Answer:
r = 
Step-by-step explanation:
Express the equation with the term in r on the left side
P + Prt = A ( subtract P from both sides )
Prt = A - P ( isolate r by dividing both sides by Pt )
r =
Answer:
You havent showed us the pattern
Let the number of minutes be = x.
Cost per minute = 11 cents = 0.11
Phone Bill = Monthly fee + 0.11* x
Substituting from the question
20.82 = 3 + 0.11x
3 + 0.11x = 20.82
0.11x = 20.82 - 3
0.11x = 17.82
x = 17.82/0.11
x = 162
<span>Lamar was billed for 162 minutes.</span>
Answer:
10d-6
Explanation:
4+10d-10
Combine like terms -10 and 4
-10+4=-6
10d-6
The first point is (-6,4). The second point is (2,0). Apply the midpoint formula.
(-6+2)/2=-4/2=-2
(4+0)/2=4/2=2
The midpoint is (-2,2).
