user345 user345

20-07-2017
Mathematics

contestada

What is the value of the fourth term in a geometric sequence for which a1 = 10 and r = 0.5 ?

Respuesta :

20-07-2017

[tex]\bf\\ a_1 = 10~\text{\bf and} ~r=0.5\\\\ a_2 = a_1 \times r = 10 \times 0,5 = 5\\\\ a_3 = a_2\times r = 5 \times 0,5 = 2.5\\\\ a_4 = a_3\times r = 2.5 \times 0,5 = \boxed{\bf 1.25} [/tex]

Answer Link

Otras preguntas

You might find _____ in the Arctic. 1.) hydrophytes 2.) mesophytes 3.)xerophytes

When you are ating celerey what tissues are you eating ?

When estimating a serving size, it is good to know that 3 oz. of __________ is about the size of a deck of cards. A. meat, poultry, or fish B. cheese C. nuts or

(2√5 + 3√7)^2 show your work and justify each step. Thank you!

in any ecosystem (what)are the point of the entry for new energy?

divide 794.1 by 7.61 Point round off your answer to two decimal places

what is the amount of space occupied by an object?

12. What is the most important part of the representative democracy?

Ageism is the belief that one age category is superior to another age category. Please select the best answer from the choices provided T F

Which increases the rate of a chemical reaction? A. a catalyst B. a higher volume C. a lower pressure D. a lower temperature