10≤n<100
So the number of two digit numbers is 99-10+1=90
The only combinations that sum to 5 are 14, 23, 32, 41, 50 so
P(sum=5)=5/90
P(sum=5)=1/18
Is there supposed to be a picture I’m sorry I don’t see it
9 < x
this means that x is a larger number than 9
9 = x
this means that x is equal to 9
A letter, which is how you name it. If that is what your asking, of course.
Answer:
4x² + 4x + 1
Step-by-step explanation:
We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.
