3 years ago

Answer the question in the picture.

Mathematics

1 answer:

nlexa [21]3 years ago

8 0

Answer:

The answer is C

Step-by-step explanation:

Reflecting across the y-axis is like folding across the y-axis.

2,-2, turns into -2,-2

Hope this helped!

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Carpeting costs $20 per square yard. You carpet a room that has a width of 15 feet for $800. What is the length of the room in f

mixer [17]

800/$20 per square yard= 40 sq yards
15ft=5 yards
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length= 24 feet or 8 yards

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3 years ago

One angle of a right triangle measures 70 degrees. What is the other acute angle?

Sunny_sXe [5.5K]

Answer:

20 degrees

Step-by-step explanation:

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3 years ago

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lawyer [7]

$(\stackrel{x_1}{2}~,~\stackrel{y_1}{-15})\qquad (\stackrel{x_2}{14}~,~\stackrel{y_2}{r}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{r}-\stackrel{y1}{(-15)}}}{\underset{run} {\underset{x_2}{14}-\underset{x_1}{2}}}~~ = ~~\stackrel{\stackrel{m}{\downarrow }}{\cfrac{3}{4}}\implies \cfrac{r+15}{12}~~ = ~~\cfrac{3}{4}\implies r+15 = \cfrac{12\cdot 3}{4} \\\\\\ r+15=9\implies \boxed{r=-6}$