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3 years ago

Consider the reduction of the complex figure with a scale factor of 1

Mathematics

2 answers:

8_murik_8 [283]3 years ago

6 0

25 cause when i put in the answer it was right

snow_tiger [21]3 years ago

3 0

Answer:

Step-by-step explanation:

I dont know how i got it but i tried it and got 100 and my answer was 25

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Suppose that the probability of a drought in any independent year is 20%. Out of those years in which a drought occurs, the prob

astraxan [27]

Answer:

the correct option is d. 0.02

Step-by-step explanation:

We have the following events:

x: A drought occurd

y: Water rationing.

Therefore, according to the plaster we have:

P [x] = 0.20

P [y | x] = 0.10

Now P [it is a drought and water rationing happens] =

P [x n y] = P [y | x] * P [x] = 0.10 * 0.20 = 0.02

Which means that the correct option is d. 0.02

3 0

3 years ago

Trig: Which complex number's graph is shown?

Andrei [34K]

ANSWER

$2 \sqrt{2} ( \cos( \frac{7\pi}{4} + i \sin( \frac{7\pi}{4} ) )$

EXPLANATION

The complex number shown has coordinates (2,-2)

$z = 2 - 2i$

The modulus is

$|z| = \sqrt{ {2}^{2} + {( - 2)}^{2} }$

$|z| = \sqrt{ 8} = 2 \sqrt{2}$

The argument is

$\theta= \tan^{ - 1} ( \frac{ - 2}{2} )$

$\theta= \tan^{ - 1} ( -1) = \frac{7\pi}{4}$

The polar form is

$2 \sqrt{2} ( \cos( \frac{7\pi}{4} + i \sin( \frac{7\pi}{4} ) )$

The first option is correct.

3 0

3 years ago

If (1)=3 and f(n)=f(n-1)-1 then find the value of f(6)

katrin [286]

Answer:

f(1) = 3

f(n) = f(n-1) - 1

Otherwise,

f(n) = f(1) - (n-1)

=> f(6) = 3 - 5 = -2

Hope this helps!

8 0

3 years ago

Find the rate of change of the linear function shown in the graph. Then find the initial value.

pantera1 [17]

Answer

Step-by-step explanation

6 0

3 years ago

What is the radius of a circle that has a circumference of 81 π square inches?

ira [324]

Answer:

r≈12.89

Step-by-step explanation:

Using the formula

C=2πr

Solving for r

r=C

2π=81

2·π≈12.89155

6 0

3 years ago

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