Answer:
5^3
Step-by-step explanation:
125= 5*25
25=5*5
5 is a prime number and there are 3 of them so the answer in index notation will be 5^3
J=9+x
5J=110
A) 110=5(9+x)
110=45+5x
65=5x
13=x
B) Kim is 13 years old
J=9+x
J=9+13
J=22
C) Jordan is 22 years old
Notice this is a geometric progression since each number multiplied by some factor equals the next number in the sequence, in this case,
Then by applying the formula for sum to infinity of a geometric progression,
Answer:
They both factored it correctly
Step-by-step explanation:
To find the one that was factored correctly, we expand the two of them and compare with .
Fernando
=
=
Salma
=
=
As we can see, they both factored it correctly.
Answer:
B
Step-by-step explanation: