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12345 [234]
3 years ago
15

Catherine paid $144.97 for an MP3 player. If the price paid includes a 9% sales tax, which of the following equations can be use

d to determine the price of the MP3 player before tax?
Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0
Catherine could take the original price of $144.97 and multiply it by .09 (9%). This would equal a sales tax of $13.073 which could be rounded to $13.01. Then add the original price of $144.97 to the tax of $13.01 to get a total of $157.98.
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SOLUTION:

To begin with, let's establish the problem as the following:

5 + 7

An effective method to solve this problem would be to convert it into a visual representation in order to obtain a better understanding.

As attached in the diagram above, I have demonstrated the problem visually. The five red circles / dots represent the five in the problem whilst the 7 circles / dots represent the 7 in the problem. Now we must simply count each of the circles / dots to obtain the total number which would be our final answer.

We can also simply use our fingers on our hands to solve the problem by counting 5 on our fingers and then adding 7 or vice versa to obtain the final answer.

FINAL ANSWER:

Hence, through either of these two methods, we obtain the final answer to the problem as follows:

5 + 7 = 12

Hope this helps! :)
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What is 3 times the sixth power of 10
sergey [27]
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Angl is a square. The equation of line NG is Y= 1/2 X - 6. Find the equation of line LG in slope intercept form given that the c
Irina18 [472]

Answer: y=-2x-9

Step-by-step explanation:

If ANGL is a square, then NG and LG are adjacent sides.

Adjacent sides are perpendicular.  [Each angle is 90°]

The equation of line NG is Y=\dfrac12 X-6.

By comparing it to equation in slope intercept form y=mx+c ( where , m= slope , c=y-interecpt)

slope =\dfrac12

Let slope of LG be <em>n</em>, then

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\Rightarrow n=-2

Equation of a line passes through (a,b) and have slope m is given by :-

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3 years ago
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aleksandr82 [10.1K]

Answer:

In order of what is shown on the pic:

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Step-by-step explanation:

Again, in the same order as above:

1. The first has three terms, making it a trinomial

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The 7x^2 cancels out and we are left with only 4x

Since there is one value, it is a monomial

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