Answer:
x=35
Step-by-step explanation:
A pentagon's sum of interior angles is 540 degrees.
Now, we can set up an equation.
(4x - 57) + (3x + 15) + 4x + (2x - 3) (3x + 25) = 540
Combine similar terms
16x - 20 = 540
16x = 560
<u>x = 35</u>
Answer:
yes done open those link i get them all the times
Step-by-step explanation:
Answer:
Original Value= $361.21
Step-by-step explanation:
Giving the following information:
The value of the savings bond increases by 3% each year. One year after it was purchased, the value of the savings bond was $515.
<u>To calculate the original value of the bond, we need to use the following formula:</u>
OV= PV/(1+i)^n
OV= original value
PV= present value
i= increase rate
n= number of months
OV= 515 / (1,03^12)
OV= $361.21
Answer:
Raised by $2.25/month
Step-by-step explanation:
9000/1000=9
28-25=3
3*9=27
27/12=$2.25
Add 3.5 to 14.9------------