Answer: 
(The common base is 2).
Step-by-step explanation:
You have the equation given in the problem:
Then base of 
is 2. Therefore, the common base must be 2.
If you add 3 to both sides of the equation, you obtain:
If you descompose 8 into its prime factors, you obtain that it can be written as:
8=2*2*2=2³
Therefore, you can you rewrite each side of the equation as following:
Where the common base is 2.
Answer:
>
Step-by-step explanation:
12 s bigger thn 10.
First, let's take a look at the formula of a sector: θ/360° x 兀r^2
In this case:
=90°/360° x 兀13^2
=1/4 x 169兀
=169/4 兀
=42.25兀 sq. ft
Therefore the answer is 42.25兀 sq. ft.
Hope it helps!
Answer:
There are 76 boys in the soccer league.
Step-by-step explanation:
You can set up this equation:
Turn 40% into 0.40
0.40 x 190 = ?
76 boys.
Answer: 69.95$
Check: 69.95 x 0.4 = 27.98
69.95-27.98 = 41.97
