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alina1380 [7]
3 years ago
9

What is (-i)^5? A. 1 B. i C. -1 D. -i

Mathematics
2 answers:
zmey [24]3 years ago
8 0

Answer: D. -i

Step-by-step explanation:

Because....

  1. Apply exponent rule : ( -a )^n = -a^n, n is odd
  2. ( -i ) ^5 = i^5
  3. The final answer is i^5 or -i

* Hopefully this helps:) Mark me the brainliest:)!!

jenyasd209 [6]3 years ago
3 0

Answer:

I'm pretty sure that it's -i

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Sixteen is the same as one and two-tenths times a number added to negative 8
Archy [21]

Answer:

20

Step-by-step explanation:

16=1 2/10R + -8

16+8= 12/10R

24=12/10R

R=20

3 0
3 years ago
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Complete the steps to solve the equation. 9 – 4x = 2x 1. Addition property of equality: 9 = 6x 2. Division property of equality:
exis [7]

x = 3/2

Step-by-step explanation:

Given equation is:

9 - 4x = 2x

As we have to solve for x, x will be isolated on one side of the equation

So,

<u>1. Addition property of equality </u>

4x will be added on both sides

9-4x+4x=2x+4x\\9 = 6x

<u>2. Division property of Equality</u>

Dividing both sides by 6

\frac{6x}{6}=\frac{9}{6}\\x = \frac{3}{2}

Hence,

x = 3/2

Keywords: Linear equation, Variables

Learn more about linear equations at:

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3 years ago
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WILL GIVE BRAINLIEST!!!
Natalka [10]
Volume of a cylinder= (height) x area of the base (circle)

We know the height = 160 cm (given), let's find the radius of the base.

The circumference of the base = 87.92 = 2πR==> R=87.92/(2π) =13.993 cm

Area of circle = πR²=π(13.993)² = 615.128 cm²

Hence the volume of the cylinder = 615.128 x 160 = 92,420.48 cm³
4 0
3 years ago
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If h(x)= 6x - 17, find h(8). *
Lena [83]

The value of h(8) in h(x)= 6x - 17 is 31

<h3></h3>

What are functions:

Functions relate input and output. Therefore, a function takes elements from a set (the domain) and relates them to elements in a set (range).

h(x)= 6x - 17

Let's find h(8)

h(8) = 6(8) - 17

h(8) = 48 - 17

h(8) = 31

learn more on function here:brainly.com/question/15615479?referrer=searchResults

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2 years ago
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A hall has 22 rows of chairs there are 18 chairs in each row how many extra rows of chairs are needed to seat 468
Alex

Answer:

Total chairs = 18×22= 396

so no. of extra chairs need = 468-396 = 72

Now( 72/18) rows = 4 rows

Therefore 4 more rows are needed here

Hope it helps you

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3 years ago
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