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3 years ago

I WILL MARK THE BRAINIEST PLZ help me with right now for brainliest+ 20 points

Mathematics

1 answer:

RUDIKE [14]3 years ago

6 0

Answers:

1: C. Personification

2: E. Idiom

3: A. Metaphor

4: F. Symbol

5: D. Hyperbole

6: B. Simile

7: I. Personification

8: G. Metaphor

9: J. Hyperbole

10: K. Idiom

11: L. Symbol

12: H. Simile

13: Simile and a Hyperbole

14: Metaphor and a Personification

Step-by-step explanation:

Please understand that some of these might be wrong. If you know the correct answer, comment below.

Metaphor: The dancer was a graceful eagle taking flight; similar to a simile, but doesn't use "like" or "as"

Simile: He runs like a horse; similar to a metaphor, uses "like" or "as"

Personification: The car complained as the key was roughly turned in its ignition; giving a human characteristic to an object or animal.

Hyperbole: I love you to the moon and back; an overexaggerated sentence.

Idiom: A penny for you thoughts (asking someone what they are thinking); a sentence that has a "double meaning".

Symbol: Life is a roller coaster; a sentence that compares an idea to a symbol.

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Answer:

Step-by-step explanation:

Red = 6

Blue = 3

Green = 5

Total = 14

First marble = 6/14 = 3/7 You now have 5 reds and 13 total

Second Marble = 5 * 13 which brings you down to 4 red and 12 total.

Third Marble = 4/12 = 1/3

Result

P(3 Red) = 3/7 * 5/13 * 1/3 cancel the 3s

P(3 Red) = 1/7 * 5/13

P(3 Red) = 5/91

P(3 Red) = 0.0549 . Rounding to the nearest 1/100 depends on what you have been told about rounding. I would say the answer is 0.05 but your teacher may say something different.

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3 years ago

A number is picked randomly in the range [0,7]. What is the probability that the number picked is between 3 and 5? What is the p

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Answer:

(1) 0.125

(2) 0.125

Step-by-step explanation:

The total number of possible outcomes is:

N = 8

(1)

Compute the probability that the number picked is between 3 and 5 as follows:

Number of Favorable outcomes = 1

The probability is:

P (Number picked is between 3 and 5) = 1/8 = 0.125

Thus, the probability that the number picked is between 3 and 5 is 0.125.

(2)

The number usually picked appears to be in in the range [3,5], i.e. the numbers could be, {3, 4 or 5}.

Number of Favorable outcomes = n (Number < 4 and within [3, 5]) = 1

P (less than 4 ∩ within [3, 5]) = 1/8 = 0.125

Thus, the probability that the number picked is less than 4 knowing that the number usually picked appears to be in in the range [3,5] is 0.125.

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3 years ago

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Read 2 more answers

From Euler’s relation eiθ = cosθ + isinθ,

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Answer:

(a) The graphic representation is in the attached figure.

(b) $\cos(\theta) = \frac{e^{i\theta} + e^{-i\theta}}{2}$ .

(c) $\sin(\theta) = \frac{e^{i\theta} - e^{-i\theta}}{2i}$ .

Step-by-step explanation:

(a) Given a complex number $e^{i\theta}$ we know, from Euler's formula that $e^{i\theta} = \cos(\theta)+i\sin(\theta)$ . So, it is not difficult to notice that

$|e^{i\theta}|^2 = \cos^2(\theta)+\sin^2(\theta) =1$

so it is on the unit circumference. Also, notice that the Cartesian representation of the complex number is $(\cos(\theta), \sin(\theta))$ .

Now,

$e^{-i\theta} = \cos(\theta)+i\sin(-\theta) = \cos(\theta)-i\sin(\theta)$ .

Notice that $e^{-i\theta}$ has the same modulus that $e^{i\theta}$ , so it is on the unit circumference. Beside, its Cartesian representation is $(\cos(\theta), -\sin(\theta))$ .

So, the points $(\cos(\theta), \sin(\theta))$ and $(\cos(\theta), -\sin(\theta))$ are symmetric with respect to the X-axis. All this can be checked in the attached figure.

(b) Notice that

$e^{i\theta} + e^{-i\theta} = \cos(\theta)+i\sin(\theta) + \cos(\theta)-i\sin(\theta) = 2\cos(\theta)$

Then,

$\cos(\theta) = \frac{e^{i\theta} + e^{-i\theta}}{2}$ .

(c) Notice that

$e^{i\theta} - e^{-i\theta} = \cos(\theta)+i\sin(\theta) - \cos(\theta)+i\sin(\theta) = 2i\sin(\theta)$

Then,

$\sin(\theta) = \frac{e^{i\theta} - e^{-i\theta}}{2i}$ .

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