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Nadya [2.5K]
3 years ago
12

Is 2i a real or complex root?

Mathematics
1 answer:
Maurinko [17]3 years ago
3 0

By definition, i = sqrt(-1) because it is used to solve the equation x^2+1 = 0 or x^2 = -1, which has no real number solutions.

Since i is imaginary or complex, then so is 2i

You can express it as 2i = 0+2i to be in the form a+bi with a = 0 as the real part and b = 2 as the imaginary component.

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Terrance ran 5/7 of a mile in 1/4 hour. How far would Terrance run in 1 hour ?
harkovskaia [24]

Answer:

Terrance will run 2 6/7  in 1 hour

Step-by-step explanation:

5/7 x 4= 2 6/7

8 0
3 years ago
Read 2 more answers
12) Find mZVUT if mZVUT = 10x +9,<br> m_BUT = 7x - 1, and mZVUB= 37º.
Mariulka [41]

Answer:

99°

Step-by-step explanation:

  • m∠VUT = 10x + 9
  • m∠BUT = 7x - 1
  • m∠VUB = 37°
  • m∠VUT = ?

<u>We see that</u>

  • m∠VUT = m∠BUT + m∠VUT
  • 10x + 9 = 7x - 1 + 37
  • 10x - 7x = 36 - 9
  • 3x = 27
  • x = 9

<u>Angle VUT measures:</u>

  • 10x + 9 = 10*9 + 9 = 99°
5 0
3 years ago
Pleaseeee helpppppp please please pleaseeee someone
GrogVix [38]

Answer:

10

Step-by-step explanation:

(5x - 16) = 34

x = 10

4 0
3 years ago
5. A softball has a diameter of 8.3 in. How many softballs will fit inside of a storage unit 4 that is 15 feet wide, 10 feet lon
Westkost [7]

Answer:

4329 softballs

Step-by-step explanation:

To find the number of softballs that will fit into the container, we first find the volume of the softball. Since it is a sphere, its volume V = 4πr³/3 where r = radius = d/2 where d = diameter of softball.

So, V = 4π(d/2)³/3 = πd³/6

Since d = 8.3 in,

V =  πd³/6 =  π(8.3 in)³/6 = π × 571.787 in³/6 = 299.39 in³

The volume of the box, V' = 15 × 10 × 5 ft³ = 750 ft³ = 750 × (12 in)³ = 750 × 1,728 in³ = 1,296,000

So, for n softball to fit, its volume must equal the volume of the storage unit.

The volume of n softballs is nV.

For the softballs to fit, V' = nV

n = V'/V

= 1,296,000 in³/299.39 in³

= 4328.8 softballs

≅ 4329 softballs since we cannot have a decimal number of softballs.

7 0
3 years ago
Helppp plzzz I have to submit it today. Look at the figure.
choli [55]

Answer:

angle DGE= 24 Degree

arc GF= 146degree

Step-by-step explanation:

angle DGE is inscribed in arc DE and arc DE is 48 degree , as we know inscribed angle is half of the arc subyending it , so half of 48 is 24 degree

arc GF subtended the angle GEF which is equal to 73 degree , and this angle is inscribed , if we say inscribed angle is half of the arc subtending it , this means the arc is twice of inscribed angle , so twice of 73 is 146 degree so

angle DGE =24 degree &

ARC GF=146 degree

7 0
3 years ago
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