Answer:
5 1/7 or 36/7
Step-by-step explanation:
11 8/7+3 5/1-x=15
12 1/7+8-x=15
12 1/7+8-15=x
20 1/7-15=x
5 1/7=x
Answer:380
Step-by-step explanation:sort the list, take center value or mean of center values if even number of items in list
Answer:
Step-by-step explanation:
5x + 5y = 20
2x - 5y = 15
7x = 35
x = 5
5 + y = 4
y = -1
(5, -1)
Solve for any of the variables; for instance,
:


Then

Let
; then the intersection is given by the vector-valued function

or

Answer:
the correct answer is C
4x=52
52 divided in 4 parts is 13, so each ticket is 13 dollars