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soldier1979 [14.2K]
2 years ago
12

Which transformation can verify congruence by sliding one triangle over another

Mathematics
2 answers:
lions [1.4K]2 years ago
6 0
The answer would be A. Translation. Hope this helps! :)
Paha777 [63]2 years ago
3 0
Translation is the sliding of one triangle over another
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4/y+2=10/5y solve for y
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Answer: y=−1 or y=2

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
Write the complex number in polar form:
emmasim [6.3K]

9514 1404 393

Answer:

  2√30 ∠-120°

Step-by-step explanation:

The modulus is ...

  √((-√30)² +(-3√10)²) = √(30 +90) = √120 = 2√30

The argument is ...

  arctan(-3√10/-√30) = arctan(√3) = -120° . . . . a 3rd-quadrant angle

The polar form of the number can be written as ...

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<em>Additional comments</em>

Any of a number of other formats can be used, including ...

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  (2√30; -120°)

  (2√30; -2π/3)

  2√30·e^(i4π/3)

Of course, the angle -120° (-2π/3 radians) is the same as 240° (4π/3 radians).

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At least one app I use differentiates between (x, y) and (r; θ) by the use of a semicolon to separate the modulus and argument of polar form coordinates. I find that useful, as a pair of numbers (10.95, 4.19) by itself does not convey the fact that it represents polar coordinates. As you may have guessed, my personal preference is for the notation 10.95∠4.19. (The lack of a ° symbol indicates the angle is in radians.)

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3 years ago
What is the solution x+2y=7 and x-2y=-1
erica [24]

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2 years ago
MATH EASY PLEASE PLEASE HELP ME
BaLLatris [955]

Answer:

D

Step-by-step explanation:

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3 years ago
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