53) Vertical angles are congruent, so 
54)
and
are supplementary, so 
55) Because vertical angles are congruent,
. Now, because DR bisects
, this means 
56) This is a geometric sequence where the next term is obtained by multiplying the previous term by -2, so the next two numbers are 16, -32
x = # of hours the bike was rented.
$40 = $12 + $7x
Subtract $12 from both sides.
$28 = $7x
Divide both sides by $7
4 = x
Sandy rented the bike for 4 hours.
Answer:
y - 9 = -6( x - 0)
y - 9 = -6x + 0
y = -6x + 9
Step-by-step explanation:
Answer:
The scale factor is .625 is false The scale factor 1.6 is true
Step-by-step explanation:
Since the triangle gets bigger the multiplication factor needs to be more than one to make the end result bigger
Answer:
y = 49 - x
Step-by-step explanation:
Let the other number be y.
Given x + y = 49
x+y-x = 49 - x
y = 49 - x