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vovikov84 [41]
3 years ago
5

What is the value of i^3

Mathematics
2 answers:
PIT_PIT [208]3 years ago
8 0

Answer:

The answer is the last one, -i.

Hope this helped!

vodomira [7]3 years ago
7 0

Answer:

- i

Step-by-step explanation:

i = \sqrt{-1} ⇒ i² = (\sqrt{-1})² = - 1, thus

i³ = i² × i = - 1 × i = - i

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Line segment AB is dilated to create line segment A'B' using point Q as the center of dilation.
Mekhanik [1.2K]

The scale factor in the question given above is: 2 See the explanation below.

<h3>What is a scale factor?</h3>

In math, the scale factor is the extent or ratio by which a geometrical shape is enlarged or reduced.

<h3>What is the explanation for the above answer?</h3>

We know that:

  • The distance from point Q to point A is 1.25
  • The distance from point A to point A' is 1.25

Given the above, the distance from point Q to point A' is 2.50. This is double the distance from point Q to point A.

The scale factor is 2.

1.25 + 1.25 = 2.50

2.50 / 1.25 = 2

Learn more about scale factor at;
brainly.com/question/25722260
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2 years ago
One of the altitudes of the parallelogram shown is StartRoot 22.5 EndRoot units. What is the length of the other altitude?
aksik [14]

Answer:

the length of the other altitude of the given parallelogram will be 6 units and option B is the correct choice.

6 0
2 years ago
Read 2 more answers
Please solve for me!!
kifflom [539]

Answer:

8:30 PM

Step-by-step explanation:

Let's say that x is minutes since 6:20 PM, and y is position in miles.

Since Jonathan drives at a constant rate, the position vs time graph is linear.  Two points on the line are (0, 75) and (20, 85).  The slope of the line is:

m = Δy / Δx

m = (85 − 75) / (20 − 0)

m = ½

So the equation of the line is:

y = ½ x + 75

We want to find x when y is 140.

140 = ½ x + 75

65 = ½ x

x = 130

So 130 minutes after 6:20 PM is when Jonathan's position will be 140 miles.  130 minutes is 2 hours and 10 minutes.  So the time will be 8:30 PM.

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klasskru [66]
The height is 2 inches
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