Answer:
The explicit rule for this situation is
In row 12 there will be 14 pins
Step-by-step explanation:
We have an initial amount of 3 pins in the first row. Let's call the number of pins in row n.
where n is an integer and .
So
In row n + 1 there will always be a pin more than in the previous row n, then:
Then:
<em>Finally in row 12 there will be:
</em>
Answer:
5.76
Step-by-step explanation:
4.80×.20=0.96
4.80+0.96=5.76
Answer:
C
Step-by-step explanation:
Hey There so the first step of this problem is to find the formula for circumference
given some of the values we can form an equation to solve for the radius (r)
so we can conclude that the radius is equal to 5
40%/4=10%; 10%x10=100%
So..
28/4=7; 7x10=70
70 houses