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Masja [62]
3 years ago
7

The point (5, 7) is reflected over the x-axis. What are the coordinates of its image?

Mathematics
2 answers:
timama [110]3 years ago
7 0
If it is reflected over the x-axis that would have to be (5,-7). :P
s344n2d4d5 [400]3 years ago
7 0
The correct answer is (5,-7) Hope that helps!
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A car dealer offers a discount of 15% off the normal price of a car for cash.
motikmotik

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How to determine if the function has x-axis sym, y-axis sym, and origin sym<br><br> y^2 -xy =2
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To check for symmetry on the x axis, replace y with –y

-y^2 –x(-y) =2

<span> Apply the product rule, since the equation is not identical tot eh original equation it is not symmetric about the x axis</span>

<span> Now do the same for y axis by replacing x with –x</span>

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8 0
3 years ago
Annuity A pays 1 at the beginning of each year for three years. Annuity B pays 1 at the end of each year for four years. The Mac
kiruha [24]

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Calculate the Macaulay duration of Annuity B at the time of purchase is 1.369.

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First, we use 0.93 to calculate the v which equals 1/(1+i).

\frac{0+1*v+2v^{2} }{1+v+v^{2} } = 0.93

After rearranging the equation, we get 1.07v^{2} + 0.07v - 0.93=0

So, v=0.9

Mac D: \frac{0+1*v+2*v^{2}+ 3*v^{2} }{1+v+v^{2}+ v^{3} }

After substituting the value of v, we get Mac D = 1.369.

7 0
3 years ago
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