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Sunny_sXe [5.5K]

3 years ago

7

The point (x, y) is the top of a polygon. Which point would it map to if the polygon were reflected over the y-axis and then tra

nslated 6 units down?
a.) (-x, -y + 6)

b.) (-x, y - 6)

c.) (x, -y - 6)

d.) (-x + 6, -y)

1 answer:

Pachacha [2.7K]3 years ago

7 0

It’s either b or C because your going down.... but I think it’s B

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You are graphing y < 2x + 1. What type of line do you use and where do you shade?

bazaltina [42]

Since there isn't a line under the < sign, this means that we used a dotted or dashed line. The dotted or dashed line indicates that we do NOT include the boundary as part of the solution set.

Since y is isolated and we have a less than sign, this means we shade below the dashed/dotted boundary line. Specifically, the boundary line is the graph of y = 2x+1. This boundary line goes through (0,1) and (1,3). Again, points on this boundary line are NOT part of the solution set.

So in summary we have:
A dashed or dotted boundary line
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3 years ago

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slava [35]

Answer:

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Step-by-step explanation:

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2 years ago

Selena was comparing the flying speeds of different birds in science class. Which of the three birds flies fastest? Why?

Mashcka [7]

Answer:

Option C. The robin flies fastest because its rate is 15 m/s

Step-by-step explanation:

Let

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y ----> the distance in meters

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In this problem, the slope or unit rate of the linear equation is the same that the speed

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The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

take two points from the table

(2,30) and (3,45)

substitute in the formula

$m=\frac{45-30}{3-2}$

$m=\frac{15}{1}$

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<em>Cardinal's Flight</em>

$y=10x$

$m=10\frac{m}{sec}$

<em>Blue Jay's Flight</em>

take two points from the graph

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substitute in the formula

$m=\frac{20-0}{2-0}$

$m=\frac{20}{2}$

$m=10\frac{m}{sec}$

Compare

The robin flies fastest because its rate is 15 m/s

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3 years ago

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polet [3.4K]

The circle: x = 4 y = 0.5
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2 years ago

Please solve, -8-2(7r+1)=-94

skelet666 [1.2K]

Answer:

r = 6

Step-by-step explanation:

Hello!

-8 - 2(7r + 1) = -94

Add 8 to both sides

-2(7r + 1) = -86

Divide both sides by -2

7r + 1 = 43

Subtract 1 from both sides

7r = 42

Divide both sides by 7

r = 6

Hope this Helps

4 0

3 years ago

Read 2 more answers