4 years ago

What is i^84? a) -i b) i c) -1 d) 1

Mathematics

1 answer:

mariarad [96]4 years ago

7 0

Answer:

D) 1

Step-by-step explanation:

When you start raising i to certain powers, you begin to notice a pattern.

$i^1=i \\\\i^2=-1 \\\\i^3=-i \\\\i^4=1 \\\\i^5=i \\\\ i^6=-1 \\\\ i^7=-i \\\\i^8= 1$

This cycle repeats forever. Since 84 is a multiple of 4, i^84 must be 1. Hope this helps!

You might be interested in

Solve the following problem.<br><br><br> 3/8×3/4=

mel-nik [20]

Answer: 9/32

Step-by-step explanation: Multiply Straight across.

Brainliest please

3 0

3 years ago

What desmal is inbetween 1/2 and 3/4

Elis [28]

Answer:

1/2 = 0.5

3/4 = 0.75

Step-by-step explanation:

7 0

2 years ago

Rachna purchases a plant that is 6 inches tall. Every week the plant grows an additional 0.6 inches. Rachna draws a graph of the

aleksklad [387]

Answer:

0.6

Step-by-step explanation:

Slope is the change in y divided by change in x.

x is weeks

y is height

We know plant grows 0.6 inches every week. This means per 1 week [change in x], the plant grows 0.6 inches [change in y]

Slope = 0.6/1 = 0.6

0.6 is the slope of the function

5 0

3 years ago

Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below: Baseball Scores Sco

nlexa [21]

Answer:

4.06

Step-by-step explanation:

Given :

Scores Number of students

0 1

1 2

2 5

3 3

4 6

5 7

6 9

To Find: Mean

Solution:

Mean = $\frac{\text{Sum of all scores}}{\text{number of students}}$

Mean = $\frac{0 \times 1+1\times 2+2\times 5+3\times 3+4\times 6+5\times 7+6\times 9}{1+2+5+3+6+7+9}$

Mean = $\frac{134}{33}$

Mean = $4.06$

Hence, The Mean of baseball score is 4.06 .

4 0

3 years ago

Read 2 more answers

What is the value of x when y=10?

Margaret [11]

Answer:

x would be 1

Step-by-step explanation:

8 0

3 years ago