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Debora [2.8K]
3 years ago
7

(50 POINTS)Describe the transformation that maps the pre-image A to the image A'.

Mathematics
1 answer:
natima [27]3 years ago
3 0
You should really learn these, since later when you go into college they will also test you about graphs and such.

To do this, focus on one point of the pre-image A. Now, look at this point, and  see how it gets there to the actual image. In this case, it is translated 10 units to the right, and then 10 units down. If it was reflected across the y or x axis, the shape would be flipped, this pre-image was simply just translated to another place.

So, the answer you're looking for is <span>B) translated 10 units to right and then 10 units down </span>
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Two similar polygons have areas of 50 and 100 sq. in. Find the ratio of the length of a pair of corresponding sides.
Ainat [17]
In the case that you presented, the ratio is

50/100 = (x1)^2 / (x2)^2
1/2 = (x1)^2 / (x2)^2

x1 : x2 = 1 : √2

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7 0
3 years ago
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For a track meet, Tara ran the 1,600 m event at constant speed in 5 minutes and 20 seconds. What was her speed?
9966 [12]

Answer:

300 m/min

Step-by-step explanation:

Using the general formula of d = rt, where d = distance, r = rate and t = time, we can solve for the missing variable (r, or speed). Given Tara's distance of 1600 m and her total time of 5 minutes and 20 seconds, first convert her time into just minutes:

5 \frac{20}{60}=\frac{1}{3}

5\frac{1}{3}=\frac{16}{3}

1600 = r(16/3)

Multiply both sides by reciprocal of 16/3:  3/16(1600) = r(16/3)(3/16)

Solve for 'r': 300 meters per minute

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3 years ago
121 is increased to 321 percent of change
valina [46]

Answer: This is the percentage increase.

Step-by-step explanation:

265.28925619834706%

7 0
4 years ago
P2 – 4p is subtracted from p2 + p – 6
34kurt

Answer:

the answer is 5p-6

Step-by-step explanation:

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A rope is 66 feet long. It is cut into two pieces such that one piece is half the length of the other. What is the length of the
Shtirlitz [24]
Assume the longer piece is x feet long,

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So the longer piece is 44 feet, shorter piece is 22 feet
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