Expert in study
alarm
Ask
Other
David Davis

Hallar el valor de "m" para que cumpla: 15+21+27+33+...+m=351a)97b)88c)89d)90e) 92​

answers: 1
Register to add an answer
The time for answering the question is over
478 cents Greta
Answer:

63

primero decimos averiguamos la razon

21 - 15 =6 esta avanzando de 6 en 6

Entonces:

33 + 6=39

39 + 6=45

45 + 6=51

51 + 6= 57

57 + 6=63

15+21+27+33+39+45+51+57+63 = 351

273
Greta
For answers need to register.
Contacts
mail@expertinstudy.com
Feedback
Expert in study
About us
For new users
For new experts
Terms and Conditions