The formula for simple interest is A = P(1+rt)
Where P is the principal ( amount of money deposited)
R is the interest rate
t is the amount of time
A is the total of the principal and interest.
Using the information given in the problem:
A = 4200(1+0.0325*3)
A = 4200(1 + 0.0975)
A = 4200(1.0975)
A = 4609.50
Now subtract the principal from the total to find the amount of interest:
4609.50 - 4200 = 409.50
Amount of interest = $409.50
So -390 -- 220 = -170
That was the change between the beginning and end of the turn.
2y-6=8x+4
+6 will cancel out on the left...
2y=8x+10
divide by 2 to get y=4x+5
Finally, you would make a graph, to find x=1 and y=9
10
,
−
5
,
−
14
3
,
9
,
3.77
,
−
1
3
π
,
9
,
−
3.8
,
23
The natural numbers are:
10
,
9
,
9
,
23
The whole numbers are:
10
,
9
,
9
,
23
The integers are:
10
,
−
5
,
9
,
9
,
23
The rational numbers are:
10
,
−
5
,
−
14
3
,
9
,
3.77
,
9
,
−
3.8
,
23
The irrational number is:
−
1
3
π
K think that the answer is 3
