is equivalent to the area with carrots?

5-When a local auto repair shop sponsors a local softball team, it is using the _____ element of the promotional mix. A. advertising B. public relations C. sa

please help me! 15 points

Jerome bought three T-shirts. The red one cost $7.97, the green one cost $11.49, and the black one cost $12.58. How much did they cost in all?

Most Greeks made their money via what?

what was the indian removal act

Can I get some help with this please..

What is the prime factorization of 81m 2 x 3?

In 1-2 sentences explain how to save a new document.

If f(x)=x^3+3x+5 what is f(a+h)