* eq 1 by 4 and eq 2 by 3 and add
24x-12y=60
21x+12y=30
45x=90
x=2
y=-1
Answer:
60+50.45x=57.95x
Cost of Fast Internet:
$60 for installation and $50.45 per month for months =
Cost of Quick Internet:
Free installation and $57.95 per month for months =
We want to know in how many months BOTH COSTS WOULD BE SAME. So we EQUATE the expressions for both. We have:
This equation can be solved for x to find the number of months for which the internet service would cost the same.
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Answer:
219.6
Step-by-step explanation:
small basket:
0.55×288
=158.4
big basket:
0.85x72
=61.2
add up:
219.6
Answer:
AC = 6
Step-by-step explanation:
given ∠A = ∠C then triangle is isosceles with BC = AB, hence
3x - 8 = x + 4 ( subtract x from both sides )
2x - 8 = 4 ( add 8 to both sides )
2x = 12 ( divide both sides by 2 )
x = 6
⇒ AC = x = 6
Answer:
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Step-by-step explanation:
