Answer:
a=-4, b=-4. (-4, -4).
Step-by-step explanation:
-3a+7b=-16
-9a+5b=16
-------------------
-3(-3a+7b)=-3(-16)
-9a+5b=16
---------------------------
9a-21b=48
-9a+5b=16
------------------
-16b=64
b=64/-16
b=-4
-3a+7(-4)=-16
-3a-28=-16
-3a=-16+28
-3a=12
a=12/-3
a=-4
Answer:
at twice the father's rate of speed. At this rate; how many miles would the bicycle rider travel in 9 hours?
Step-by-step explanation:
at twice the father's rate of speed. At this rate; how many miles would the bicycle rider travel in 9 hours?
We are first given f(x) = 7x. The line is then changed to f(x) = 7x + 7 by moving the graph up 7 units on the y-axis.
Direction: THE GRAPH IS MOVED UPWARD.
646.1 / 34; or write as:
________________________
646.1 <span>÷ 34 ,
</span>______________
= 19.0029411764705882. (Use a scientific calculator; or web-based calculator to get that answer).
________________________
Answer:
186 minutes.
Step-by-step explanation:
33.63 to start.
take away the service fee of 18.75
14.88
divide 14.88 by 0.08
186
