2010000504 | math4u.vsb.cz

SubArea:

Arithmetic sequences

Level:

Project ID:

2010000504

Source Problem:

Accepted:

0

Clonable:

1

Easy:

0

Solve the inequality with the natural variable

x

:

\sum_{n = 1}^{x} (5 - \frac{1}{2} n) \geq x

x \leq 15; x \in N

x \geq 15; x \in N

x \leq 17; x \in N

x \in (- \infty; 15]

there is no solution in

N