546-500=46
500 - 100
46 - нужно найти.
46*100/500 =9,5\%
(9,5-1)/2=4
в 1-ый раз на 5\%
2-ой на 4
Проверка:
500*1,05= 525
<span>525*1,04= 546
</span>
9x^2 + 24x + 16 - (9x^2 - 1) - 65 = 0
9x^2 + 24x + 16 - 9x^2 + 1 - 65 = 0
24x + 16 + 1 - 65 = 0
24x + 17 - 65 = 0
24x - 48 = 0
24x = 48
x = 2
1. 7-а<7-b
2. -7.3>-8
<u> 7.3>4 </u>
0>-4
3. b>0
a>0