Seudónimo
Seudónimo
20-02-2015
Mathematics
contestada
4+8+12+... + 4n=2n(n+1)
Respuesta :
Panoyin
Panoyin
21-02-2015
4 + 8 + 12 + 4n = 2n(n + 1)
24 + 4n = 2n(n) + 2n(1)
24 + 4n = 2n² + 2n
-2n -2n
24 = 2n²
24
=
2n²
2 2
12 = n²
√12 = n
√4 × 3 = n
√4 √3 = n
2 √3 = n
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
Find X. Hint: T is an inscribed angle that creates arc WS. Arc WS can be found by adding arcs WR and RS together. See picture for full problem. Please and thank
Which statement regarding the digestive system is true? A.The large intestine stores waste ready for elimination. B.Viruses in the colon help produce valuable v
PLEASE SOMEONE HELPPP!!
If 25 workers can complete a work in 48 days, then in how many days 20 workers will complete the same work?
Complete each sentence with the correct verb, then translate the sentences into English. 1 Mes parents _________ mariés. _______________________________________
Match each function to the part of the ear that performs it auricle anvil eardrum ear canal cochlea
pleaseeeeeeeeee i need some help here
evaluate: 3 /7 + ( −11 /4 ) + 16 /5 − ( −18 /7 )
Find the length of the third side. If necessary, round to the nearest tenth Pythagorean Theorem (Rounding)
Read the passages to answer the questions and give your best answers.Questions: Which sentence BEST explains why the author of "The Hardy Live Oak" says that th
