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sukhopar [10]
3 years ago
13

If triangle ABC is reflected across the x-axis, what are the coordinates of A?

Mathematics
1 answer:
Dovator [93]3 years ago
8 0
It would be (-5,4) because is all you need to found it the number of spaces there is and just found the same as the other side.
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3 more than a number then divided the result by 8
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We are given statement : 3 more than a number then divided the result by 8.

We need to write an algebraic expression for it.

Let us assume unknown number be n.

3 more than n = (n+3).

Now, we need to divide that result (n+3) by 8.

So, we would get (n+3) divided by 8 = \frac{n+3}{8}.

<h3>Therefore, final expression is \frac{n+3}{8}.</h3>
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What percent is five out of 12
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What is the area of the composite figure? ___ units^2
elena-14-01-66 [18.8K]

Answer:

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Step-by-step explanation:

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The area of the trapezoid is ...

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Today there are a total of six toll-free area codes: 800, 844, 855, 866, 877, and 888. Assume that all seven digits for the rest
Ludmilka [50]

Answer:

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Step-by-step explanation:

Total number of toll-free area codes = 6

A complete number will be of the form:

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Finding the possible toll free numbers for one area code and multiplying that by 6 will give use the total number of toll free numbers for all 6 area codes.

Considering: 800-abc-defg

The first number "a" can take any digit from 0 to 9. So there are 10 possibilities for this place. Similarly, the second number can take any digit from 0 to 9, so there are 10 possibilities for this place as well and same goes for all the 7 numbers.

Since, there are 10 possibilities for each of the 7 places, according to the fundamental principle of counting, the total possible toll free numbers for one area code would be:

Possible toll free numbers for 1 area code = 10 x 10 x 10 x 10 x 10 x 10 x 10 = 10^{7}

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