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Rzqust [24]
3 years ago
9

An online music club sells compact discs for $13.95 each plus $1.95 shopping and handling per order. If Maria’s total bill was $

85.65, how many compact discs did Maria purchase?
Mathematics
1 answer:
Korvikt [17]3 years ago
3 0

85.65 = 13.95x + 1.95
83.7 = 13.95x
6 = x
6 CDs
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Kay [80]

Answer:

a) 3x⁴-4x³-8x²-35x-10

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2 years ago
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loris [4]
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5 0
4 years ago
Read 2 more answers
Find the length of the segment with endpoints of (3,2) and (-3,-6).
MakcuM [25]
The formula of the length of the segment AB:
A(x_A;\ y_A);\ B(x_B;\ y_B)\\\\|AB|=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}
We have:
A(3;\ 2)\to x_A=3;\ y_A=2\\\\B(-3;\ -6)\to x_B=-3;\ y_B=-6
Substitute:
|AB|=\sqrt{(-3-3)^2+(-6-2)^2}=\sqrt{(-6)^2+(-8)^2}\\\\=\sqrt{36+64}=\sqrt{100}=10
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