Answer:
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Let the cost of the dryer = x
let the cost of the washer = y
x + y = 750
y = 2x
Substitute:
x + 2x = 750
3x = 750
x = 250
250 + y = 750
y = 500
Therefore, the cost of the washer is $500 and the cost of the dryer is $250! :)
I hope this helps you! :D
Attached is a screenshot of spreadsheet used to do this problem.
You will see the excel functions used for each column. The average score is highlighted in blue.
Answer:The second graph
Step-by-step explanation:Basically since you have y=-6 you can show process of elimination by showing which linear lines cross the -6 crosspoint
Answer:
b/7=-5
b=-5×7
b=-35
Step-by-step explanation:
2.c/8-(-9)=18
c/8+9=18
c/8=18-9
c/8=9
c=9×8
c=72