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ExtremeBDS [4]
3 years ago
11

Reflect across the line x=-3​

Mathematics
1 answer:
SOVA2 [1]3 years ago
8 0

Answer:

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places. If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed). the line y = x is the point (y, x).

Step-by-step explanation:

this is npt the answer but will help you towards the answer

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I NEED HELP UNDERSTANDING BOTH OF THESE QUESTIONS
nikklg [1K]

Answer:

For the first image: -0.4/9

Second Image = 1.53/0.45

Step-by-step explanation:

a + b = 1.6 - 2 = -0.4 (The symbols just make it stay negative)

2 - c = 2 - (-7) = 2 + 7 = 9

--------

2a - 1/3  =  2(-3/5) - 1/3  =  -1.2 -1/3  =  -1.5333

b/15  =  -6.75/15  =  -0.45

(The two negatives make it positive)

Hope this helps

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2 years ago
What are some ways I can have a good wardrobe without breaking the bank?
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7 0
3 years ago
Use the formula P=21+2w to find the width of a rectangle when the length is 18cm and perimeter is 48 ..
KIM [24]

Answer:

w=6

Step-by-step explanation:

P=2(L)+2(w)

48= 2(18)+2w

48=36+2w

12=2w

w=6

checking;

48= 2(18)+2(6)

48= 36+12

48= 48

8 0
3 years ago
An athlete runs around a circular track. The track has a diameter of 200 feet. How many laps does she need to take to run a mile
Shtirlitz [24]
First you have to figure out the length of the track:

2 * \pi * r

r is the half of the diameter:
200ft : 2 = 100ft

2* \pi *100ft = 200\pi≈ 628,31

The athlete has to run ca. 5280ft for one mile:

5280 : 628,31≈8,4

The athlete has to run 8,4 laps
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3 years ago
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vitfil [10]

Answer:

m∠QPR = 25°.

Step-by-step explanation:

If m∠QPR = 9x + 16°, substitute in 1 for 'x':. 9(1) + 16 = 9 + 16 = 25°

7 0
1 year ago
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