Answer:
it is V7
Step-by-step explanation:
Answer:
x=-3
y=4
Step-by-step explanation:
2x-y=-10
y=4
Substitute y = 4 into the first equation
2x-(4) = -10
2x -4 = -10
Add 4 to each side
2x-4+4 = -10+4
2x = -6
Divide each side by 2
2x/2 = -6/2
x =-3
Answer:
12 F.
-2 degrees F/ hour.
Step-by-step explanation:
The difference between high and low is 7 - (-5)
= 7 + 5
= 12 degrees F.
Average change per hour is (-5 - 7) / 6
= -2 / hour.
Answer:
$17.65
Step-by-step explanation:
First you have to subtract $7.65 from the total cost, $42.95.
Now, you have $35.30. Since she bought 2 DVD's, you have to divid $35.30 by 2.
Your answer is now $17.65, meaning that each DVD cost $17.65.
