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3 years ago

-.25y is less than or equal to 16

Mathematics

1 answer:

jolli1 [7]3 years ago

8 0

-25 is less than 16 because it’s a negative number

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Use DeMoivre's Theorem to find the indicated power of the complex number. Write answers in rectangular form. [one half (cosine

Morgarella [4.7K]

Answer:

$(\, \cos(\frac{\pi}{16}) + i\sin(\frac{\pi}{16}) \,)^{1/2} = \cos(\frac{\pi}{32}) + i\sin(\frac{\pi}{32}) = 0.99 + i0.09$

Step-by-step explanation:

The complex number given is

$z = (\, \cos(\frac{\pi}{16}) + i\sin(\frac{\pi}{16}) \,)^{1/2}$

Now, remember that the DeMoivre's theorem states that

$( \cos(x) + i\sin(x) )^n = \cos(nx) + i\sin(nx)$

Then for this case we have that

$(\, \cos(\frac{\pi}{16}) + i\sin(\frac{\pi}{16}) \,)^{1/2} = \cos(\frac{\pi}{32}) + i\sin(\frac{\pi}{32}) = 0.99 + i0.09$

7 0

3 years ago

In a certain state, 50% of adults indicated that sausage is their favorite pizza. Suppose a simple random sample of adults in

KatRina [158]

Answer:

n = 23

x = 17

p = 0.50

Step-by-step explanation:

For a binomial experiment we have the following variables:

1) Number of trials or Sample size:

The number of trials is represented by n. In the given scenario 23 adults were asked about their favorite pizza, so the number of trials in this will be 23. Thus

n = 23

2) Number of success

The number of success is denoted by x. Number of success indicates that how many trials resulted in the favorable outcome. In the given case, choosing a sausage pizza is a success. Since 17 adults chose the sausage, so

x = 17

3) Probability of success on single trial

This is represented by p. It is stated that 50% adults say sausage is their favorite pizza. So,

p = 50% = 0.50

4 0

3 years ago

Someone give me the answer plssssss

salantis [7]

Answer:

????

Step-by-step explanation:

????

3 0

3 years ago

What is the sum of the first 6 terms of the series -1+4-16+...

Romashka [77]

Answer:

819

Step-by-step explanation:

Givens

a = -1
r = - 4
n = 6

Formula

Sum = a(1 - r^n) / ( 1 - r)

Sum = -1(1 - (-4)^6 / (1 - -4)

Sum = -1 (1 - 4096) / 5

Sum = -1 (- 4095 ) / 5

Sum = 819

4 0

3 years ago

Suppose you have $60 to buy shrimp and chicken wings for a party. Shrimp costs $10/Ib and wings cost $6/Ib.

noname [10]

Answer:

you can buy 5lb of wings for $30 and 3lb of shrimp for $30 too

Step-by-step explanation:I forgot what a linear equation was sorry :/

5 0

3 years ago

Read 2 more answers