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Veseljchak [2.6K]
3 years ago
6

Please help me i will really appreciate it thank you

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
3 0

Answer:

BD= 24

3/5 of 40= 40÷5×3

I'm not too sure about the last question...sorry

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Please explain your answer and I'll mark the Brainliest! Which complex number is the graph showing?
zheka24 [161]

Answer:

A 2√2(cos 7π/4 + i sin 7π/4)

Step-by-step explanation:

A. 2√2(cos 7π/4 + i sin 7π/4)

2 sqrt(2) ( sqrt(2)/2 - sqrt(2)/2 i)

Distribute

  2-2i

This is in the fourth quadrant  

B. 2√2(cos 150° + i sin 150°)

2 sqrt(2) (-sqrt(3)/2 +1/2i)

-sqrt(6) +sqrt(2) i

This is in the third quadrant (NO)

C. 2(cos 7π/4 + i sin 7π/4)

2( ( sqrt(2)/2 - sqrt(2)/2 i))

sqrt(2) - sqrt(2) i

This is the fourth quadrant

D. 2(cos 90° + i sin 90°)

2(0+i)

2i

This is on the positive y axis  NO

Now we need to decide between the two in the fourth quadrant.

The point has an x coordinate of 2 and a y coordinate of -2

This aligns with point A

8 0
3 years ago
The Russo-Japanese War was a conflict between Russia and Japan that started in the year 1904. Let x represent any year. Write an
sladkih [1.3K]
The years when the Russo-Japanese war had not yet happened is the year of 1903 and before

Let x represents years, the inequality system is x < 1904
6 0
3 years ago
There are many cylinders with a height of 9 inches. Let r represent the radius in
mylen [45]

Answer:

Step-by-step explanation:

V, r, h are the volume, radius, and height, respectively.

V = πr²h = 9πr²

The only error in your previous answers was that you forgot the π.

if r = 1, V = 9π1² = 9π ≅ 28 in³

if r = 2, V = 9π2² = 36π ≅ 113 in³

if r = 3, V = 9π3² = 81π ≅ 254 in³

8 0
3 years ago
2115-0830 in millitary time please and thank you so much if i get it right
neonofarm [45]

Answer:

2115 = 9:15 PM

0830 = 8:30 AM

Step-by-step explanation:

12 - hour conversion.

7 0
3 years ago
3/4 * 8 WITH EXPLANATION PLEASE<br> I WILL MARK YOU BRAINLIEST
Svet_ta [14]

Answer:

6

Step-by-step explanation:

3/4 * 8 is really easy but.....

you multiply the 3/4 * 8/1 (numerators and denominators) 3*8/4*1 = 24/4 = 6.

5 0
3 years ago
Read 2 more answers
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