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larisa [96]
3 years ago
7

Can someone help me plz

Mathematics
1 answer:
STatiana [176]3 years ago
7 0
Divide each one of the cost by 100 then multiply by the tax.

For example 1
79.50 = 100%
0.7950 = 1%
0.7950 times 3 = 2.385
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bonufazy [111]

Answer:

127 ft

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3 years ago
Which of the following is true of the discriminant for the graph below
aniked [119]

Answer:

Step-by-step explanation:

The discriminant is used to determine the number and nature of the zeros of a quadratic. If the discriminant is positive and a perfect square, there are 2 rational zeros; if the discriminant is positive and not a perfect square, there are 2 rational complex zeros; if the discriminant is 0, there is 1 rational root; if the discriminant is negative, there are no real roots.

The roots/solutions/zeros of a quadratic are where the graph goes through the x axis. Those are the real zeros, even if they don't fall exactly on a number like 1 or 2 or 3; they can fall on 1.32, 4.35, etc. They are still real. If the graph doesn't go through the x-axis at all, the zeros are imaginary because the discriminant was negative and you can't take the square root of a negative number. As you can see on our graph, the parabola never goes through the x-axis. Therefore, the zeros are imaginary because the discriminant was negative. Choice C.  Get familiar with your discriminants and the nature of quadratic solutions. Your life will be much easier!

4 0
3 years ago
7 cos x+1=6 secx solve for x
jonny [76]
7cos(x) + 1 = 6sec(x)
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cos(x) = 6/7 , x = arccos(6/7) and
cos(x) = -1, x = 180
6 0
3 years ago
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horrorfan [7]

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dont listen to this kid its $30.00 on APEX

Step-by-step explanation:

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3 years ago
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this answer has to be A because the libra of the pole goes west

Step-by-step explanation:

this answer has to be A because the libra of the pole goes west

8 0
4 years ago
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