Step-by-step explanation:
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Answer:
10 months and $700
Step-by-step explanation:
1) $500 and $20 a month
Month 1: 520
Month 2:540
Month 3:560
Month 4: 580
Month 5:600
Month 6:620
Month 7: 640
Month 8:660
Month 9:680
Month 10:700
2)$300 and $40 a month
Month 1: 340
Month 2:380
Month 3:420
Month 4: 460
Month 5:500
Month 6:540
Month 7: 580
Month 8:620
Month 9:660
Month 10:700
First, you substitute each x in the first equation- 2(2y+10)-3y=17
Next, simplify - 4y+20-3y=17
y+20=17
y=-3
Next, substitute the y in for the second equation, x=2y+10
x=2(-3)+10
x=-6+10
x=4
ANswer:
x=4
y=-3
Hope this helps!
Answer:
each card's thickness ×no of cards=total thickness
3/160×X=3/4
X=3/4×160/3
X=40
40 cards r in the stack
I started at (-2, 0) but you can start at any point on the graph that goes through the corner of the square (if that makes sense) like a point on the graph. From one point to the next, you go down one and one to the right, therefore the slope is a -1
