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astra-53 [7]
3 years ago
6

70 ponts!!! Please help me with this geometry question! I don't need an exact answer, I just need to know how I would figure out

what the new vertices are without looking at a graph!
Triangle ABC has vertices ABC.
The triangle is rotated 180 degrees about the origin.
What are the new coordinates of the vertices?
How could you determine the coordinates of the vertices of the image without using a graph?
Mathematics
1 answer:
ExtremeBDS [4]3 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

Under a rotation about the origin of 180°

a point (x, y ) → (- x, - y )

For example the point (3, 2 )

(3, 2 ) → (- 3, - 2 )

The point (- 1, - 4 )

(- 1, - 4 ) → (1, 4 )

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Multiply. write the product as a mixed number 6×2/5
morpeh [17]
6x2/5= 2.4 2 2/5 there is the decimal and mixed number. Your welcome
3 0
3 years ago
Each year a store decreased the price of certain model of TV by $35.If the price in 2001 was $1,950,what was the price in 2009?
Vanyuwa [196]
The answer is 1,670 because you have to multiply 35*8 which equals 280 and subtract it from 1950, and you get 1,670.
7 0
4 years ago
Convert 359in^2 to square feet. round to 1 decimal place.
klemol [59]

Based on dimensional analysis and unit conversion theory we conclude that an area of 359 square inches is equivalent to an area of 2.5 square feet.

<h3>How to apply dimensional analysis in unit conversion</h3>

In this question we need to convert a magnitude in a given unit to an <em>equivalent</em> magnitude with another unit. According to dimensional analysis, <em>unit</em> conversions are represented by the following expression:

y = A · x     (1)

Where:

  • x - Original magnitude, in square inches.
  • y - Resulting magnitude, in square feet.
  • A - Conversion factor, in square feet per square inch.

Dimensionally speaking, area is equal to the product of length and length:

[Area] = [Length] × [Length]

And a feet is equivalent to 12 inches. Now we proceed to convert the magnitude to square feet:

x = 359 in² × (1 ft/12 in) × (1 ft/12 in)

x = 359 in² × (1 ft²/144 in²)

x = 2.5 ft²

Based on dimensional analysis and unit conversion theory we conclude that an area of 359 square inches is equivalent to an area of 2.5 square feet.

To learn more on unit conversions: brainly.com/question/11795061

#SPJ1

5 0
2 years ago
A migrating bird flies 312 miles in 13 hours. How many miles does it fly in 5 ​hours?
irinina [24]
The answer is 120 miles , because it is a proportion 
4 0
3 years ago
What is the value of n? 133, 142, n
Umnica [9.8K]
I assume that this is a sequence and you need to find the next number in the sequence.

The first two numbers are give as 133 and 142, we can get the difference between them by subtraction as follows:
142 - 133 = 9
This means that adding 9 will generate the next term as follows:
133
133+9 = 142
142 + 9 = 151
This means that : n=151
3 0
3 years ago
Read 2 more answers
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