sanyasianjana2 sanyasianjana2
  • 26-05-2021
  • Mathematics
contestada

what is the sum of the first 25 terms of an arithematic sequence if the sum of its 8th and 18th terms is 72?​

Respuesta :

frostfang212
frostfang212 frostfang212
  • 26-05-2021

Answer:

900

Step-by-step explanation:

Answer Link

Otras preguntas

Type 4/6 in the simplest form
If f(x) = 2x + 4, what is the value of the function when x = 5? O 14 O 10 oo Submit
3. A beam of light emerges from water into air at an angle. The beam is bent a. towards the normal b. away from the normal. c. 48 degrees upward. d. 96 degrees
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > −2x + 3 y is less than 1 over
(03.02) If g(x) = 2(x - 4), find the value of x if g(x) = 20. (2 points)
108 identical books have a mass of 30 kg. Find (i) the mass of 150 such books, (ii) the number of such books that have a mass of 20 kg.
Read the secondary source below. What action might you take to convince others that this is an unreliable source about ancient Greece? Date Published: June 15,
A random sample of 10 of the 2005 Nextel Cup NASCAR drivers produced the following ages: 33, 48, 41, 29, 40, 48, 44, 42, 49, 28. a. Find the mean age for the 1
Which of the following waves have the highest energy? (4 points) Gamma waves Microwaves Radio waves Visible light
What is the area of the polygon given below