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bija089 [108]
3 years ago
13

√45 is the distance between which of the following complex numbers?

Mathematics
1 answer:
Schach [20]3 years ago
3 0

Step-by-step explanation:

we don't see the complex numbers.

so, we cannot check their distances.

a suspicion, though.

sqrt(45) a distance between 2 complex numbers is

sqrt(a² + b²).

so,

a² + b² = 45

a nice combination of whole square numbers would be 6 and 3.

6² + 3² = 36 + 9 = 45

if that is the case, then that would mean one of the following committed numbers

6 + 3i

3 + 6i

-6 + 3i

6 - 3i

-6 - 3i

-3 + 6i

3 - 6i

-3 - 6i

one of these numbers must be the result of the subtraction of the 2 provided complex numbers.

remember

(a + bi) - (c + di) = a-c + (b-d)i

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4 0
3 years ago
What is this? Please answer if u know what you are doing thank you
fgiga [73]

Answer:

y= 8

Step-by-step explanation:

y= k/x

-8= k/4

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y= k/x

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hope it helps!

6 0
2 years ago
Read 2 more answers
A scale drawing of a garden uses a scale that is 1 inch = 4 feet. If the garden is 12 feet in length how long will it be on the
lesantik [10]

Answer:

3 inches

Step-by-step explanation:

We can use proportions to solve.  Put the map on top and the real life size on bottom.

1 inch             x inches

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4 ft                  12 ft

Using cross products

1 * 12 = 4 * x

Divide each side by 4

12/4 = 4x/4

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3 0
2 years ago
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a circle has a radius of 9 inches. In inches, what is the length of the arc intercepted by central angle of 3.25 radians
frutty [35]

Answer:

\boxed {\boxed {\sf 29.25 \ inches}}

Step-by-step explanation:

Since we are given the central angle in radians, we should use the following formula for the arc length.

s= \theta r

Where <em>s</em> is the arc length, θ is the angle in radians, and <em>r</em> is the radius.

We know this circle has a radius of 9 inches and the central angle is 3.25 radians.

  • θ= 3.25
  • r= 9 in

Substitute the values into the formula

s= (3.25)( 9 \ in)

Multiply.

s= 29.25 \ in

The arc length is <u>29.25 inches. </u>

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(x-1/3) x (x+2/5) bang 0
meriva

Answer:

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