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Ann [662]
3 years ago
13

What is the value of i^n if the remember of n/4 is 2

Mathematics
1 answer:
mestny [16]3 years ago
3 0

Answer: 1

Step-by-step explanation:

If n/4 = 2, then n = 8

i^8 = i*i*i*i*i*i*i*i\\i*i=-1\\i^8=(-1)(-1)(-1)(-1) = 1*1 = 1

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13. Find the equations of the straight lines which passes
ipn [44]

9514 1404 393

Answer:

  • y = 1/2x +2
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Step-by-step explanation:

The slope of a line is the tangent of the angle it makes with the x-axis. The given line has a slope of -1/3, so the lines we want will have slopes of ...

  m1 = tan(arctan(-1/3) +45°) = 0.5 . . . . . using a calculator

  m2 = tan(arctan(-1/3) -45°) = -2

Of course, these two lines are perpendicular to each other, so their slopes will have a product of -1: (0.5)(-2) = -1.

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We can use the point-slope form of the equation for a line to write the desired equations:

  y = m(x -h) +k . . . . . line with slope m through point (h, k)

<u>Line 1</u>:

  y = 1/2(x -2) +3

  y = 1/2x +2

<u>Line 2</u>:

  y = -2(x -2) +3

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3 0
3 years ago
Solution of the equation
Bond [772]

Answer:

B

Step-by-step explanation:

The sides are not equal.  You substitute the coordinates into the equation which gives you -11=-4 x 3

which solves to -11 = -12

therefore the sides are not equal

Use Symbolab for math problems, it helps alot especially on tests.

7 0
3 years ago
ASAP WILL GIVE BRAINLIEST
professor190 [17]

Answer:

(1,3)

Step-by-step explanation:

It is just where the points fall on the graph

5 0
2 years ago
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Is (2,2) a solution to this system of equations? x + 2y = 6 3x + 4y = 14
babymother [125]

Answer:

No

Step-by-step explanation:

(2,2) isn't but  (6 1/2, -2) is because that is where they intercept

5 0
3 years ago
A grocery store sells snacks by weight 6 ounce bag of mixed nuts cost $3.60 predict the cost of two ounce bag
VARVARA [1.3K]

Answer:

1.20

Step-by-step explanation:

you divide the orginal cost by 3

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3 years ago
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