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krek1111 [17]
3 years ago
5

PLEASE HELP I AM STRUGGLING!

Mathematics
2 answers:
GarryVolchara [31]3 years ago
5 0

Answer:

SSS works because these 2 triangles share a side, even if it isn't marked. The other 2 sides are marked so therefore it has 3 equal sides to the other triangle making it SSS

allsm [11]3 years ago
4 0

Answer:

SSS

Step-by-step explanation:

IM CORRECT

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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 ...

  (2√30)∠-120°

_____

<em>Additional comments</em>

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

  (2√30)cis(-120°)

  (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).

__

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.)

6 0
3 years ago
Could someone answer all 5 questions please
xeze [42]

Answer:

3=111

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What does "y-&gt; - «" mean?
frez [133]

Answer:

y approaches negative infinty

7 0
2 years ago
What line is parallel to 2x+5y=6 that goes through (5,3)
Anna11 [10]

Answer:

4y = x - 17

Step-by-step explanation:

First off, in the equation given : 2x + 5y = 6 , make y the subject of the formula which will give y = \frac{-2x}{5} + \frac{6}{5}  which make the gradient, m, the coefficient of x = \frac{-2}{5}  . Since the line we're looking for is parallel to the one we were given, their respective gradients would be the same. (If they were perpendicular, the gradient of the new line would be a negative inverse of the given line)

Then you proceed to use the one-point formula : y - y₀ = m(x - x₀), where   y₀ = 3 and x₀ = 5 from the point it goes through (5, 3)

y - 3 = \frac{1}{4}(x - 5); y - 3 = \frac{x}{4} - \frac{5}{4};  y = \frac{x}{4} - \frac{5}{4} +3

y = \frac{x}{4} - \frac{17}{4};  y = \frac{x-17}{4}  ;   4y = x - 17

7 0
2 years ago
ONe morning, Mack, Jack and Hack left home with each one wearing a hat and a scarf belonging to one of the others. Jack was wear
Dmitrij [34]

Answer:

mack and hack was wearing jacks hat

Step-by-step explanation:

8 0
2 years ago
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