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jasenka [17]
2 years ago
9

What is KN + IK? !it’s not 1!

Mathematics
1 answer:
sergiy2304 [10]2 years ago
6 0
The answer is 6, K-N is 4, and I-K is 2, and as we all know, 4+2=6
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Convert -√3-i to polar form.
Jlenok [28]

Answer:

-sqrt(3) -i = 2 cis (7pi/6)

Step-by-step explanation:

-sqrt(3) -i

We can find the radius

r = sqrt( (-sqrt(3)) ^2 + (-1) ^2)

  = sqrt( 3 + 1)

  = sqrt(4)

  = 2

theta = arctan (y/x)

          arctan (-1/-sqrt(3))

         arctan (1/sqrt(3))

theta = pi/6

But this is in the first quadrant, and we need it in the third quadrant

Add pi to move it to the third quadrant

theta = pi/6 + 6pi/6

         =7pi/6


-sqrt(3) -i = 2 cis (7pi/6)

6 0
3 years ago
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How many different ways can the letters of "Mississippi" be arranged.
Scrat [10]

Answer: .........34,650

Step-by-step explanation:

7 0
3 years ago
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GEOMETRY! The diagram shows 5 ft student standing near a tree. The shadow of the student and the shadow of the tree end at point
yuradex [85]

Answer: 24.99 ft

Step-by-step explanation:

1. You can find the angle A as following:

A=arctan(\frac{5}{8})\\A=32\°

2. Now, you can calculate the height of the tree as following:

tan(A)=\frac{opposite}{adjacent}

Where:

A=32°

opposite=x

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3. When you substitute values and solve for x, you obtain that the height of the tree in feet is:

tan(A)=\frac{x}{40}\\x=40*tan(32\°)\\x=24.99

8 0
3 years ago
PLEASE HELP IF YOU SEE THIS. I really need help.How do you write an equation of a line given 2 points? Write the equation for th
Pani-rosa [81]

Answer:

The answer of your question is:   y = - x + 11

Step-by-step explanation:

Data

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B (9,2)

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(y - y1) = m(x - x1)

Process

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   m = -1     slope

2.- Substite point A and slope in the equation

  (y - 2) = - 1(x - 9)

   y - 2 = -x + 9

   y = -x + 9 + 2

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4 0
3 years ago
Cat face 2x -7,3=x+1,2
kifflom [539]
My answer is 
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3 0
3 years ago
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