Answer:
720 Arrangements
Step-by-step explanation:
Given the numbers could be from 0 - 9 and none of them is to be repeated.
The first place could be filled in 10 ways. (0 - 9)
The second place could be filled in 9 ways. (Excluding the one in the first place).
The third place could be filled in 8 ways. (Excluding the two numbers in the first two places).
Therefore, the total number of arrangements possible for the lock is:
= 720 ways.
Answer:
The hypotenuse is square root of 65
Step-by-step explanation:
a^2 + b^2 = c^2
legs of the right triangle are a and b. Just substitute 4 for a and 7 for b and solve.
4^2+7^2=16+49=65
c^2=65
Find the square root of both sides to get
c=the square root of 65
Imagine instagram on here
Answer:
Its d
Step-by-step explanation:A probability of 1 indicates an event will definitely happen.