2 [-3x+2y=8]
6x-2y=-20
-6x + 4y = 16
6x - 2y = -20
2y = -4
y = -2
use the first eq (u can use any) then substitute the value of y
-3x + 2(-2) = 8
-3x -4 = 8
-3x = 12
x = -4
B is definitely between those decimals
Answer:-87
Step-by-step explanation:
Answer:
5n + 10d represented the money spend by the Amy in playing board games of cost $5 and $10 .
Step-by-step explanation:
As given
Amy and Mary are playing a board game that uses game money if $5 and $10.
At the end of the game, Amy has n bills worth $5 each and d bills worth $10 each .
Total amount of n bills = 5n
Total amount of d bills = 10d
Thus
Total money spend by the Amy in playing board games = Total amount of n bills + Total amount of d bills
= 5n + 10d
Therefore 5n + 10d represented the money spend by the Amy in playing board games of cost $5 and $10 .
Answer: Answer is B
Explanation: Just divide the number of miles by the minutes. 1.2/5 = .24
1.92/8 = .24 and more stuff like that.
