Answer:
X=17.5
Step-by-step explanation:
The solution is in the image
Answer:
The possible combinations of two letters is 12
Step-by-step explanation:
Here, we want to count the possible combinations of two letters
Now, for the first letter any point in time, we have 4 letters to pick from,
For the second letter we have 3 letters to pick from
So therefore, we have the possible combinations as;
4 * 3 = 12
Answer:
Last one is one of the answers
Step-by-step explanation:
3(x+4)=-24
= 3x +12=-24
X - 8y = - 80
You move the expression to the left, multiply both sides, reorder the terms, and change the signs.
Answer:
x=-1 and x=9
Step-by-step explanation:
=
=
=
=
therefore x=9 and x=-1
