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zhuklara [117]
3 years ago
8

I need helpASAP!! Which point would map onto itself after a reflection across the line y = –x?

Mathematics
1 answer:
Maru [420]3 years ago
7 0
(0,-4) would map into itself because it doesn’t move.
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Find the length of the side labeled x. Round intermediate values to the nearest tenth. Use the rounded values to calculate the n
strojnjashka [21]

Answer:

42.1

Explanation step-by-step:

Working out the lenght of the blue-dashed line:

SOH

47 is the Hypotenuse.

the blue line is the adjacent.

adjacent= Cos(30) x47

adjacent= 40.7

Working out x :

40.7 is the opposite this time.

x is the adjacent.

x = 40.7/ Tan(44)

x = 42.1

5 0
3 years ago
Which system of inequalities has the solution set shown in the graph?
Natalka [10]

Answer:

A. 25 < (x – 1)² + y² and 16 > x² + (y + 4)²

Step-by-step explanation:

the solutions are in the outside of the bigger circle, but inside of the smaller circle

4 0
2 years ago
Help me on this question
NeX [460]

Answer:

x = 18

Step-by-step explanation:

Vertically Opposite Angles are equal..

so,

x + 54 = 4x \\ 54 = 4x - x \\ 54 = 3x \\  \frac{54}{3} =    \frac{3x}{3}  \\ 18  = x

4 0
3 years ago
Read 2 more answers
Express your answer in scientific notation. 4.9 x 10^4 - 8200
Fiesta28 [93]

Answer:

4.0800*10^4

Step-by-step explanation:

4.9*10^4=49000

49000-8200=40800

since we can only have base numbers 1-9 in scientific notation, we need to move the decimal left 4 places:

4.0800*10^4

Hope this helps!

4 0
3 years ago
PLEASE HELP PLEASE i don’t know how to do this
DochEvi [55]

Answer:

716.31454 and 228.01π

Step-by-step explanation:

Area = πr^2

π · 15.1^2 ≈ 716.31454

Area in terms of pi = 228.01π

Thank you for posting this question! If you feel my answer is correct, please mark Brainliest. If you need help with anything else, let me know! :)

8 0
3 years ago
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