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ehidna [41]
2 years ago
10

A pair of shoes cost $220. You have a 20% coupon and the tax is 8.25%. What is the total cost of the shoes?

Mathematics
1 answer:
Tom [10]2 years ago
5 0

Answer: 190.52

Step-by-step explanation:

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Part of the graph of the function f(x) = (x - 1)(x + 7) is
algol [13]

Answer:

True: B, C and D

Step-by-step explanation:

The graph of the function is shown in the attached diagram.

The vertex of the parabola (parabola is the graph of the function f(x)) is at (-3,-16), because

x_v=\dfrac{1+(-7)}{2}=-3\\ \\y_v=f(-3)=(-3-1)(-3+7)=-4\cdot 4=-16

So, option A is false and option B is true.

As you can see from the graph, the function is increasing for all x>-3, thus option C is true.

The graph is positive for x<-7 and x>1 and negative for -7<x<1, so option D is true and option E is false.

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Find the number of triangles with c =7, b=11, and B=21 degrees
muminat
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1

<h3>Step-by-step explanation:</h3>

The given angle is opposite the longest given side, so there will be exactly one solution.

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Erin finds 5% sales tax for a shirt that costs $21. She calculates the tax as
kkurt [141]

Answer:  

Step-by-step explanation:

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d.  Video Game (1.04 x 39.95)

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