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aivan3 [116]
3 years ago
12

A store marks up a laptop 150% from its original price of $299. There is a sale for 25% off all items in the store. What is the

sale price for
the computer?
A $448.50
B. $336.38
C. $225.00
D. $112.13
Show work
Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
8 0

Answer:

B.336.38

Step-by-step explanation:

I have experience this question before

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Step-by-step explanation:

g(x) = -2x^2 + 10x + 2 is a quadratic function with coefficients {-2, 10, 2}.

The formula for the axis of symmetry (which passes through the vertex) is

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x = -10/ [2(-2)] = -10/(-4) = 5/2

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g(5/2) = -25/2 + 27, or

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The vertex is thus (5/2, 29/2), and this represents a maximum, because the coefficient of the x^2 term is negative (the curve opens downward).

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