Answer:
Step-by-step explanation:
Supplementary angles are angles equal to 180°.
Therefore:
Now that we have our equation, let's distribute the 
and the 
into the parentheses they are next to:
Combine like terms:
Subtract 
from both sides of the equation:
Divide by the coefficient of 
, which is 
:
~
Check your work by substituting 
into one of the equations above:
It's correct!
Answer:
e=9
sorry thats all i know:(
Step-by-step explanation:
Notice that based on the diagram, all of the sides of the triangle are the same length. (The dashes on the sides of the triangle show that the sides are of congruence.) This means that the triangle is an equilateral triangle. An important thing to note about equilateral triangles is that they all have angles of 60°. All angles in equivalent triangles are 60°.
This means that we can set 
equal to 60 to solve for :
Our answer is x = 9.
Yes it is. However if it has a variable you usually call it a function
Answer:
Step-by-step explanation:
Given:
Option a:
Down payment, Da = $200
Monthly fee, Ma = $50
Option B:
Down payment, Db = $500
Monthly fee, Mb = $25
Monthly fee, M = payment, P/number of months, n
Total cost, Pc = down payment, D + payment, P
Equating both options we have:
500 + 25 × n = 200 + 50 × n
500 + 25n = 200 + 50 n
25n = 300
n = 300/25
= 12 months
At 12 months, both payment options will be the same.
