I think the answer is 5, if you divide 7.5 by 1.45 you get 5.2 or 5.17 so approximately 5.
A linear inequality contains one of the symbols of inequality: < is less than. > is greater than. ≤ is less than or equal to.
Answer:
x = -9, 9.
Step-by-step explanation:
x^2 - 81 = 0
x^2 = 81
x = -9, 9.
The answer is 3.45 meters and the second ones gonna be .01
Hello,
<span>
4 different letters and 3 different digits</span>
X represent a letter
- represent a digit
All letters must be kept together:
4 possiblities
XXXX---
-XXXX--
--XXXX-
---XXXX
There are 26 letters.
For each possiblity:
26 choices for the 1 letter
25 choices for the 2 letter
24 choices for the 3 letter
23 choices for the 4 letter
There are 10 digits:
10 choices for the 1 digit
9 choices for the 2 digit
8 choices for the 3 digit
Numbers of codes: 4*26*25*24*23*10*9*8=1033344000.