Each page from 10 to 99, inclusive (so total of 90 pages) needs two digits (for example page 12 needs two digits: 1 and 2); Each page from 100 to 200, inclusive (so total of 101 pages) needs three digits (for example page 123 needs three digits: 1, 2 and 3)
Answer:
-9
Step-by-step explanation:
The missing number will be labeled as x.
-15*x*8*(-4)=-4320
480x=-4320
x=-9
Answer:
$16.50
Step-by-step explanation:
40 x 52 = 2080
34, 320 / 2080 = 16.5
(x-1)/ (x+7). factor the top (x-1)(x-7). then factor the bottom. (x+7)(x-7) so it should read, (x-1)(x-7)/(x+7)(x-7) the 2 (x-7) cancels out. so your left with (x-1)/(x+7). I hope this helps
i am sorry i was gonna anwer but i keep getting it wrong mys elf