Answer:
n= 250
Step-by-step explanation:
simplify both sides of the equation then isolate the variable
Answer:
x = -1, y = -2.
Step-by-step explanation:
Using the elimination method,
multiply the first eqn by 2 and the 2nd eqn by 5.
6x - 10y = 14
25x - 10y = -5
Subtract one of the new equations from the other
-19x = 19
x = -1
Sub x=-1 into the 2nd eqn
-5 - 2y = -1
y = -2
Hence x = -1, y = -2.
GH=CD i think im not really super outrageous with math
Answer:
The total length of the border is 
Step-by-step explanation:
we know that
The circumference of a circle is equal to

we have

assume

substitute

Answer:
I think so b is the option