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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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Can someone help me please.
Ket [755]

Answer:

28. the second and third one

29. 687.50 dollars

Step-by-step explanation:

2.49(2) + 1.79(2) + 0.89(4) = 12.12 no

2.49(3) + 1.79(2) = 11.05 yes

2.49(2) + 1.79(3) + 0.89 = 11.24 yes

2.49(4) + 1.79 + 0.89 = 12.64 no


area = length times width

a = 6.25 times 5

a = 31.25 square feet

31.25(22) = 687.50

3 0
3 years ago
The nutrition facts label on a container of dry roasted cashews indicates there are 161 calories in 28 grams. You eat 9 cashews
kati45 [8]
Divide calories by grams so 161 / 28= 5.75 now you know 1 gram has 5.75 calories so you multiply 5.75 * 12 to get 69. so 12 grams of <span>cashews = 69 calories </span><span />
7 0
3 years ago
a sack of potatoes weighs 14 pounds 9 ounces. After Wendy makes potato salad for a picnic, the sack weighs 9 pounds 14 ounces. w
Mamont248 [21]
You have to convert the pound to ounces and ounces to pounds


5 0
3 years ago
The section has a height of 7.5 cm. If the area of the section of glass is 17.25 cm2 , how long is the base of the section?
Olenka [21]
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4 0
3 years ago
PLEASE HELP ITS URGENT I HAVE 3 MINS AND IM FAILING I REALLY NEED A A ASAP PLEASE HELP
Igoryamba

Answer:

I am pretty sure it is B I am not sure but this is what I think

Step-by-step explanation:

5 0
3 years ago
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