Answer: 10
Explanation: 2/3 of 15 is 10
Answer: 60 different numbers can be formed
Step-by-step explanation:
Note that we have 5 different digits, and we must select 3 of them. They should not be repeated
The order of selection is important in this case, because the number 532 is not the same as the number 235.
So we have a permutations problem, where we have a set of n elements and we want to choose r from them.
Then we define the permutacion as:

In this case note that n=5 because there are 5 elements in the set.
r = 3 because we combine the elements to form three-digit numbers
Then:





B because 6 times 2 is 12...
Answer:
D
Step-by-step explanation:
y = 3x - 2 intercepts the y axis at -2
y = -2x + 3 intercepts the y axis at 3
the lines which satisfy these conditions intersect at point D
Answer:
D
Step-by-step explanation:
Using the Altitude- on- hypotenuse theorem
DF² = CD × DE , substitute values
12² = 6 DE
144 = 6 DE ( divide both sides by 6 )
24 = DE → D